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How mRNA Vaccines Work. COVID-19. pandemics caused development of the mRNA technology for new way to deliver a messenger RNA into a cell to produce antigens and antibodies for different disease.

#167431544 - How mRNA Vaccines Work. COVID-19. pandemics caused development..

Leaky gut Syndrome. difference between Healthy cells, and inflamed intestinal cells. Comparison normal tissue of the gastrointestinal tract, and leaky gut.

#155334790 - Leaky gut Syndrome. difference between Healthy cells, and inflamed..

Sympathetic And Parasympathetic Nervous System. Difference. diagram with connected inner organs and brain and spinal cord. Educational guide of human anatomy. vector illustration for medical and science use

#132298746 - Sympathetic And Parasympathetic Nervous System. Difference. diagram..

Stress response. Activation of the stress system. Stress is a main cause of high levels of adrenaline and cortisol secretion. hormones that produced by the medulla, and cortex of adrenal.

#128230631 - Stress response. Activation of the stress system. Stress is a..

Immune system. Human anatomy. Human silhouette with internal organs.

#128230615 - Immune system. Human anatomy. Human silhouette with internal..

Platelet-rich plasma. Autologous conditioned plasma, is a concentrate of platelet-rich plasma derived from whole blood, centrifuged to remove red blood cells. blood test tube, centrifuge, syringe, and test tube with layers of blood components

#125934936 - Platelet-rich plasma. Autologous conditioned plasma, is a concentrate..

Levels of protein structure from amino acids to Complex of protein molecule. Protein is a polymer (polypeptide) that formed from sequences of amino acids. Levels of protein structure: Primary, Secondary, Tertiary, and Quaternary

#125585686 - Levels of protein structure from amino acids to Complex of protein..

Epidermis layers. epithelial cells. Structure of the humans skin. Vector diagram for your design, educational, science and medical use

#125585678 - Epidermis layers. epithelial cells. Structure of the humans skin...

wound healing process. Hemostasis, Inflammatory, Proliferative, Maturation and remodeling. Tissue injury and inflammation. Immune system. vector diagram for medical, educational and scientific use.

#124415921 - wound healing process. Hemostasis, Inflammatory, Proliferative,..

leaky gut. The opening of intercellular tight junctions (increased intestinal permeability). cells on gut lining held tightly together. in intestine with celiac disease and gluten sensitivity these tight junctions come apart. autoimmune disorder. Vector diagram

#122706134 - leaky gut. The opening of intercellular tight junctions (increased..

Gut flora. Human small intestine, colon and magnifying glass. Close-up of good bacteria: Lactobacillus, Bifidobacterium longum, Escherichia coli. Vector diagram for educational, medical, biological, and scientific use 矢量图像

#122706107 - Gut flora. Human small intestine, colon and magnifying glass...

Breast cancer. Cross-section of the mammary gland with tumor. Human anatomy. Vector diagram for medical use

#122706104 - Breast cancer. Cross-section of the mammary gland with tumor...

Types and forms of energy. Kinetic, potential, mechanical, chemical, electric, magnetic, light, Gravitational, nuclear, thermal energy and sound wave. Vector illustration for educational and science use

#122706098 - Types and forms of energy. Kinetic, potential, mechanical, chemical,..

Cervical Cancer. Carcinoma is Malignant neoplasm arising from cells in the cervix uteri. Close-up of Human papillomavirus infection (HPV). cut-away view of the uterus and cervix that viewed from below. Vector illustration for medical, biological, educational and science use 矢量图像

#122706096 - Cervical Cancer. Carcinoma is Malignant neoplasm arising from..

Inguinal Hernia. bowel exit through the wall of the abdomen cavity. Vector diagram for educational, medical, biological, and scientific use

#122525134 - Inguinal Hernia. bowel exit through the wall of the abdomen cavity...

Estrogen and testosterone hormone levels. chart. vector diagram for your design, biological, medical, educational and scientific use.

