Top Guidelines Of human anatomy and physiology definition

angiotensin II – protein produced by the enzymatic action of ACE on inactive angiotensin I; actively leads to vasoconstriction and stimulates aldosterone launch by the adrenal cortex.

annular ligament – intrinsic ligament of your elbow articular capsule that surrounds and supports the head of your radius in the proximal radioulnar joint.

dense body – sarcoplasmic framework that attaches into the sarcolemma and shortens the muscle mass as skinny filaments slide past thick filaments.

distal convoluted tubules – portions from the nephron distal on the loop of Henle that acquire hyposmotic filtrate with the loop of Henle and empty into collecting ducts.

deltoid ligament – wide intrinsic ligament Situated within the medial facet of your ankle joint; supports the talus at the talocrural joint and resists extra eversion of the foot.

central sulcus – surface area landmark of your cerebral cortex that marks the boundary involving the frontal and parietal lobes.

depolarise – to reduce the voltage difference between The within and outside of a cell’s plasma membrane (the sarcolemma for a muscle mass fibre), generating the inside fewer adverse than at relaxation.

cytoskeleton – “skeleton” of a cell; fashioned by rod-like proteins website that assistance the cell’s form and provide, amid other capabilities, locomotive abilities.

atrial natriuretic peptide (ANP) – peptide hormone made by the partitions from the atria in reaction to large hypertension, blood volume, or blood sodium that lessens the reabsorption of sodium and drinking water while in the kidneys and promotes vasodilation.

bronchial artery – systemic department through the aorta that provides oxygenated blood towards the lungs Together with the pulmonary circuit.

anterior cardiac veins – vessels that parallel the small cardiac arteries and drain the anterior area of the proper ventricle; bypass the coronary sinus and drain right into the best atrium.

cardiac plexus – paired intricate community of nerve fibres near the base on the heart that get sympathetic and parasympathetic stimulations to manage HR.

Broca’s place – region of your frontal lobe associated with the motor instructions needed for speech production and Positioned only during the cerebral hemisphere answerable for check here language manufacturing, that is the left side in close to ninety five % of your populace.

coronoid fossa – depression to the anterior surface on the humerus above the trochlea; this Area receives the coronoid means of the ulna when the elbow is maximally flexed.

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