• WordNet 3.6
    • adj ductless not having a duct "ductless glands"
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Webster's Revised Unabridged Dictionary
    • a Ductless Having to duct or outlet; as, a ductless gland.
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Century Dictionary and Cyclopedia
    • ductless 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.
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  • Aldous Huxley
    “What we feel and think and are is to a great extent determined by the state of our ductless glands and viscera.”


In literature:

There is perhaps no more fascinating story in the history of science than that of the discovery of these so-called ductless glands.
"The Evolution of Modern Medicine" by William Osler
Scientific research into the functioning of the ductless glands and their secretions throws a new light on this problem.
"The Pivot of Civilization" by Margaret Sanger
The Spleen and Other Ductless Glands.
"A Practical Physiology" by Albert F. Blaisdell
This behavior is caused by the capture, storage and release of energy through the ductless glands.
"Crime: Its Cause and Treatment" by Clarence Darrow
Sometimes those which do nothing but furnish these secretions are spoken of as "ductless glands," from their structure.
"Taboo and Genetics" by Melvin Moses Knight, Iva Lowther Peters, and Phyllis Mary Blanchard
It is only comparatively recently that the functions of other ductless glands have been discovered.
"The Last Harvest" by John Burroughs
The adrenals are two inconspicuous ductless bodies situated immediately above the kidneys.
"Science and Morals and Other Essays" by Bertram Coghill Alan Windle
More detailed study, however, has shown that other ductless glands are probably also concerned in the etiology.
"Psychotherapy" by James J. Walsh

In news:

Ductless Fume Hood Selection Guide.
" Ductless Heat Pumps" Could Replace Baseboard Heaters.
Mobile Ductless Fume Hood Is Self-Contained.
It is easily moved from laboratory to laboratory, and its ductless design allows for easy installation.
Leading HVAC manufacturer, Fujitsu General America, Inc, now offers three new ductless wall mount split system heat pumps with longer refrigerant pipe lengths and high energy efficiencies.
ARI Launches Unitary Ductless Equipment Product Section Dec 1, 2004 Printable format Email this Article Search.
The Air-Conditioning and Refrigeration Institute (ARI) formed a new product section to represent unitary ductless equipment with the approval by ARI's board of directors.
The ductless cabinets are equipped with silent turbine fans that draw chemical vapors into a molecular, high-absorption filter .
AirClean Systems has introduced new models of its Patriot ductless fume hoods .
Bonded carbon filtration is standard on Patriot ductless fume hoods .
Lennox offers a ductless heat pump and air conditioner as two energy-efficient options to heat.