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Nalezeno: 318 fotografií (7 stránek)
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Stránky:1234567 • další

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Three basic forms of cell death: apoptosis (chromosome condensation, nuclear fragmentation), autophagy (autophagosome formation), necrosis (membrane rupture, organelles swelling).
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Schemes set of common electrocardiogram (ECG) abnormalities, including partial blocks and flutter
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Pericardial membranes and layers of the heart wall
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Myasthenia gravis. An autoimmune disease of the neuromuscular junction when antibodies block or destroy nicotinic acetylcholine receptors (AChR) at the junction between the nerve and muscle.
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Islets of Langerhans. Pancreatic islets contain endocrine cells: alpha, beta, delta, PP or gamma, epsilon cells. Pancreas histology (tissue) with islets and acinar cells.
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Biofilm formation. Process of biofilm formation with mechanics of its development and growth. Stages include first contact, strong adhesion, formation of monolayer, colonies and dispertion.
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Structure of two lipids. Stearic acid (fatty acid) and phosphatidylcholine (phospholipid) are composed of chemical groups that form polar heads (hydrophilic) and nonpolar tails
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Neuronal charged membranes. Voltage-gated ion channels are closed at the resting potential and open in response to changes in membrane voltage.
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Composition of blood: plasma, buffy coat, hematocrit. orrelation between red blood cells (erythrocytes), white blood cells (leukocytes), proteins, hormones defines normal blood, anemia, polycythemia
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Salivary gland. Glands that make saliva, their schematic location: under and behind the jaw (parotid, sublingual and submandibular).
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IgA immunity. Peyers patch. Lymphoid follicles of the small intestine generate IgA immune response with B cells, T cells, dendritic cells, and plasma cells secreting IgA.
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Cell membrane structure, that is represented by lipid bilayer and its phosphatidylcholine (a phospholipid), that is composed of polar hydrophilic head and nonpolar hydrophobic tail.
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Synapse. Visualization of synapse structure while passing an electrical or chemical signal (nervous impulses) to another neuron, including mitochondria, synapse vesicle, and ion channels.
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Demyelination process. Protective covering (myelin sheath) that surrounds nerve fibers is damaged due to demyelinating diseases like multiple sclerosis, optic neuritis, transverse myelitis. Due to myelin sheath damage, nerve impulses slow or stop.
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Diabetes type I and II. Schematic visualization of two diabetes types: type one (pancreas does not produce insulin) and type two (cells are unable to use it).
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Chromosome abnormalities. Visualization of common chromosomal mutation or disorder. Numerical or structural abnormalities where is a missing, extra, or irregular portion of chromosomal DNA.
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Anatomical scheme of human heart, blood flow directions
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Common alveoli damages. Differences between changes caused by lung diseases: chronic obstructive respiratory disease, asthma, acute respiratory distress syndrome and idiopathic pulmonary fibrosis.
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Retina structure. Retina cell organization including rods and cones, horizontal cells, retinal pigment epithelium, Muller and ganglion cell. Retina histology (human eye).
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Spinal injection. Spinal Injections can be performed to diagnose the source of pain or as a treatment to relieve pain. Syringe injection into spinal disk.
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Types of cell membrane transportation proteins. Visualization of uniporter (one molecule, one direction), symporter (two molecules, same directions), antiporter (two molecules, different directions).
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Dental biofilm. Biofilm covers teeth and causes enamel desolvation, inflammation of a gum and pulp. Biofilm on a tooth damages dental tissues, provokes abscess formation.
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Detailed scheme of B cell activation. Mature B cell encounters antigen that binds to its B cell receptor and it becomes activated
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Metronidazole. An antibiotic and antiprotozoal medication used either alone or with other antibiotics to treat pelvic inflammatory disease, endocarditis, and bacterial vaginosis.
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Osmosis effect on red blood cells. Depending on solution concentration (hyperosmotic, isosmotic, or hypoosmotic), erythrocytes can shrivel or swell and burst.
