Glioma is a type of tumor that arises from the glial cells, which are supportive cells found in the brain and spinal cord. The word glioma is spelled with a silent 'g' at the beginning and pronounced as [ɡliˈoʊmə] in IPA phonetic transcription. The 'g' is silent because it is followed by the letter 'l', which makes the 'l' sound more like a vowel. The 'o' in glioma is pronounced as a long 'o' sound, and the final 'a' is pronounced as a schwa sound.
Glioma is a term used in medical terminology to refer to a type of tumor that originates in the supportive glial cells of the central nervous system, primarily the brain. Glial cells are non-neuronal cells that provide support and insulation to nerve cells within the nervous system. Gliomas can develop in any part of the brain or spinal cord and can vary in size, location, and aggressiveness.
These tumors are classified based on their cell type and location within the brain. There are several types of gliomas, including astrocytomas, oligodendrogliomas, ependymomas, and mixed gliomas, which have different characteristics and behaviors. Gliomas can range from benign (noncancerous) to malignant (cancerous) and can have varying growth rates.
Symptoms of gliomas may vary depending on the size, location, and aggressiveness of the tumor, but common signs include headaches, seizures, cognitive and memory problems, changes in personality or behavior, difficulty speaking or understanding language, and motor coordination issues.
Treatment for gliomas generally involves a combination of surgical removal, radiation therapy, and chemotherapy. The treatment plan depends on factors such as the type, location, and grade of the tumor, as well as the patient's age and overall health.
Overall, gliomas are a complex class of tumors that develop from the supportive cells of the central nervous system, and their diagnosis and treatment requires a multidisciplinary approach involving neurologists, neurosurgeons, radiologists, and oncologists.
1. A tumor formed of neuroglia cells. 2. A sarcoma springing from neuroglia, especially a sarcoma of the retina.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "glioma" has its roots in the Greek language. It is derived from the Greek word "glio" (γλίο), which means "glue" or "gum". The term was coined in the mid-19th century to describe tumors that arise from the glial cells in the brain or spinal cord. Glial cells are supportive cells that surround and provide nutrients to the nerve cells in the central nervous system. Hence, gliomas refer to tumors that originate from these glial cells.