|

ductless gland

DEFINITIONS OF: ductless gland

1

n any of the glands of the endocrine system that secrete hormones directly into the bloodstream

Synonyms:
endocrine, endocrine gland
Types:
show 19 types...
hide 19 types...
thyroid, thyroid gland
located near the base of the neck
parathyroid, parathyroid gland
any one of four endocrine glands situated above or within the thyroid gland
adrenal, adrenal gland, suprarenal gland
either of a pair of complex endocrine glands situated near the kidney
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
thymus, thymus gland
a ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age
hypophysis, pituitary, pituitary body, pituitary gland
the master gland of the endocrine system; located at the base of the brain
adenohypophysis, anterior pituitary, anterior pituitary gland
the anterior lobe of the pituitary body; primarily glandular in nature
pars anterior, pars distilis
the anterior part of the anterior pituitary
pars intermedia
a thin piece of tissue that has become part of the posterior pituitary
neurohypophysis, pars nervosa, posterior pituitary, posterior pituitary gland
the posterior lobe of the pituitary body; primarily glandular in nature
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
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
adrenal cortex
the cortex of the adrenal gland; secretes corticosterone and sex hormones
adrenal medulla
the medulla of the adrenal gland; secretes epinephrine
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
gonad, sex gland
a gland in which gametes (sex cells) are produced
ovary
(vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone
ovotestis
hermaphroditic gonad that contains both testicular and ovarian tissue
ball, ballock, bollock, egg, nut, orchis, testicle, testis
one of the two male reproductive glands that produce spermatozoa and secrete androgens
Type 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
WORD FAMILY
USAGE EXAMPLES