The 2-Minute Rule for human anatomy and physiology

The 2-Minute Rule for human anatomy and physiology

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arachnoid mater – middle layer in the meninges named for that spider-web–like trabeculae that extend in between it plus the pia mater.

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basilic vein – superficial vein in the arm that arises from the palmar venous arches, intersects Along with the median cubital vein, parallels the ulnar vein, and continues into the higher arm; along with the brachial vein, it causes the axillary vein.

Progress also includes the processes of growth and maintenance, both equally of which contain mobile differentiation.

Human Physiology (physio = “nature”; -logy = “study”) studies the “nature” from the human body, mother nature from the sense of how structures at distinct stages function. Physiology focuses on perform

adrenal vein – drains the adrenal or suprarenal glands which might be promptly exceptional towards the kidneys; the best adrenal vein enters the inferior vena cava straight plus the get more info remaining adrenal vein enters the remaining renal vein.

atrioventricular (AV) node – clump of myocardial cells located in the inferior part of the proper atrium inside the atrioventricular septum; gets the impulse from the SA node, pauses, after which you can transmits it into specialised conducting cells within the interventricular septum.

chemical synapse – link in between two neurons, or between a neuron and its goal, in which a neurotransmitter diffuses throughout an exceedingly limited length.

canaliculi – (singular = canaliculus) channels throughout the bone matrix that house amongst an osteocyte’s a lot of cytoplasmic extensions that it employs to speak and get nutrients.

buffy coat – thin, pale layer of leukocytes and platelets that separates the erythrocytes from your plasma in the sample of centrifuged blood.

activation gate – A part of the voltage-gated Na+ channel that opens if the membrane voltage reaches threshold.

cerebral peduncles – segments on the descending motor pathway which make human anatomy up the white subject from the ventral midbrain.

abducens nerve – sixth cranial nerve; to blame for contraction of one of many extraocular muscles.

atrioventricular septum – cardiac septum located involving the atria and ventricles; atrioventricular valves can be found below.