5 Simple Techniques For human anatomy and physiology definition
5 Simple Techniques For human anatomy and physiology definition
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Catabolism is the procedure by which more substantial more sophisticated substances are broken down into smaller less complicated molecules. Catabolism releases Electricity. The sophisticated molecules present in foods are damaged down so the body can use their sections to assemble the buildings and substances wanted for all times.
diffusion – movement of the substance from a location of better focus to at least one of decrease concentration.
blood flow – motion of blood via a vessel, tissue, or organ that is usually expressed regarding quantity for each unit of your time.
cleavage – kind of mitotic cell division by which the mobile divides but the overall quantity remains unchanged; this method serves to create more compact and more compact cells.
aorta – most significant artery while in the body, originating in the remaining ventricle and descending towards the abdominal location where it bifurcates in to the frequent iliac arteries at the level with the fourth lumbar vertebra; arteries originating through the aorta distribute blood to practically all tissues on the body.
arachnoid granulation – out-pocket from the arachnoid membrane in to the dural sinuses that allows for reabsorption of CSF into your blood.
atrioventricular (AV) node – clump of myocardial cells located in the inferior portion of the ideal atrium throughout the atrioventricular septum; gets the impulse through the SA node, pauses, after which you can transmits it into specialised conducting cells inside the interventricular septum.
defensins – antimicrobial proteins unveiled from neutrophils and macrophages that create openings from the plasma membranes to destroy cells.
dermal papilla – (plural = dermal papillae) extension on the papillary layer from the dermis that improves surface area Call between the epidermis and dermis.
dihydroxyvitamin D – Lively method of vitamin D needed via the intestinal website epithelial cells to the absorption of calcium.
bone marrow – tissue found within bones; the internet site of all blood mobile differentiation and maturation of B lymphocytes.
anterior communicating artery – anastomosis of the proper check here and still left inner carotid arteries; supplies blood to the Mind.
axillary vein – important vein from the axillary region; drains the higher limb and results in being the subclavian vein.
articular cartilage – slender layer of cartilage masking an epiphysis; cuts down friction and acts for a shock absorber.