Rod sheath
Rod sheath is a term used in neuroscience to describe a specific structure found in the retina of the eye. The rod sheath is a part of the Müller glial cells, which are a type of glial cell found in the retina. These cells play a crucial role in maintaining the health and function of the neurons in the retina, including the rod cells, which are responsible for vision in low light conditions.
Etymology
The term "rod sheath" is derived from the structure's association with rod cells and its sheath-like appearance. The word "rod" refers to the rod cells, which are one of the two types of photoreceptor cells in the retina (the other being the cone cells). The word "sheath" is used to describe the structure's appearance, as it wraps around the rod cells much like a sheath would wrap around a sword.
Structure and Function
The rod sheath is a part of the Müller glial cells, which are a type of glial cell found in the retina. These cells extend from the inner to the outer layers of the retina, and their processes wrap around the rod cells, forming the rod sheath. The rod sheath serves to isolate the rod cells from each other, which is thought to help prevent the spread of electrical signals between adjacent cells. This isolation is important for the function of the rod cells, as it allows them to respond independently to light, which is crucial for vision in low light conditions.
Related Terms
- Müller glial cells: A type of glial cell found in the retina that plays a crucial role in maintaining the health and function of the neurons in the retina.
- Rod cells: One of the two types of photoreceptor cells in the retina, responsible for vision in low light conditions.
- Cone cells: The other type of photoreceptor cell in the retina, responsible for color vision and vision in bright light conditions.
- Glial cells: Non-neuronal cells in the nervous system that support and protect neurons.
See Also
Transform your life with W8MD's budget GLP-1 injections from $125.
W8MD offers a medical weight loss program to lose weight in Philadelphia. Our physician-supervised medical weight loss provides:
- Most insurances accepted or discounted self-pay rates. We will obtain insurance prior authorizations if needed.
- Generic GLP1 weight loss injections from $125 for the starting dose.
- Also offer prescription weight loss medications including Phentermine, Qsymia, Diethylpropion, Contrave etc.
NYC weight loss doctor appointments
Start your NYC weight loss journey today at our NYC medical weight loss and Philadelphia medical weight loss clinics.
- Call 718-946-5500 to lose weight in NYC or for medical weight loss in Philadelphia 215-676-2334.
- Tags:NYC medical weight loss, Philadelphia lose weight Zepbound NYC, Budget GLP1 weight loss injections, Wegovy Philadelphia, Wegovy NYC, Philadelphia medical weight loss, Brookly weight loss and Wegovy NYC
|
WikiMD's Wellness Encyclopedia |
| Let Food Be Thy Medicine Medicine Thy Food - Hippocrates |
Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates, categories Wikipedia, licensed under CC BY SA or similar.
Contributors: Prab R. Tumpati, MD
