5 Simple Techniques For human anatomy and physiology definition
5 Simple Techniques For human anatomy and physiology definition
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circadian rhythm – inside perception in the daily cycle of light and darkish depending on retinal action linked to sunlight.
anterior tibial vein – forms from your dorsal venous arch; drains the realm near the tibialis anterior muscle mass and leads to the popliteal vein.
coronary arteries – branches in the ascending aorta that provide blood towards the heart; the left coronary artery feeds the still left aspect from the heart, the remaining atrium and ventricle, and the interventricular septum; the right coronary artery feeds the proper atrium, portions of the two ventricles, plus the heart conduction technique.
cleavage – form of mitotic cell division by which the cell divides but the total quantity continues to be unchanged; this process serves to make smaller sized and scaled-down cells.
articular tubercle – sleek ridge Positioned to the inferior skull, instantly anterior to the mandibular fossa.
crista galli – little upward projection Positioned within the midline in the floor on the anterior cranial fossa; fashioned through the ethmoid bone.
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aponeurosis – wide, tendon-like sheet of connective tissue that attaches a skeletal muscle to another skeletal muscle mass or into a bone.
Cells, for example, Have got a mobile membrane (also known as the plasma membrane) that retains the intracellular setting—the fluids and organelles—independent from your extracellular ecosystem. Blood vessels continue to keep blood inside of a shut circulatory procedure, and nerves and muscles are wrapped in connective tissue sheaths that individual them from encompassing structures.
antigen presentation – binding of processed antigen towards the protein-binding cleft of a major histocompatibility intricate molecule.
carpometacarpal joint – articulation concerning one of several carpal bones from the distal row in addition to a metacarpal bone of your hand.
cerebral peduncles – segments on the descending motor pathway which make up the white matter from the ventral midbrain.
bulbus here cordis – percentage of the primitive heart tube that could finally acquire into the correct ventricle.
bronchus – tube connected to the trachea that branches into quite a few subsidiaries and offers a passageway for air to enter and depart the lungs.