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Adipose tissue expansion. Mechanisms of adipose tissue expansion: hypertrophic and hyperplasic adipose. Hypertrophic and hyperplasic fat cells in fat tissue.
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Chemical structure of prednisone. Prednisone is a corticosteroid medicine used to decrease inflammation and keep \immune system in check, if it is overactive.
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Cytokine storm. Hypercytokinemia during which the immune system causes a release of cytokines with help of macrophages, t helper cells, neutrophils.
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Enterocyte. Intestinal absorptive cells, are simple columnar epithelial cells which line the inner surface of the small and large intestines.
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Chemical structure of folic acid. Also called pteroylglutamic acid, folate, folacin, water-soluble vitamin of the B complex that is essential in animals and plants for the synthesis of nucleic acids
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Cell death types: general differences between cell death processes, including common necrosis, autophagy, apoptosis and specific entosis, paraptosis and ferroptosis.
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General concept of DNA structure. DNA nucleotids as bases: adenine, cytosine, guanine and thymine.
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Types of muscle tissue structure: cardiac, smooth, sceletal. smooth muscle cells, cardiac muscle cells, multinucleate skeletal cells.
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T and B Cell binding to elicit a response to a T cell-dependent antigen, the B and T cells must come close together. B cell must receive two signals from the native antigen and the T cells cytokines
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Main stages of biofilm formation. Microorganisms (bacteria) attach to surfaces and form a biofilm. Four stages of formation: adhesion, formation, maturation, release.
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Enamel structure. Enamel structure of human tooth on secretory and maturation stages, including ameloblasts, stellate reticulum, enamel space.
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Tooth anatomy. Detailed scheme of teeth structures, including enamel, dentin, blood vessels and nerves
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EpsteinBarr virus (EBV, Human gammaherpesvirus 4) known as the cause of infectious mononucleosis. Virion visualization includes genome, capsid, portal vertex and envelope protein.
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Mast cell: synthesis. Due to antigen activation, mast cells produce prostaglandins, leukotrienes, histamine, and cytokines. Visualization of mast cell products during an allergic reaction.
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Sickle cell anemia. Sickle cell anemia (disease) occurs due to sticky sickle cells damaged long polymerized sickle haemoglobin that distorts erythrocyte round shape.
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Neuromuscular junction. A synaptic connection between the terminal end of a motor nerve and a muscle. Presynaptic (nerve terminal), postsynaptic part, synaptic cleft.
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Normal hemical omposition of urine and its abnormal types. Common types of abnormal urine include proteinuria, oliguria, hematuria and glycosuria.
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Cells of epithelial tissue: squamous (flattened and thin), cuboidal (boxy, as wide as it is tall), columnar (rectangular, taller than it is wide), pseudostratified.
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Intraventricular conduction system. Intraventricular (electrical) conduction system of the heart transmits signals generated by the sinoatrial node to cause contraction of muscle: atrioventricular node, Purkinje fibers, bundle of His
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Biofilm: therapeutic strategies. Biofilm treatment: physical disruption (enzymes), quorum sensing damage (D-ribose), metabolic cooperation damage, magnetic and functionalized nanoparticles, bacteriophages.
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Alveoli in cross-section showing basic structural entities: cappilaries, macrophage, alveolus and cell producting surfactant.
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Variations of endocytosis: phagocytosis, pinocytosis, receptor-mediated endocytosis. Various types of endocytosis, uptake of matter through plasma membrane invagination and vacuole, vesicle formation
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Chemical structure of lisinopril. It is a medication of the angiotensin-converting enzyme (ACE) inhibitor and is used to treat high blood pressure, heart failure, and after heart attacks.
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Cooperation between B cell and phagocyte during immune responce caused by antigens (bacteria or virus). B cell produces antibodies that weaken antigens and phagocyte eliminates them.
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Neuron and myelin sheath structure. Visualization of neuron cell and myelin sheath structure including neuroglia cell and cross-section of the myelin sheath.
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Nalezeno: 318 fotografií (7 stránek)
Stránky:1234567 • další
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