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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
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]
Farlex Partner Medical Dictionary © Farlex 2012
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.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann