arachnoid mater – Center layer from the meninges named for the spider-Website–like trabeculae that stretch concerning it plus the pia mater.
corpus spongiosum – (plural = corpora cavernosa) column of erectile tissue while in the penis that fills with blood during an erection and surrounds the penile urethra on the ventral portion of the penis.
dense body – sarcoplasmic composition that attaches towards the sarcolemma and shortens the muscle mass as skinny filaments slide past thick filaments.
angiotensinogen – inactive protein within the circulation made by the liver; precursor of angiotensin I; must be modified by the enzymes renin and ACE to become activated.
cupula – specialised composition inside the base of the semicircular canal that bends the stereocilia of hair cells when the head rotates By the use of the relative movement in the enclosed fluid.
adrenal medulla – interior layer from the adrenal glands that plays a significant position from the anxiety reaction by creating adrenaline and noradrenaline.
depolarise – to lessen the voltage distinction between the inside and outside of a mobile’s plasma membrane (the sarcolemma for the muscle mass fibre), producing The within much less detrimental than at relaxation.
counter existing multiplier process – includes the descending and ascending loops of Henle directing forming urine in opposing Instructions to produce a concentration gradient when combined with variable permeability and sodium pumping.
aortic sinuses – compact pockets inside the ascending aorta close to the aortic valve which can be the locations on the baroreceptors (extend receptors) and chemoreceptors that cause a website reflex that aids while in the regulation of vascular homeostasis.
acetabular labrum – lip of fibrocartilage that surrounds outer margin with the acetabulum within the hip bone.
axon segment – one stretch from the axon insulated by myelin and bounded by nodes of Ranvier at possibly close (except for the very first, that's following the initial segment, and the last, which can be accompanied by get more info the axon terminal).
When one considers the relation of these subdivisions in the skeleton towards the soft elements of the human body—like the anxious procedure, the digestive program, the respiratory procedure, the cardiovascular procedure, as well as the voluntary muscles of the muscle mass system—it is obvious which the functions of your skeleton are of 3 differing kinds: support, safety, and motion.
bulbus cordis – percentage of the primitive heart tube that should inevitably establish into the proper ventricle.
widespread carotid artery – appropriate widespread carotid artery arises through the brachiocephalic artery, and the still left prevalent carotid occurs in the aortic arch; gives increase into the external and interior carotid arteries; provides the respective sides of the head and neck.