Definitions
Century Dictionary and Cyclopedia
- Having no duct: as, a ductless gland. The so-called ductless glands of man are four—the spleen, thymus, thyroid, and adrenal. The last is a pair, and the others are single. See
gland .
Wiktionary
- adj. having no duct
GNU Webster's 1913
- adj. Having to duct or outlet.
WordNet 3.0
- adj. not having a duct
Examples
“They have no ducts from which to secrete their hormones and are sometimes referred to as the ductless glands.”
“During the eighteen-eighties, above all through the investigations of the Frenchman Brown-Séquard, attention had been directed to the importance for the vital functions of certain ductless gland-like organs.”
“With the lymphatics may be classified, for convenience, a number of organs called ductless or blood glands.”
“There is perhaps no more fascinating story in the history of science than that of the discovery of these so-called ductless glands.”
“The thyroid is one of the so-called ductless glands, like the adrenals above the kidneys, the pineal gland and the pituitary body.”
“It is a "ductless" gland, its secretions apparently being taken up by absorption into the lymph, and from that into the blood.”
“He says ductless technology is improving, and while most manufacturers are now Japanese, more U.S. firms will move into the market.”
“Geothermal heat pumps will be replaced by lower-cost, ductless "mini-split" air-source heat pumps, predicts Wilson.”
“Washington stateJust over $1 million is available for rebates ranging from $75 to $750 on washing machines, refrigerators, dishwashers, water heaters and ductless air-source heat pumps.”
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“As I approached the forbidding edifice that is Tony Conigliaro Consolidated Elementary School, my heart sank from its perch just above the ruffled v-neck of my blouse to a point slightly below my spleen, which is a vascular, ductless organ whose principal functions are the storage of blood and production of lymphocytes.”
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