#119628140 - Estrogen and testosterone hormone levels. chart. vector diagram..

limbic system. Cross section of the human brain. Anatomical components of limbic system: Mammillary body, basal ganglia, pituitary gland, amygdala, hippocampus, thalamus, cingulate gyrus, corpus callosum, hypothalamus). Vector illustration for medical, biological, science and educational use

#119628124 - limbic system. Cross section of the human brain. Anatomical components..

spectrum. visible light, infrared, and ultraviolet. electromagnetic radiation. sunlight color. different types of electromagnetic radiation by their wavelengths. In order of increasing frequency and decreasing wavelength 矢量图像

#119628066 - spectrum. visible light, infrared, and ultraviolet. electromagnetic..

Aerobic respiration. Cellular respiration. Pyruvate enter the mitochondria in order to be oxidized by the Krebs cycle. products of this process are carbon dioxide, water, and energy. Vector diagram for educational, biological, science and medical use

#119628062 - Aerobic respiration. Cellular respiration. Pyruvate enter the..

Cancer and cytotoxic T-cells. T lymphocyte kills cancer cells. T-cell (immune responses), release the perforin and granzymes, and attack cancerous cells. Through the action of perforin, granzymes enter the cytoplasm of the target cell, and lead to apoptosis (cell death).

#119628023 - Cancer and cytotoxic T-cells. T lymphocyte kills cancer cells...

Ligaments of the knee. Anterior and Posterior cruciate ligaments, Patellar and Quadriceps, tendons, Medial and Lateral collateral ligaments. joint anatomy. Vector illustration for biological, medical, science and educational use 矢量图像

#119627986 - Ligaments of the knee. Anterior and Posterior cruciate ligaments,..

limbic system. Cross section of the human brain. Anatomical components of limbic system: Mammillary body, pituitary gland, amygdala, hippocampus, thalamus, cingulate gyrus, corpus callosum, hypothalamus). Vector illustration for medical, biological, and educational use 矢量图像

#119627983 - limbic system. Cross section of the human brain. Anatomical components..

Spinal disc herniation. Back pain. Normal disc and spinal disc herniation in cervical vertebrae. Vector illustration for your design, educational, biology, scientific, and medical use.

#119627981 - Spinal disc herniation. Back pain. Normal disc and spinal disc..

Spinal disc herniation. Back pain. Human silhouette with highlighted (red color) lumbar spine and Pelvis. Prolapse of intervertebral disc close-up. Vector illustration for your design, educational, biology, scientific, and medical use. 矢量图像

#119627976 - Spinal disc herniation. Back pain. Human silhouette with highlighted..

Adaptive immune system from Antigen presentation to activation of other immune cells. specific immune. T-helper and T-killer cells. Memory and Effector cells. Viruse, Lymphocyte, antibody and antigen. Vector diagram for educational, biological, and science use

#119627956 - Adaptive immune system from Antigen presentation to activation..

types of neurons: sensory and motor neurons, and interneuron. Humans nervous system. 矢量图像

#112287016 - types of neurons: sensory and motor neurons, and interneuron...

Structure of a Nephron. urine formation (filtration, reabsorption, secretion, excretion). liquid enters to the glomerulus (in Browman's capsule) goes down by the loop of henle to collecting duct (in the kidneys). Vector diagram for educational, medical, biological and science use.

#111129143 - Structure of a Nephron. urine formation (filtration, reabsorption,..

pituitary hormone functions. The two lobes, anterior and posterior, function as independent glands. Vector diagram for educational, medical, biological and science use

#110291891 - pituitary hormone functions. The two lobes, anterior and posterior,..

ruminant digestive system. cross-section of the ruminant stomach: rumen (primary site of microbial fermentation), reticulum, omasum, and abomasum (true stomach). Vector diagram for educational, medical, vet, biological and science use

#108877040 - ruminant digestive system. cross-section of the ruminant stomach:..

leaky gut. cells on gut lining held tightly together. in intestine with celiac disease and gluten sensitivity these tight junctions come apart. autoimmune disorder. Vector diagram for educational, medical, biological and science use

#108047107 - leaky gut. cells on gut lining held tightly together. in intestine..

fight-or-flight response is a physiological reaction that occurs in response to threat to life. stress response system. Adrenaline and Norepinephrine. female silhouette with highlighted internal organs. Vector diagram for your design, educational, medical, biological and science use 矢量图像

#107363207 - fight-or-flight response is a physiological reaction that occurs..

