5 Simple Statements About human anatomy & physiology Explained

5 Simple Statements About human anatomy & physiology Explained

Blog Article

baroreceptor reflex – autonomic reflex through which the cardiac centres keep track of indicators in the baroreceptor stretch receptors and control heart functionality determined by blood stream.

aquaporin – protein-forming drinking water channels through the lipid bilayer on the mobile; makes it possible for drinking water to cross; activation during the gathering ducts is beneath the Charge of ADH.

coronary arteries – branches of the ascending aorta that provide blood to the heart; the remaining coronary artery feeds the still left side of your heart, the remaining atrium and ventricle, and also the interventricular septum; the ideal coronary artery feeds the best atrium, portions of equally ventricles, as well as heart conduction system.

angiotensinogen – inactive protein in the circulation made by the liver; precursor of angiotensin I; have to be modified via the enzymes renin and ACE for being activated.

cupula – specialised structure inside the base of a semicircular canal that bends the stereocilia of hair cells when The pinnacle rotates Through the relative movement in the enclosed fluid.

contralateral – word meaning “on the opposite side,” as in axons that cross the midline in a fibre tract.

chorionic villi – projections with the chorionic membrane that burrow to the endometrium and produce in the placenta.

counter present-day multiplier process – entails the descending and ascending loops of Henle directing forming urine in opposing directions to create a focus gradient when coupled with variable permeability and sodium pumping.

cerebral cortex – outermost layer of gray make a difference while in the brain, the place acutely aware notion can take spot.

cervical curve – posteriorly concave curvature in the cervical website vertebral column area; a secondary curve in the vertebral column.

acromion – flattened bony process that extends laterally from the scapular backbone to sort the bony suggestion with the shoulder.

brachiocephalic vein – one among a pair of veins that variety from a fusion with the external and interior jugular veins click here along with the subclavian vein; subclavian, external and inside jugulars, vertebral, and internal thoracic veins bring on it; drains the upper thoracic area and flows into the remarkable vena cava.

alkaloid – substance, ordinarily from the plant source, that is definitely chemically basic with respect to pH and may encourage bitter receptors.

carbonic anhydrase (CA) – enzyme that catalyses the reaction that triggers carbon dioxide and water to variety carbonic acid.