The Single Best Strategy To Use For human anatomy and physiology definition
The Single Best Strategy To Use For human anatomy and physiology definition
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angiotensin II – protein produced by the enzymatic action of ACE on inactive angiotensin I; actively triggers vasoconstriction and stimulates aldosterone release from the adrenal cortex.
cardiac notch – melancholy while in the medial floor on the inferior lobe of the still left lung the place the apex from the heart is found.
atrioventricular bundle branches – (also, remaining or appropriate bundle branches) specialised myocardial conductile cells that occur in the bifurcation with the atrioventricular bundle and pass through the interventricular septum; lead to the Purkinje fibres as well as to the ideal papillary muscle via the moderator band.
angiotensinogen – inactive protein within the circulation produced by the liver; precursor of angiotensin I; should be modified because of the enzymes renin and ACE to generally be activated.
amacrine mobile – sort of mobile from the retina that connects to your bipolar cells close to the outer synaptic layer and offers the basis for early impression processing within the retina.
cuboid – tarsal bone that articulates posteriorly with the calcaneus bone, medially Using the lateral cuneiform bone, and anteriorly With all the fourth and fifth metatarsal bones.
Bainbridge reflex – (also, termed atrial reflex) autonomic reflex that responds to extend receptors inside the atria that ship impulses on the cardioaccelerator spot to enhance HR when venous move into the atria will increase.
Bachmann’s bundle – (also, interatrial band) group of specialised conducting cells that transmit the impulse straight from the SA node in the right atrium to your read more remaining human anatomy atrium.
The body’s premier organ process is definitely the integumentary system, which incorporates the skin and its linked constructions, for instance hair and nails. The surface tissue of pores and skin is often a barrier that guards inner buildings and fluids from likely hazardous microorganisms as well as other toxins.
apical ectodermal ridge – enlarged ridge of ectoderm with the distal close of the limb bud that stimulates growth and elongation with the limb.
conducting zone – region in the respiratory method that features the organs and buildings that deliver passageways for air and so are in a roundabout way involved with gasoline exchange.
capillary – smallest of blood vessels in which Actual physical exchange happens amongst the blood and tissue cells surrounded by interstitial fluid.
abducens nerve – sixth cranial nerve; accountable for contraction of one of the extraocular muscles.
cytokinesis – closing phase in cell division, where by the cytoplasm divides to variety two independent daughter cells.