Cell membrane (Lipid bilayer), Micelle, Liposome. Phospholipids aqueous solution structures. A detailed diagram models of membrane Structure. Vector illustration for biology, scientific, and medical use.

#106996563 - Cell membrane (Lipid bilayer), Micelle, Liposome. Phospholipids..

Epididymitis is inflammation of the epididymis of the testicle. Illustration of an adult human testicles. Vector diagram for science and medical use.

#106271364 - Epididymitis is inflammation of the epididymis of the testicle...

Retinopathy is damage to the retina of the eyes, which cause vision impairment. Anatomy of the human eye. Vertical section of the eye and eyelids. Schematic diagram. detailed illustration.

#106051319 - Retinopathy is damage to the retina of the eyes, which cause..

Swimmer's ear. Otitis externa is inflammation of the ear canal. Human anatomy. Vector illustration for medical use

#104793477 - Swimmers ear. Otitis externa is inflammation of the ear canal...

Collapsed lung. abnormal collection of air (pneumothorax) or fluid (pleural effusion) or pus (empyema) in the pleural space between the lung and the chest wall. 矢量图像

#104536365 - Collapsed lung. abnormal collection of air (pneumothorax) or..

Human Stomach with endoscope. Gastroscopy, Esophagoscopy or duodenoscopy is a diagnostic procedure. human anatomy. vector diagram for medical use. scheme for textbooks. 矢量图像

#103954818 - Human Stomach with endoscope. Gastroscopy, Esophagoscopy or duodenoscopy..

blood of healthy human and blood vessel with anemia. Anemia is a decrease in the total amount of red blood cells or hemoglobin in the blood. Vector illustration. 矢量图像

#103865198 - blood of healthy human and blood vessel with anemia. Anemia is..

Dopamine. two neurons (dopamine-producing and dopamine-receiving nerve cells), receptors, and synaptic cleft with dopamine. 矢量图像

#102774024 - Dopamine. two neurons (dopamine-producing and dopamine-receiving..

Dopamine hypothesis of schizophrenia. dopamine pathway dysfunction. Humans brain with dopamine pathways.

#102654165 - Dopamine hypothesis of schizophrenia. dopamine pathway dysfunction...

Collagen induction therapy (microneedling) is a surgical for remove wrinkles, scars, stretch, marks, pigmentation. skin needling procedure, repeatedly puncturing the skin with tiny, sterile needles (microneedling the skin).

#102565769 - Collagen induction therapy (microneedling) is a surgical for..

Ear anatomy. Cross-section of the right external, middle, and internal ear

#102417022 - Ear anatomy. Cross-section of the right external, middle, and..

Vocal folds. The Human Voice. The vocal cords open to let air pass through the larynx, into the trachea. The vocal folds are open when we breath in and closed when we want to speak. open and closed vocal cords. voice reeds 矢量图像

#102315311 - Vocal folds. The Human Voice. The vocal cords open to let air..

Laryngitis is inflammation of the voice box. normal and Inflamed larynx. Cross section of the voice box. Vocal cords, thyroid cartilage and trachea. Human anatomy. Vector illustration for medical and educational use.

#102249695 - Laryngitis is inflammation of the voice box. normal and Inflamed..

skin burn. four degrees of burns. type of injury to skin. step of burn 矢量图像

#101874187 - skin burn. four degrees of burns. type of injury to skin. step..

