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25 Cards in this Set

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rough endoplasmic reticulum
the portions of the endoplasmic reticulum that contain a dense array of ribosomes
smooth endoplasmic reticulum
portions of the endoplasmic reticulum that do not contain ribosomes
submucosa layer
a layer of connective tissue located deep in a mucous membrane
tendon
a white fibrous cord of regularly arranged connective tissue that attaches muscles to bones
tropic hormone
a hormone whose target is another endocrine gland
ultrafiltrate
a fluid that has been filtered through a semipermeable cappillary wall, which allows small molecules (e.g., water) to pass through but holds back larger molecules (e.g., proteins)
efferent arteriole
a vessel of the renal vascular system that carries blood from the glomerulus to the peritubular capillary
filtrate
the filtered fluid; the fluid produced when blood is filtered by the endothelial-capsular membrane
glomerous
a cluster of capillaries that is surrounded by the Bowman's capsule of each kidney tubule
glucocorticoids
a group of hormones secreted by the adrenal cortex
hilus
an area, depression, or pit where blood vessels and nerves enter or leave an organ
internal respiration
the exchange of respiratory gases between blood and body cells; also reffered to as tissue respiration
nerve
a group of fibers (axons and / or dendrites) and their association connective tissue coursing together outside the central nervous system
neuron
a nerve cell, consisting of a cell body, dendrites, and an axon
organ
a structure composed of two or more different kinds of tissue with a specific function and usually a recognizable shape
osmolarity
the concentration of an osmotic solution
peripheral nervous system (PNS)
the portion of the nervous system that is outside of the central nervous system, comprised of nerves and ganglia
releasing hormone
a peptide hormone produces by the hypothalamus that stimulates or inhibits the secretion of specific hormones by the anterior pituitary
respiration
the overall exchange of gases between the atmosphere, blood, and body cells; consists of pulmonary ventilation ( breathing), external resperation, and internal resperation
Islets of Langerhans
clusters of endocrine gland cellsin the pancreas tha secrete insulin, glucogen, somatostatin, and pancreatic polypeptide
limbic system
a portion of the forebrain concerened with various aspects of emotions and behavior
meocrine gland
a secretory cell that remains intact throughout the process of formation and discharge of secondary product
mineral corticoids
a group of hormones secreted by the adrenal cortex
negative feedback
a hmeostatic control mechanisim, wereby an increase in a particular substance or activity inhibits the process that leads to increase
nephron
a single excrecitory unit of the kidney