stock illustrations

Obstructive Sleep Apnea. normal breathing, and anatomy of Snoring. Cross section of human's head. Blocked airway with Tongue.

cytokine storm or hypercytokinemia. COVID-19 complications. physiological reaction in which the innate immune system causes an uncontrolled and excessive release of pro-inflammatory signaling molecules (cytokines). Difference and comparison of healthy immune response and cytokine storm

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 illustration

Lymphatic system. Human body with lymphoid organs (Spleen, Thymus), Lymphatic vessel, lymph nodes, and Cisterna chyli. Vector illustration

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

Endocannabinoid System. CB1 and CB2 Receptors. Central regulatory system that affects of biological processes in human body. Silhouette of a man and woman with internal organs and receptor areas. Close-up of neurons, with Cannabinoids, and Neurotransmitters.

T-cell, close-up of a Chimeric antigen receptor, and CAR T cell. T-cell receptor for use in immunotherapy. Vector. chemotherapy.

mitosis. cell division stages from Interphase, Prophase, and Prometaphase to Metaphase, Anaphase, and Telophase. Process of multiplication. Vector illustration

Cells of the immune system. White blood cells or leukocytes: Eosinophil, Neutrophil, Basophil, Macrophage, Fibroblast, and Dendritic cell. Vector diagram

Protein structure levels: Primary, Secondary, Tertiary, and Quaternary. From Amino acid to Alpha helix, Beta sheet, peptide, and protein molecule. concept. Vector illustration.

ABCDE Rule for the early detection of Melanoma. signs and Symptoms of Skin Cancer. malignant tumor and moles. Vector illustration

Protein Digestion. Enzymes (proteases and peptidases) are digestion breaks the protein into smaller peptide chains and into single amino acids, which are absorbed into the blood.

Cardiomyopathy. Healthy heart and heart with enlarged and thickened muscle. cross section of human's heart

Alveolus Gas Exchange. Anatomy of Pulmonary alveolus. Oxygen And Carbon Dioxide, inhale and exhale

Liver diseases. Stages of liver damage from healthy liver to fatty, fibrosis, and cirrhosis. Close-up of histology

Virus and bacteria. Close-up. comparison and difference. Bacterial cell anatomy and virion structure. Vector illustration

triune brain hypothesis. theory about evolution of human's brain. limbic system. Reptilian complex (basal ganglia for instinctual behaviours), mammalian brain (septum, amygdalae, hypothalamus, hippocamp for feeling) and Neocortex (cognition, language, sensory perception, and spatial reasoning).

Structure Skeletal Muscle. myofibril with thin and thick filament. close up of a sarcomere. Muscles contract by sliding the myosin and actin filaments along each other. Biomedical Science. Mechanism of mechanical contraction

digestion (dissolution, absorption, fermentation). From food bolus or Chyme to Feces. Human digestive system: Esophagus, Stomach, Duodenum, Small and Large"r"nintestine, Rectum. Vector illustration for education

Circadian rhythm. Diagram of melatonin, and cortisol hormones level during day (24 hours). temperature schedule. human biological clock. Chart of awake and sleep.

Hyperthyroidism and Hypothyroidism comparisons. disorders of the endocrine system. Female with Signs and symptoms of different thyroid gland diseases

Cells of Adaptive immune system (immune response). B lymphocyte and T-cell. Types, and function of lymphocytes. Infographics. Vector illustration on white background.

Types of T-cell. Lymphoid cell. T lymphocytes: Naive, Regulatory, Memory, helper, and T-killer or Cytotoxic T cells. Vector illustration

Endocannabinoid system. pharmacological effects of cannabis. Neuron with CB1 receptor and immune cell with CB2 receptor. Structure of a typical chemical synapse. Synaptic cleft and Neurotransmitter. vector illustration

Vaginal flora. Good and bad bacteria that colonize vagina. Close-up of normal vaginal microbiome Bifidobacterium, Lactobacillus crispatus, and pathogen microorganisms: Neisseria gonorrhoeae, Gardnerella vaginalis. healthy uterus and Vaginitis or vulvovaginitis (inflammation of the vagina and vulva)

Collagen Hydrolysis and Denaturation. from Collagen molecule to Gelatin and peptides.

limbic system. Cross section of the human brain. Anatomical components of limbic system: Mammillary body, basal ganglia, pituitary gland, amygdala, hippocampus, thalamus, cingulate gyrus

pathogens. Types of infectious agents from prions and viruses, to bacteria, fungi and unicellular organisms. vector icons on white background.

white blood cell. mast cell or a mastocyte, labrocyte. mast cells are the cells responsible for causing allergic reactions or anaphylaxis, also aide in the healing of wounds and defense against invading pathogens.

