Rumored Buzz on human anatomy and physiology definition
Rumored Buzz on human anatomy and physiology definition
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A human body includes trillions of cells organized in a way that maintains distinct interior compartments. These compartments retain body cells divided from external environmental threats and keep the cells moist and nourished. They also individual internal body fluids within the many microorganisms that develop on body surfaces, such as the lining of sure passageways that hook up with the outer surface on the body.
appendicular skeleton – all bones of your upper and decrease limbs, additionally the girdle bones that connect Every limb into the axial skeleton.
To know the complete buildings and functioning means of this system it is necessary to find out about the anatomy and physiology.
cleavage – method of mitotic cell division in which the mobile divides but the entire volume continues to be unchanged; this method serves to generate more compact and scaled-down cells.
aorta – biggest artery from the body, originating from your remaining ventricle and descending towards the abdominal region where by it bifurcates in the prevalent iliac arteries at the level on the fourth lumbar vertebra; arteries originating in the aorta distribute blood to pretty much all tissues of the body.
crista galli – modest upward projection Situated for the midline in the floor with the anterior cranial fossa; formed because of the ethmoid bone.
arrector pili – easy muscle that is definitely activated in reaction to exterior stimuli that pull on hair follicles and make the hair “arise”.
cilia – tiny appendage on specified cells formed by microtubules and modified for movement of components across the cellular area.
cerebral cortex – outermost layer of grey issue while in the brain, in which mindful notion can take area.
diploid – issue click here marked with the presence of the double complement of genetic content (two sets of chromosomes, a person established inherited from Every of two parents).
amniotic cavity – cavity that opens amongst the internal cell mass as well as the trophoblast; develops into amnion.
arachnoid trabeculae – filaments concerning the arachnoid and pia mater in the subarachnoid House.
alkaloid – material, normally from a plant resource, that may be chemically basic with respect more info to pH and may promote bitter receptors.
cytokinesis – final stage in cell division, where by the cytoplasm divides to form two different daughter cells.