| / English Dictionary |
DUCTLESS GLAND
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Any of the glands of the endocrine system that secrete hormones directly into the bloodstream
Synonyms:
ductless gland; endocrine; endocrine gland
Classified under:
Hypernyms ("ductless gland" is a kind of...):
gland; secreter; secretor; secretory organ (any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream)
Hyponyms (each of the following is a kind of "ductless gland"):
gonad; sex gland (a gland in which gametes (sex cells) are produced)
corpus luteum (yellow endocrine tissue that forms in a ruptured Graafian follicle following the release of an ovum; it degenerates after a few days unless pregnancy has begun)
adrenal medulla (the medulla of the adrenal gland; secretes epinephrine)
adrenal cortex (the cortex of the adrenal gland; secretes corticosterone and sex hormones)
islands of Langerhans; isles of Langerhans; islets of Langerhans (cell clusters in the pancreas that form the endocrine part of that organ; secrete insulin and other hormones)
epiphysis; epiphysis cerebri; pineal body; pineal gland (a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin)
neurohypophysis; pars nervosa; posterior pituitary; posterior pituitary gland (the posterior lobe of the pituitary body; primarily glandular in nature)
pars intermedia (a thin piece of tissue that has become part of the posterior pituitary)
pars anterior; pars distilis (the anterior part of the anterior pituitary)
adenohypophysis; anterior pituitary; anterior pituitary gland (the anterior lobe of the pituitary body; primarily glandular in nature)
hypophysis; pituitary; pituitary body; pituitary gland (the master gland of the endocrine system; located at the base of the brain)
thymus; thymus gland (a ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age)
prostate; prostate gland (a firm partly muscular chestnut sized gland in males at the neck of the urethra; produces a viscid secretion that is the fluid part of semen)
adrenal; adrenal gland; suprarenal gland (either of a pair of complex endocrine glands situated near the kidney)
parathyroid; parathyroid gland (any one of four endocrine glands situated above or within the thyroid gland)
thyroid; thyroid gland (located near the base of the neck)
Holonyms ("ductless gland" is a part of...):
endocrine system (the system of glands that produce endocrine secretions that help to control bodily metabolic activity)
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