At the present time the tendency among some writers is to make the ductless glands the responsible agents in almost all diseases.
This behavior is caused by the capture, storage and release of energy through the ductless glands.
Sometimes those which do nothing but furnish these secretions are spoken of as "ductless glands," from their structure.
In recent years the glandular system, and especially that of the ductless glands, has taken on an altogether new significance.
More detailed study, however, has shown that other ductless glands are probably also concerned in the etiology.
Madame Zattiany explained in the simplest language she could command the meaning and the function of the ductless glands.
Other ductless glands in the body also affect the mental and physiological functions of the whole organism.
Scientific research into the functioning of the ductless glands and their secretions throws a new light on this problem.
Secretions in ductless and sac filling glands are for reabsorption.
The chapter of the functions of the ductless glands is one of the most interesting and most practical in modern medicine.
1640s, "course, direction," from Latin ductus "a leading," past participle of ducere "to lead" (see duke (n.)). Anatomical sense is from 1660s. Meaning "conduit, channel" is 1713; that of "air tube in a structure" is from 1884.
ductless duct·less (dŭkt'lĭs)
Lacking a duct, as glands that only secrete internally.
A tubular bodily canal or passage, especially one for carrying a glandular secretion such as bile.