| Library / English Dictionary |
PINEAL GLAND
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin
Synonyms:
epiphysis; epiphysis cerebri; pineal body; pineal gland
Classified under:
Hypernyms ("pineal gland" is a kind of...):
ductless gland; endocrine; endocrine gland (any of the glands of the endocrine system that secrete hormones directly into the bloodstream)
Context examples:
A type of brain tumor that occurs in or around the pineal gland, a tiny organ near the center of the brain.
(Pineal Region Neoplasm, NCI Dictionary)
A minority of patient with bilateral retinoblastoma were found to have involvement of the pineal gland as well.
(Bilateral Retinoblastoma, NCI Thesaurus)
The pineal gland is a small reddish-gray body, about 8 mm. in length which lies in the depression between the superior colliculi.
(Pineal Parenchyma, NCI Thesaurus)
A fast growing type of brain tumor that occurs in or around the pineal gland, a tiny organ near the center of the brain.
(Pineoblastoma, NCI Dictionary)
Melatonin Secretion Induction involves initiation of activities involved in release into the bloodstream from the pineal gland of a hormone (melatonin) implicated in regulation of sleep, mood, puberty, and ovarian cycles.
(Melatonin Secretion Process, NCI Thesaurus)
Melatonin is synthesized from serotonin intermediate in the pineal gland and the retina where the enzyme 5-hydroxyindole-O-methyltransferase, that catalyzes the last step of synthesis, is found.
(Melatonin, NCI Thesaurus)
A fluid filled sac within the pineal gland.
(Pineal Gland Cyst, NCI Thesaurus)
Also called pineal body and pineal gland.
(Pineal organ, NCI Dictionary)
Invasive embryonal neoplasm of the pineal gland showing neuronal differentiation histologically (Homer-Wright and/or Flexner-Wintersteiner rosette formation) by immunohistochemistry (synaptophysin, chromogranin, or NSE expression), or by electron microscopy (dense core vesicles and microtubules).
(Mouse Pineoblastoma, NCI Thesaurus/MMHCC)
Melatonin Secretion Inhibition consists of interference with, or restraint of, activities involved in release into the bloodstream from the pineal gland of a hormone (melatonin) implicated in regulation of sleep, mood, puberty, and ovarian cycles.
(Melatonin Secretion Inhibition, NCI Thesaurus)
