5 Simple Techniques For human anatomy and physiology definition
5 Simple Techniques For human anatomy and physiology definition
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angiotensin II – protein produced by the enzymatic motion of ACE on inactive angiotensin I; actively will cause vasoconstriction and stimulates aldosterone launch with the adrenal cortex.
atlantoaxial joint – series of 3 articulations among the atlas (C1) vertebra as well as the axis (C2) vertebra, consisting on the joints concerning the inferior articular processes of C1 as well as excellent articular processes of C2, and the articulation amongst the dens of C2 as well as the anterior arch of C1.
Adjustments in an organism’s internal setting, such as elevated body temperature, could cause the responses of perspiring along with the dilation of blood vessels from the pores and skin in order to lower body temperature, as proven because of the runners in Figure 1.seven.
choroid – very vascular tissue within the wall of the attention that supplies the outer retina with blood/
cervical vertebrae – seven vertebrae numbered as C1–C7 that are located within the neck region of your vertebral column.
Bowman’s capsule – cup-formed get more info sack lined by a straightforward squamous epithelium (parietal surface) and specialised cells named podocytes (visceral area) that take part in the filtration course of action; receives the filtrate which then passes on on the PCTs.
centriole – little, self-replicating organelle that provides the origin for microtubule expansion and moves DNA through mobile division.
cilia – smaller appendage on certain cells fashioned click here by microtubules and modified for movement of components throughout the cellular floor.
clavicular notch – paired notches Positioned within the excellent-lateral sides of your sternal manubrium, for articulation Together with the clavicle.
The 3rd normal purpose of your skeleton is that of movement. The good greater part in the skeletal muscles are firmly anchored towards the skeleton, typically to no less than two bones and occasionally to a lot of bones.
amniotic cavity – cavity that opens involving the interior mobile mass as well as trophoblast; develops into amnion.
When a single considers the relation of such subdivisions in the skeleton into the gentle aspects of the human body—like the anxious method, the digestive technique, the respiratory process, the cardiovascular procedure, along with the voluntary muscles with the muscle mass procedure—it is evident which the capabilities of the skeleton are of three different types: assistance, security, and motion.
bulbus cordis – portion of the primitive heart tube that can sooner or later acquire into the best ventricle.
axon terminal – close with the axon, wherever there tend to be various branches extending towards the goal cell.