Top latest Five human anatomy and physiology definition Urban news

articular capsule – connective tissue construction that encloses the joint cavity of the synovial joint.

arm – location from the upper limb Found between the shoulder and elbow joints; contains the humerus bone.

dense body – sarcoplasmic composition that attaches to the sarcolemma and shortens the muscle mass as skinny filaments slide previous thick filaments.

adrenaline – Principal and most powerful catecholamine hormone secreted via the adrenal medulla in reaction to small-phrase worry.

cupula – specialised composition throughout the foundation of the semicircular canal that bends the stereocilia of hair cells when the head rotates By the use of the relative movement on the enclosed fluid.

contralateral – word meaning “on the alternative side,” as in axons that cross the midline inside a fibre tract.

brain – the big organ on the central anxious program composed of white and gray make any difference, contained within the cranium and continuous With all the spinal cord.

cell cycle – existence cycle of a single mobile, from its beginning right until its division into two new daughter cells.

dermal papilla – (plural = get more info dermal papillae) extension of the papillary layer on the dermis that will increase area contact concerning the epidermis and dermis.

diploid – ailment marked by the existence of the double enhance of genetic substance (two sets of chromosomes, just one set inherited from Each individual of two mother and father).

direct pathway – connections within the basal nuclei with the striatum to your globus pallidus internal section and substantia nigra pars reticulata that disinhibit the thalamus to raise cortical control of motion.

astrocyte – star-shaped cell within the central nervous procedure that regulates ions and uptake and/or breakdown of some neurotransmitters and contributes towards the formation of the blood-Mind barrier.

blood-Mind barrier (BBB) – physiological barrier involving the circulatory method as well as central nervous process that establishes a privileged blood supply, restricting the stream of substances into the CNS.

brush border – fashioned by microvilli to the surface area of specified cuboidal check here cells; in the kidney it truly is present in the PCT; boosts surface area place for absorption in the kidney.

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