Sentence examples for ductless gland from inspiring English sources
noun
Any gland that secretes hormones directly into the bloodstream; especially the endocrine gland
Pituitary gland, also called hypophysis, ductless gland of the endocrine system that secretes hormones directly into the bloodstream.
Diabetes is a common disease of metabolic-endocrine (ductless gland) origin involving a relative or absolute deficiency of insulin, a hormone that plays a major role in carbohydrate metabolism.
An expert said that he might have a "deranged ductless gland".
Human endocrine system, group of ductless glands that regulate body processes by secreting chemical substances called hormones.
Hormones are large organic molecules secreted in small amounts by specific cells in the various endocrine (ductless) glands.
Because of the importance of hormones in the regulation of many physiological systems, impairments in endocrine (ductless) glands have traditionally been cited as important determinants in aging.
Friedrich Henle in 1841 was the first to recognize "ductless glands," glands that secrete their products into the bloodstream and not into specialized ducts.
Endocrine, or ductless, glands (e.g., pituitary, thyroid, adrenal) secrete substances known as hormones directly into the bloodstream rather than through ducts.
In 1855 Claude Bernard distinguished the products of these ductless glands from other glandular products by the term "internal secretions," the first suggestion of what was to become the modern hormone concept.
May 19 , 1857Cleveland, Ohio May 26 , 1938Baltimore, Maryland John Jacob Abel, (born May 19 , 1857 Cleveland, Ohio, U.S. died May 26 , 1938 Baltimore, Maryland), American pharmacologist and physiological chemist who made important contributions to a modern understanding of the ductless, or endocrine, glands.
