Not known Factual Statements About human anatomy and physiology definition
Not known Factual Statements About human anatomy and physiology definition
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arteriovenous anastomosis – quick vessel connecting an arteriole straight to a venule and bypassing the capillary beds.
diffusion – motion of a material from a region of larger concentration to one of decreased focus.
basilic vein – superficial vein from the arm that arises through the palmar venous arches, intersects With all the median cubital vein, parallels the ulnar vein, and proceeds in to the higher arm; together with the brachial vein, it results in the axillary vein.
cleavage furrow – contractile ring that sorts close to a cell through cytokinesis that pinches the mobile into two halves.
ciliary body – clean muscle framework on the inside floor in the iris that controls the shape with the lens throughout the zonule fibres.
Improvement is every one of the variations the body goes through in life. Enhancement involves the entire process of differentiation, through which unspecialized cells develop into specialized in structure and performance to execute specific tasks in the body.
anterior tibial artery – branches in the popliteal artery; supplies blood towards the anterior tibial location; results in being the dorsalis pedis artery.
brachial artery – continuation in the axillary artery in the brachium; supplies blood to Significantly click here with the brachial location; presents off a number of scaled-down branches that give blood towards the posterior area with the arm within the area on the elbow; bifurcates into the radial and ulnar arteries at the coronoid fossa.
dermal papilla – (plural = dermal papillae) extension of your papillary layer from the dermis that boosts surface area Get hold of between the epidermis and dermis.
Within the chest and abdomen, various inner membranes retain main organs like the lungs, heart, and kidneys individual from Other folks.
cranial nerve – one among twelve check here nerves linked to the Mind which can be answerable for sensory or motor features of The top and neck.
arachnoid trabeculae – filaments concerning the arachnoid and pia mater throughout the subarachnoid space.
A particular characteristic of humans as as opposed with other mammals is erect posture. The human body is usually to some extent like a strolling tower that moves on pillars, represented because of the legs. Tremendous positive aspects are actually gained from this erect posture, the chief amongst which has been the freeing in the arms for a terrific selection of employs.
absolute refractory interval – time through an action interval when A further motion opportunity can't be produced because the voltage-gated Na+ channel is inactivated.