angiotensin II – protein produced by the enzymatic motion of ACE on inactive angiotensin I; actively brings about vasoconstriction and stimulates aldosterone release via the adrenal cortex.
corpus spongiosum – (plural = corpora cavernosa) column of erectile tissue from the penis that fills with blood all through an erection and surrounds the penile urethra about the ventral portion of the penis.
denaturation – loss of form within a protein as a result of adjustments in temperature, pH, or chemical publicity.
atmospheric pressure – degree of pressure that is definitely exerted by gases from the air surrounding any provided floor.
Regulate centre – compares values for their typical selection; deviations lead to the activation of an effector.
coronary sinus – huge, skinny-walled vein within the posterior surface in the heart that lies inside the atrioventricular sulcus and drains the heart myocardium instantly into the appropriate atrium.
central chemoreceptor – on the list of specialised receptors that can be found within the Mind that feeling adjustments in hydrogen ion, oxygen, or carbon dioxide concentrations during the Mind.
brachial artery – continuation of your axillary artery during the brachium; materials blood to Considerably with the brachial area; provides off a number of lesser branches that provide blood to the posterior area with the arm while in the region from the elbow; bifurcates into the radial and ulnar arteries on the coronoid fossa.
Cells, one example is, Use a cell membrane (also known as the plasma membrane) that keeps the intracellular environment—the fluids and organelles—different within the extracellular setting. Blood vessels keep blood inside of a closed circulatory method, and nerves and muscles are wrapped in connective tissue sheaths that different them from encompassing structures.
buffy coat – slim, pale layer of leukocytes and platelets that separates the erythrocytes through the check here plasma in a very sample of centrifuged blood.
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alveolar duct – smaller tube that sales opportunities with the terminal bronchiole to your respiratory bronchiole and is also the point of attachment for alveoli.
A distinctive attribute of humans as when compared with other mammals is erect posture. The human body is always to some extent similar to a walking tower that moves on pillars, represented via the legs. Incredible advantages are gained from this erect posture, the chief among that has been the freeing with the arms for a great variety of works by using.
corona radiata – within an oocyte, check here a layer of granulosa cells that surrounds the oocyte Which have to be penetrated by sperm ahead of fertilisation can occur.