human anatomy organs for Dummies

anterior interventricular artery – (also, left anterior descending artery or LAD) major department with the remaining coronary artery that follows the anterior interventricular sulcus.

antithrombin – anticoagulant that inactivates issue X and opposes the conversion of prothrombin (issue II) into thrombin in the common pathway.

cribriform plate – tiny, flattened locations with numerous tiny openings, Positioned to either facet on the midline in the floor with the anterior cranial fossa; shaped from the ethmoid bone.

cerebrum – region in the adult brain that develops from your telencephalon which is chargeable for better neurological capabilities for example memory, emotion, and consciousness.

cervical vertebrae – seven vertebrae numbered as C1–C7 that can be found from the neck location on the vertebral column.

blood–testis barrier – limited junctions involving Sertoli cells that reduce bloodborne pathogens from attaining entry to afterwards stages of spermatogenesis and forestall the probable for an autoimmune reaction to haploid sperm.

depolarise – to lessen the voltage distinction between The within and out of doors of the cell’s plasma membrane (the sarcolemma for a muscle fibre), building the inside more info considerably less destructive than at rest.

detrusor muscle mass – sleek muscle in the bladder wall; fibres operate in all Instructions to decrease the size with the organ when emptying it of urine.

atrial natriuretic peptide (ANP) – peptide hormone produced by the walls in the atria in reaction to substantial hypertension, blood volume, or blood sodium that reduces the reabsorption of sodium and h2o during the kidneys and encourages vasodilation.

dihydroxyvitamin D – Lively type of vitamin D essential because of the intestinal epithelial cells with the absorption of calcium.

Boyle’s regulation – romance among quantity and strain as explained because of the method: P1V1 = P2V2.

bundle of His – (also, atrioventricular bundle) group of specialised myocardial conductile cells that transmit the impulse within the AV node from the interventricular septum; type the remaining and appropriate atrioventricular bundle branches.

Of such features, assistance is among the most primitive as well as oldest; likewise, the axial Portion of the skeleton was the primary to evolve. The vertebral column, comparable to the notochord in decreased organisms, is the main support of the trunk.

brachial plexus – nerve get more info plexus connected to the lower cervical spinal nerves and very first thoracic spinal nerve.

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