Glossary index
Medical terms beginning with G
Browse medical definitions and meanings in the complete glossary, or choose a letter to narrow the list.
G terms
194 results-
An herb with a root that has been used in some cultures to treat certain medical problems.
-
A type of tumor that usually begins in cells in the wall of the gastrointestinal tract.
-
An organ that makes one or more substances, such as hormones, digestive juices, sweat, tears, saliva, or milk.
-
Tube-like gland found in the lining of the colon and rectum.
-
The rounded, gland-like head of the penis.
-
A condition in which there is a build-up of fluid in the eye, which presses on the retina and the optic nerve.
-
A system of grading prostate cancer tissue based on how it looks under a microscope.
-
Any of the cells that hold nerve cells in place and help them work the way they should.
-
A general term for tumors of the central nervous system, including astrocytomas, ependymal tumors, glioblastoma multiforme, and primitive neuroectodermal tumors.
-
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 different from normal cells.
-
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 different from normal cells.
-
A cancer of the brain that begins in glial cells (cells that surround and support nerve cells).
-
A type of glioma (cancer of the brain that comes from glial, or supportive, cells).
-
Surgical removal of all or part of the tongue.
-
The middle part of the larynx; the area where the vocal cords are located.
-
A hormone produced by the pancreas that increases the level of glucose (sugar) in the blood.
-
A rare pancreatic tumor that produces a hormone called glucagon.
-
A compound that belongs to the family of compounds called corticosteroids (steroids).
-
The process of making glucose (sugar) from its own breakdown products or from the breakdown products of lipids (fats) or proteins.
-
A type of sugar; the chief source of energy for living organisms.