Vasculitis is damange of blood vessels by inflammation. Cross section of the human skin with vasculitis, and part of skin with healthy blood vesselss

#101684284 - Vasculitis is damange of blood vessels by inflammation. Cross..

Peptic ulcer disease. Gastric and duodenal ulcer. Stress ulcer is a mucosal defect. This ulcers can be located anywhere within the stomach and proximal duodenum. Human anatomy. Vector illustration for medical use

#100275440 - Peptic ulcer disease. Gastric and duodenal ulcer. Stress ulcer..

Human's Eye with hordeolum and bacteria that cause it. Staphylococcus aureus

#97847168 - Humans Eye with hordeolum and bacteria that cause it. Staphylococcus..

A telomere is a repeating sequence of double-stranded DNA located at the ends of chromosomes. Each time a cell divides, the telomeres become shorter. Cell Structure. The DNA molecule is a double helix. A gene is a length of DNA that codes for a specific protein. Genome Study. Cell, nucleus with chromosomes, telomeres, DNA, and gene

#97574722 - A telomere is a repeating sequence of double-stranded DNA located..

DNA Replication, Protein synthesis, Transcription and translation. Biological functions of DNA. Genes and genomes. Genetic code 矢量图像

#97546060 - DNA Replication, Protein synthesis, Transcription and translation...

Tennis elbow or lateral epicondylitis. Vector illustration for medical use 矢量图像

#97415221 - Tennis elbow or lateral epicondylitis. Vector illustration for..

Structure of Low-density lipoprotein (LDL): apolipoprotein (apo B-100), cholesterol ester, triglyceride, unesterified cholesterol, phospholipids. bad cholesterol

#97351152 - Structure of Low-density lipoprotein (LDL): apolipoprotein (apo..

Animal cell on the dark background Illustration easy editable for Your color

#96713650 - Animal cell on the dark background Illustration easy editable..

Cross section of the skin with mites. Close-up demodex through magnifying glass 矢量图像

#96643139 - Cross section of the skin with mites. Close-up demodex through..

Cervical cancer. vector illustration of the uterus and cervix. Close-up of the Human papillomavirus infection (HPV) that causes diseases.

#96534314 - Cervical cancer. vector illustration of the uterus and cervix...

Animal cell with nucleus, cytoplasm, DNA, enzime, protein kinase, receptor, and hormone, how non-steroid hormones work. Non-steroid hormones interact with receptors on the cell membrane and activate secondary messenger systems that carry out their effects within the cell. Human endocrine system. 矢量图像

#95210326 - Animal cell with nucleus, cytoplasm, DNA, enzime, protein kinase,..

Pleural effusion. Diagram showing human silhouette with highlighted lungs, fluid buildup in the pleura, Chest Tube, and Drainage container. Treatment of tension hydrothorax (or hemothorax) insertion of chest tubes for invasive procedure to remove fluid 矢量图像

#95154216 - Pleural effusion. Diagram showing human silhouette with highlighted..

skin cells. Melanin, and melanocyte. Healthy Human Skin. Vector illustration for your design and medical use

#95030310 - skin cells. Melanin, and melanocyte. Healthy Human Skin. Vector..

How steroid hormones work. interaction of the hormone with the intracellular receptor. Human endocrine signaling system

#94877768 - How steroid hormones work. interaction of the hormone with the..

Glucose in the blood vessel. normal level, hyperglycemia (high blood sugar), hypoglycemia (low blood sugar). vector diagram

#94569491 - Glucose in the blood vessel. normal level, hyperglycemia (high..

Shoulder (glenohumeral) joint. Human anatomy. Vector diagram. labeled

#94403295 - Shoulder (glenohumeral) joint. Human anatomy. Vector diagram...

Antibody molecule, antigen and red blood cells in blood flow, under microscope red background vector. Illustration easy editable for your color.

#94276537 - Antibody molecule, antigen and red blood cells in blood flow,..

Oral candidiasis. oral thrush that occurs in the mouth. mycosis (yeast infection) of fungal Candida albicans on the mucous membranes of the mouth.

