Definition of ductless in English:

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ductless

Pronunciation: /ˈdʌktləs/

adjective

Anatomy
Denoting a gland that secretes directly into the bloodstream, such as an endocrine gland or a lymph gland.
Example sentences
  • Endocrine glands by contrast are ductless, and secrete hormones directly into the bloodstream.
  • These cellular masses, designated as the ductless glands or glands of internal secretion, have during development lost their original connection with the epithelium of the free surface.
  • Today's hype about genetic enhancement, cloning, and stem cells was preceded by a much earlier hype about hormones, secretions, and ductless glands.
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