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The subglottis or subglottic region is the lower portion of the larynx, extending from just beneath the vocal cords down to the top of the trachea. The structures in the subglottis are implicated in the regulation of the temperature of the breath.
The glomerulus is a tuft of small blood vessels called capillaries located within Bowman's capsule within the kidney. Between the capillaries and Bowman's capsule lies mesangium.Blood enters the capillaries of the glomerulus by a single arteriole called an afferent arteriole and leaves by an efferent arteriole.ontraction or relaxation of the artery can affect the pressure of capillaries in the glomerulus, and consequently the filtration of blood. Sympathetic nervous system action as well as hormones can also impact glomerular filtration rate by modulating afferent arteriole diameter.