Sympathetic And Parasympathetic Nervous System. Difference. diagram with connected inner organs, brain and spinal cord. vector illustration

Cancer and Neoplasm. comparison and difference between Malignant and Benign tumor. Benign tumor has a Capsule. Cells of Malignant tumor have Necrosis, Intravasation into the blood vessel, and Lymphatic Invasion.

Autophagy steps. Schematic diagram. Natural mechanism in the cell that removes unnecessary components. Vector illustration

estrogen and progesterone balance. progesterone dominance. lever and sex hormones. higher progesterone levels present in perimenopausal women

Airborne disease. Virus human-to-human transmission. contamination and ways of infection with viruses: airborne, droplet, and Aerosol form. poster about Virus pandemic transfer. infographic

wound healing. Stages of the post-trauma repairing process. Hemostasis, Inflammatory, Proliferative, and remodeling phase. Cross section of a layers of the human skin

Fat Cells from white adipose tissue. adipocytes. Vector diagram

tear of a meniscus is a rupturing of one or more of the fibrocartilage strips in the knee. Human Joint, and Traumatic force in sports or physical exertion. Torn meniscus.

Alveolus. gas exchange. Pulmonary alveolus. alveoli and capillaries in the lungs.

Uveitis is the inflammation of the uvea (pigmented layer between the inner retina, sclera and cornea). vascular structures of the eye. Healthy human eye, and eye inflammatory. comparison and difference

DNA, RNA, mRNA and Protein synthesis. Difference between Transcription and Translation. Biological functions of DNA. Genes and genomes. Genetic code.

Adrenal glands anatomy. Kidney and ureter, aorta and Inferior vena cava. Structure and cross section of suprarenal glands. endocrine system.

heart anatomy. Part of the human heart

Menstrual cycle. Menstruation, Follicle phase, Ovulation and Corpus luteum phase. endometrium and hormone

Osteoarthritis. Arthritis or pain within a joint. degenerative joint disease. Cartilage becomes worn. This results in inflammation, swelling, and pain in the joint.

Adipocytes, obesity, and inflammation. normal fat tissue, metabolism, and obese adipose tissue. pathology of obesity. anti- and pro-inflammatory adipokines. Vector illustration

Stages of knee Osteoarthritis (OA). Kellgren and Lawrence criteria for assessment stage of osteoarthritis. The classifications are based on osteophyte formation and joint space narrowing.

immune system cells. White blood cells or leukocytes Eosinophil, Neutrophil, Basophil, Macrophage, Fibroblast, and Dendritic cell. Vector diagram

Snoring anatomy. Normal breathing and Snoring. air open and obstructed airways. Cross section of human's head, nose, mouth, trachea, and tongue.

The process of cross-pollination using an animal of pollinator (bee). Anatomy of a flower. Flower Parts. Detailed Diagram with cross section. Reproduction in Plant. useful for study botany and science education

Insulin resistance and Type 2 diabetes. comparison and difference. high blood sugar. Chart with insulin and glucose levels. Cross section of blood vessel. Vector diagram

Estrogen and Phytoestrogen. comparison and difference. Receptors with molecules of Estrogen and Phytoestrogen. Chemical structural formula and model of molecule of hormones. nonsteroidal plant compounds. endocrine system

artery and vein. Circulatory system. Vector. Red indicates oxygenated blood, blue indicates deoxygenated

anemia. sickle cell and normal red blood cell

Human Knee joint anatomy. Vector

Meiosis is a cell division in sexually reproducing organisms for produce the gametes (sperm, eggs). meiotic phases: Prophase, Metaphase, Anaphase, and Telophase. Diagram of cell division Process.

hair ingrown or has grown back into the skin surface after shaving, cream or epilation (waxing), or hair removal. Different Types of Ingrown: From Pimple and Inflammation to trapped. structure of the skin with hair follicle. vector illustration.

t-cells and red blood cells on red background. vector Illustration easy editable for Your color. lymphocyte in immune response

DNA structure. Vector diagram for your design, educational, science and medical use

Bacteria. Difference of Gram-positive from Gram-negative bacterial.

Eye disease. comparison and difference between Healthy eye, Conjunctivitis, Pterygium, Glaucoma, Cataract, and Blepharitis