#94005951 - Oral candidiasis. oral thrush that occurs in the mouth. mycosis..

Celiac disease. Small intestinal with normal villi, and villous atrophy. Diagram showing changes in intestinal. Celiac disease manifested by blunting of villi.

#93463528 - Celiac disease. Small intestinal with normal villi, and villous..

Plasmid and Recombinant DNA. Bacterial DNA in which a foreign DNA fragment is inserted into a plasmid vector. Genetic Engineering. antibiotic resistance

#93452962 - Plasmid and Recombinant DNA. Bacterial DNA in which a foreign..

Eye of human. Blepharitis is a inflammation, and reddening of the eyelid. Human anatomy. Vector diagram for educational, and medical use.

#92465885 - Eye of human. Blepharitis is a inflammation, and reddening of..

Pulmonary hypertension is an increased blood pressure within the arteries of the lungs. Cross section of the Normal, and narrowing of blood vessels. Humans heart with hypertrophy of Right ventricle and pulmonic regurgitation

#92261705 - Pulmonary hypertension is an increased blood pressure within..

Punnett square genetics biological inheritance, for example of pea plants. 矢量图像

#91584232 - Punnett square genetics biological inheritance, for example of..

A membrane transporters: antiporter, symporter, gated ion channel, aquaporin and simple diffusion

#91503421 - A membrane transporters: antiporter, symporter, gated ion channel,..

Laser tattoo removal. How Does Laser Tattoo Removal Work. Dark ink absorb light and break down. White blood cells to consume the destroyed ink particles and carry them to the liver.

#91015610 - Laser tattoo removal. How Does Laser Tattoo Removal Work. Dark..

make a tattoo. How does it work?. tattooing process Close Up

#91000867 - make a tattoo. How does it work?. tattooing process Close Up

Layers Of Human Skin with hair follicle, sweat and sebaceous glands. Epidermis, dermis, hypodermis and muscle tissue. Vector illustration for your design and medical use

#90848663 - Layers Of Human Skin with hair follicle, sweat and sebaceous..

Spinal disease. Lumbar section through a magnifying glass. human spinal column. Illustration highlighting lumbar spine. Vector diagram for medical use 矢量图像

#90668742 - Spinal disease. Lumbar section through a magnifying glass. human..

Multiple myeloma, cancer of the bone marrow concept illustration.

#90653592 - Multiple myeloma, cancer of the bone marrow concept illustration.

Angioplasty. Stent Implantation. Deflated balloon catheter inserted into a coronary artery narrowed by plaque. the balloon is inflated, compressing the plaque against the artery wall. Stents - tubes made of metal mesh. The stent remains in the artery after the procedure to help keep the artery open.

#90514051 - Angioplasty. Stent Implantation. Deflated balloon catheter inserted..

Vaginitis is an inflammation of the vagina. vaginal infection and causative agents of vulvovaginitis: gardnerella (bacterium), candida (fungal), trichomonas (protozoan parasite). Vaginal discharge.

#90420767 - Vaginitis is an inflammation of the vagina. vaginal infection..

Partial knee replacement. Uni compartmental knee arthroplasty and uni knee implant concept in isolated background

#90270345 - Partial knee replacement. Uni compartmental knee arthroplasty..

Cervical cancer staging. Carcinoma of Cervix. Malignant neoplasm arising from cells in the cervix uteri.

#89779598 - Cervical cancer staging. Carcinoma of Cervix. Malignant neoplasm..

$Typical bone fractures: Greenstick, Simple, Open, Comminuted. Vector scheme$

#89703812 - Typical bone fractures: Greenstick, Simple, Open, Comminuted...

Anatomy of the Lysosome: Hydrolytic enzymes, Membrane and transport proteins. This organelle use the enzymes to break down and digest food particles, engulfed viruses or bacteria in the cell. Vector diagram for medical use

#89686802 - Anatomy of the Lysosome: Hydrolytic enzymes, Membrane and transport..

