The 2-Minute Rule for human anatomy meaning
The 2-Minute Rule for human anatomy meaning
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ampulla – from the ear, the framework at the base of the semicircular canal that contains the hair cells and cupula for transduction of rotational motion of The top.
anterior talofibular ligament – intrinsic ligament Found about the lateral facet in the ankle joint, concerning talus bone and lateral malleolus of fibula; supports talus in the talocrural joint and resists excess inversion of your foot.
chitin – style of carbohydrate that forms the outer skeleton of all arthropods which include crustaceans and insects; In addition, it forms fungi mobile walls.
The intestinal tract, one example is, is household to extra bacterial cells than the overall of all human cells from the body, nevertheless these micro organism are exterior the body and cannot be permitted to flow into freely inside the body.
aorta – major artery from the body, originating from the left ventricle and descending towards the abdominal region where by it bifurcates into the typical iliac arteries at the level of your fourth lumbar vertebra; arteries originating within the aorta distribute blood to practically all tissues on the body.
adrenal medulla – interior layer from the adrenal glands that plays a vital function in the anxiety reaction by producing adrenaline and noradrenaline.
arrector pili – sleek muscle that's activated in response to exterior stimuli that pull on hair follicles and make the hair “stand up”.
antibodies – (also, immunoglobulins or gamma globulins) antigen-precise proteins made by specialised B lymphocytes that safeguard the body by binding to international objects for instance microorganisms and viruses.
amnion – transparent membranous sac that encloses the building foetus and fills with amniotic fluid.
autonomic tone – contractile condition for human anatomy and physiology definition the duration of resting cardiac action produced by moderate sympathetic and parasympathetic stimulation.
immediate pathway – connections throughout the basal nuclei within the striatum to your globus pallidus interior segment and substantia nigra pars reticulata that disinhibit the thalamus to improve cortical control of movement.
cardiac plexus – paired intricate community of nerve fibres close to the foundation in the heart that obtain sympathetic and parasympathetic stimulations to manage HR.
Anabolism is the method whereby smaller sized, more simple check here molecules are blended into bigger, extra intricate substances. Your body can assemble, by employing Electricity, the complex chemical compounds it requirements by combining smaller molecules derived in the foods you try to eat
absolute refractory period of time – time in the course of an action period of time when another motion likely cannot be created since the voltage-gated Na+ channel is inactivated.