Rumored Buzz on human anatomy and physiology definition

Rumored Buzz on human anatomy and physiology definition

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cellulose – polysaccharide that comprises the plants’ cell wall; provides structural support for the cell.

acclimatisation – means of adjustment which the respiratory procedure can make resulting from Continual exposure to large altitudes.

corpus cavernosum – both of two columns of erectile tissue inside the penis that fill with blood during an erection.

angiotensinogen – inactive protein inside the circulation made by the liver; precursor of angiotensin I; must be modified from the enzymes renin and ACE to get activated.

cranial – describes a placement over or larger than A further Component of the body correct; also generally known as outstanding.

adrenal vein – drains the adrenal or suprarenal glands which are instantly outstanding for the kidneys; the correct adrenal vein enters the inferior vena cava right plus the still left adrenal vein enters the left renal vein.

arrector pili – sleek muscle that is certainly activated in response to external stimuli that pull on hair follicles and make the hair “rise up”.

ampulla – (with the uterine tube) Center part of the uterine tube by which fertilisation generally happens

angiotensin I – protein produced by the enzymatic motion of renin on angiotensinogen; inactive precursor of angiotensin II.

antigen presentation – binding of processed antigen to your protein-binding cleft of A serious histocompatibility intricate molecule.

class switching – means of B cells to alter the class of antibody they deliver without altering the specificity for antigen.

cardiac reflexes – series of autonomic reflexes that allow the cardiovascular centres get more info to manage heart operate based mostly upon sensory info from various visceral sensors.

axillary vein – big vein while in the axillary region; drains the upper limb and gets the subclavian vein.

azygos vein – originates inside the lumbar region and passes throughout the diaphragm to the thoracic cavity on the appropriate facet on the vertebral column; drains blood through the here intercostal veins, oesophageal veins, bronchial veins, together with other veins draining the mediastinal area; results in the outstanding vena cava.