Cellular respiration. vector diagram presentation of the processes of aerobic cellular respiration. Connecting Cellular Respiration and Photosynthesis 矢量图像

#89549872 - Cellular respiration. vector diagram presentation of the processes..

Signal at a receiver of the body illustration. 矢量图像

#89479509 - Signal at a receiver of the body illustration.

Synaptic transmission. Structure of a typical chemical synapse. Neurotransmitter release mechanisms. Neurotransmitters are packaged into synaptic vesicles transmit signals from a neuron to a target cell.

#89478665 - Synaptic transmission. Structure of a typical chemical synapse...

Squamous cell carcinoma skin cancer illustration.

#89082351 - Squamous cell carcinoma skin cancer illustration.

Hair growth. anagen is the growth phase; catagen is the regressing phase; and telogen, the resting phase. Vector diagram

#89044670 - Hair growth. anagen is the growth phase; catagen is the regressing..

anatomy of the hair follicle. distribution of differentiated and immature melanocytes is shown.

#88931985 - anatomy of the hair follicle. distribution of differentiated..

Red blood cell with hemoglobin illustration.

#88459000 - Red blood cell with hemoglobin illustration.

Structure of a Nephron. 矢量图像

#88395166 - Structure of a Nephron.

Substance dissolved in another substance, design illustration. 矢量图像

#88266782 - Substance dissolved in another substance, design illustration.

Laser tattoo removal. How Does Laser Tattoo Removal Work. Dark ink absorb light and break down. White blood cells to consume the destroyed ink particles and carry them to the liver.

#88182216 - Laser tattoo removal. How Does Laser Tattoo Removal Work. Dark..

tattoo process. The tattooing process causes damage to the epidermis and dermis. Every time the needle penetrates, it causes a wound that alerts the body immune system. Pigment gets soaked up by skin cells and stay suspended in the dermis in perpetuity.

#88116217 - tattoo process. The tattooing process causes damage to the epidermis..

Types of acne pimples. Healthy skin, Whiteheads and Blackheads, Papules and Pustules 矢量图像

#87973489 - Types of acne pimples. Healthy skin, Whiteheads and Blackheads,..

Skin care. Clogged and normal pores. Before and after using scrubs, cleansers and moisturizers 矢量图像

#87517761 - Skin care. Clogged and normal pores. Before and after using scrubs,..

Structure of the human skin. Layers and cells

#87279767 - Structure of the human skin. Layers and cells

Cervical cancer staging. Carcinoma of Cervix. Malignant neoplasm arising from cells in the cervix uteri. Vaginal bleeding.

#85951440 - Cervical cancer staging. Carcinoma of Cervix. Malignant neoplasm..

Multiple sclerosis or MS. autoimmune disease. the nerves of the brain and spinal cord are damaged by one's own immune system. 矢量图像

#85944642 - Multiple sclerosis or MS. autoimmune disease. the nerves of the..

Mechanisms for the transport of ions and molecules across cell membranes. Types of a channel in the cell membrane: simple diffusion, Aquaporin, Gated ion channel, Symporter and Antiporter

#85898434 - Mechanisms for the transport of ions and molecules across cell..

$Osteoporosis - is a disease of bones that leads to an increased risk of fracture. Healthy femur and bone with Osteoporosis$

#85620707 - Osteoporosis - is a disease of bones that leads to an increased..

Goblet cell. simple columnar epithelial cell for secrete mucus. They are found inside the trachea, bronchi, small and large intestine, and conjunctiva in the eyes. Structure cell.

#85440742 - Goblet cell. simple columnar epithelial cell for secrete mucus...

Foot wart. Many warts on the bottom of soles and toes.

#85278297 - Foot wart. Many warts on the bottom of soles and toes.

页数之 29

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关于123RF

关于

特征

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指导课程

服务

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Corporate+

123rf合作伙伴计划

123RF联盟计画

优惠代码

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Legal

执照

隐私声明

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