释义 |
pinealoma ThesaurusNoun | 1. | pinealoma - tumor of the pineal glandneoplasm, tumor, tumour - an abnormal new mass of tissue that serves no purpose |
pinealoma
pinealoma [pin″e-ah-lo´mah] a tumor of the pineal body composed of neoplastic nests of large epithelial cells; it may cause hydrocephalus, precocious puberty, and gait disturbances.pin·e·a·lo·ma (pin'ē-ă-lō'mă), A term that has been variably used to designate germ cell tumors, pineocytomas, and pineoblastomas of the pineal gland. [pineal + G. -oma, tumor] pinealoma A neoplasm of the pineal gland, which is designated in increasing order of aggressiveness as pineocytoma, pineal parenchyma tumour and pineoblastoma. Pineoblastomas are composed predominantly of primitive cells.pin·e·a·lo·ma (pin'ē-ă-lō'mă) A term that has been variably used to designate germ cell tumors, pineocytomas, and pineoblastomas of the pineal gland. [pineal + G. -oma, tumor]pinealoma A tumour of the pineal body, a small glandular structure that lies between the two superior colliculi in a depression below the splenium of the corpus callosum. It may result in a loss of the pupil light reflex, vertical gaze palsy (especially in children), hydrocephalus, as well as a disturbance of the secretion of melatonin, which is related to the diurnal dark-light cycles. Syn. pineoblastoma. See convergence-retraction nystagmus.pinealoma
Words related to pinealomanoun tumor of the pineal glandRelated Words |