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Glial heterotopia of the orbit and extranasal region: an unusual entity
Mandeep S Bajaj1, Seema Kashyap, Vijay B Wagh
1Oculoplasty and Paediatric Ophthalmology Services, Rajendra Prasad Center for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India. msbajaj32@hotmail.com
Clinical & Experimental Ophthalmology
|September 27, 2005
Abstract:
Glial heterotopia or the occurrence of isolated non-teratomatous extracranial glial tissue is rare. Most of the reported cases of this entity arise in the nose. Herein a rare case of heterotopic glial tissue in the orbit and extranasal region without bony defect is described.
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01:31Nervous Tissue: Glial Cells
Glia, or neuroglia, are vital support cells that assist neurons in their functions. The term "glia" originates from the Greek word for "glue," reflecting their role in holding the nervous system together. These cells can be categorized into six types: four in the central nervous system (CNS) and two in the peripheral nervous system (PNS).
The CNS glial cell includes the astrocytes, the oligodendrocytes, the microglia, and the ependymal cells.
Astrocytes are star-shaped glial cells that interact...
The CNS glial cell includes the astrocytes, the oligodendrocytes, the microglia, and the ependymal cells.
Astrocytes are star-shaped glial cells that interact...
01:04Glial Cells
Overview