ductless glands

ductless glands
ductless glands plural noun (anatomy)
Masses of glandular tissue that lack ducts and discharge their products directly into the blood
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Main Entry:duct

Useful english dictionary. 2012.

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  • ductless glands — endocrine g s …   Medical dictionary

  • Ductless gland — Ductless glands are glands that secrete their product directly onto a surface rather than through a duct. Examples are the goblet cells in the epithelial surface of the digestive, respiratory, urinary and reproductive systems. Many endocrine… …   Wikipedia

  • ductless gland — noun any of the glands of the endocrine system that secrete hormones directly into the bloodstream • Syn: ↑endocrine gland, ↑endocrine • Derivationally related forms: ↑endocrinal (for: ↑endocrine) • Hypernyms: ↑ …   Useful english dictionary

  • endocrine glands — Ductless glands which produce internal hormonal secretions that are released directly into the blood or hemolymph; see exocrine glands …   Dictionary of invertebrate zoology

  • ductless — Having no duct; denoting certain glands having only an internal secretion. * * * duct·less dək tləs adj being without a duct * * * duct·less (duktґləs) having no excretory duct …   Medical dictionary

  • endocrine glands — ductless organs that secrete specific substances (hormones) that are released directly into the circulatory system and influence metabolism and other body processes. The endocrine glands include the hypothalamus, pituitary, thyroid, parathyroid,… …   Medical dictionary

  • Endocrine glands — are glands that secrete their product, (hormones), directly into the blood rather than through a duct. This group contains the glands of the Endocrine system. The main Endocrine glands include the pituitary gland, the pancreas,the ovaries, the… …   Wikipedia

  • gland — An organized aggregation of cells functioning as a secretory or excretory organ. SYN: glandula (1) [TA]. [L. glans, acorn] accessory g. a small mass of glandular structure, detached from but lying near another and larger g., to which it is… …   Medical dictionary

  • Oil gland — An oil gland is a sebaceous (or sebiferous) gland that secretes sebaceous matter. Oil glands are part of the body s integumentary system and serve to protect the body against germs. They are mainly situated in the corium or true skin. True oil… …   Wikipedia

  • endocrinology — endocrinologic /en doh krin l oj ik, kruyn , kreen /, endocrinological, adj. endocrinologist, n. /en doh kreuh nol euh jee, kruy /, n. the branch of biology dealing with the endocrine glands and their secretions, esp. in relation to their… …   Universalium

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