The 2-Minute Rule for human anatomy meaning
The 2-Minute Rule for human anatomy meaning
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angiotensin II – protein produced by the enzymatic motion of ACE on inactive angiotensin I; actively will cause vasoconstriction and stimulates aldosterone launch with the adrenal cortex.
amino acid – a protein’s monomer; incorporates a central carbon or alpha carbon to which an amino group, a carboxyl group, a hydrogen, and an R team or side chain is attached; the R team differs for all 20 frequent amino acids.
acromial end in the clavicle – lateral end with the clavicle that articulates While using the acromion from the scapula.
frequent iliac vein – considered one of a pair of veins that flows to the inferior vena cava at the level of L5; the remaining frequent iliac vein drains the sacral area; divides into external and inside iliac veins close to the inferior percentage of the sacroiliac joint
channel protein – membrane-spanning protein that has an internal pore which permits the passage of one or more substances.
cardiac output (CO) – quantity of blood pumped by Every ventricle all through just one moment; equals HR multiplied by SV.
Even so, erect posture has designed many mechanical challenges—specifically, excess weight bearing. These difficulties have had to be achieved by adaptations of the skeletal technique.
aponeurosis – broad, tendon-like sheet of connective tissue that attaches a skeletal muscle to another skeletal muscle or to website a bone.
Cells, as an example, Use a cell membrane (also generally known as the plasma membrane) that retains the intracellular atmosphere—the fluids and organelles—individual through the extracellular surroundings. Blood vessels hold blood within a closed circulatory technique, and nerves and muscles are wrapped in connective tissue sheaths that individual them from surrounding structures.
autonomic tone – contractile point out for the duration of resting cardiac action produced by mild sympathetic and parasympathetic stimulation.
apneustic centre – network of neurons in the pons that encourage the neurons inside the dorsal respiratory group; controls the depth of inspiration.
anterior communicating artery – anastomosis of the appropriate and remaining inner carotid arteries; supplies blood to your brain.
bulbourethral glands – (also, Cowper’s glands) glands that secrete a lubricating mucus that cleans and lubricates the urethra before And through ejaculation.
basal mobile – variety of stem cell found in click here the stratum basale and while in the hair matrix that frequently undergoes mobile division, producing the keratinocytes in the epidermis.