Denoting a gland that secretes directly into the bloodstream, such as an endocrine gland or a lymph gland.
〔剖〕（腺）无管的
Example sentencesExamples
Today's hype about genetic enhancement, cloning, and stem cells was preceded by a much earlier hype about hormones, secretions, and ductless glands.
All the organs of the body, the ductless glands included, are weakened.
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.
They also possess ductless endocrine glands that play a critical role in regulating the body metabolism.
Endocrine glands by contrast are ductless, and secrete hormones directly into the bloodstream.
Definition of ductless in US English:
ductless
adjectiveˈdəktləsˈdəktləs
Anatomy
Denoting a gland that secretes directly into the bloodstream, such as an endocrine gland or a lymph gland.
〔剖〕（腺）无管的
Example sentencesExamples
Today's hype about genetic enhancement, cloning, and stem cells was preceded by a much earlier hype about hormones, secretions, and ductless glands.
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.
Endocrine glands by contrast are ductless, and secrete hormones directly into the bloodstream.
They also possess ductless endocrine glands that play a critical role in regulating the body metabolism.
All the organs of the body, the ductless glands included, are weakened.