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9 terms

Communication 2.3 Key Terms Review

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Endocrine Gland
A gland (as the thyroid or the pituitary) that produces an endocrine secretion -- called also ductless gland, gland of internal secretion.
Endocrine System
The glands and parts of glands that produce endocrine secretions, help to integrate and control bodily metabolic activity.
Pituitary gland
An endocrine gland at the base of the hypothalamus; consists of a posterior lobe, and an anterior lobe.
Insulin
A vertebrate hormone that lowers blood glucose levels by promoting the uptake of glucose by most body cells and the synthesis and storage of glycogen in the liver.
Hypothalamus
The ventral part of the vertebrate forebrain; functions in maintaining homeostasis, especially in coordinating the endocrine and nervous systems;
Hormone
Any one of the many circulating chemical signals that travel in body fluids, and coordinate the various parts of the organism by interacting with target cells.
Glucagon
A protein hormone that is produced especially by the pancreatic islets of Langerhans and that promotes an increase in the sugar content of the blood by increasing the rate of breakdown of glycogen in the liver.
Gland
A cell, group of cells, or organ of endothelial origin that selectively removes materials from the blood, concentrates or alters them, and secretes them for further use in the body or for elimination from the body.
Exocrine Gland
A gland (as a sweat gland, a salivary gland, or a kidney) that releases a secretion external to or at the surface of an organ by means of a canal or duct.