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glucocorticoid

A compound that belongs to the family of compounds called corticosteroids (steroids). Glucocorticoids affect metabolism and have anti-inflammatory and … [Read more...]

glioblastoma multiforme

A fast-growing type of central nervous system tumor that forms from glial (supportive) tissue of the brain and spinal cord and has cells that look very … [Read more...]

glial tumor

A general term for tumors of the central nervous system, including astrocytomas, ependymal tumors, glioblastoma multiforme, and primitive neuroectodermal … [Read more...]

Gleason score

A system of grading prostate cancer tissue based on how it looks under a microscope. Gleason scores range from 2 to 10 and indicate how likely it is that a … [Read more...]

gestational trophoblastic tumor

Any of a group of tumors that develops from trophoblastic cells (cells that help an embryo attach to the uterus and help form the placenta) after fertilization … [Read more...]

germ cell tumor

A type of tumor that begins in the cells that give rise to sperm or eggs. Germ cell tumors can occur almost anywhere in the body and can be either benign or … [Read more...]

generalized anxiety disorder

A condition marked by excessive worry and feelings of fear, dread, and uneasiness that last six months or longer. Other symptoms of generalized anxiety disorder … [Read more...]

gastrointestinal stromal tumor

A type of tumor that usually begins in cells in the wall of the gastrointestinal tract. It can be benign or malignant. Also called GIST. … [Read more...]

gastrointestinal carcinoid tumor

An indolent (slow-growing) cancer that forms in cells that make hormones in the lining of the gastrointestinal tract (the stomach and intestines). It usually … [Read more...]

functioning tumor

A tumor that is found in endocrine tissue and makes hormones (chemicals that travel in the bloodstream and control the actions of other cells or organs). … [Read more...]