NERVUS DEPRESSOR Meaning and
Definition
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Nervus depressor, also known as the depressor nerve or the depressor nerve of the eyelid, is a term mainly used in the field of ophthalmology and neuroanatomy. It refers to a sensory nerve located near the eye that plays a vital role in the regulation of eyelid movements and sensation.
The nervus depressor originates from the ophthalmic division of the trigeminal nerve, one of the major cranial nerves. It courses along the medial aspect of the orbit and supplies sensory innervation to the skin and conjunctiva of the lower eyelid. Additionally, it contains sensory fibers that transmit pain and touch sensations from the lower eyelid to the brain.
The primary function of the nervus depressor is to transmit sensory information from the region of the lower eyelid to the brain, enabling the perception of pain, pressure, and touch. It also plays a role in the regulation of eyelid movements, influencing the coordination and control of blinking. Dysfunction or damage to the nervus depressor can result in various clinical manifestations, including altered or diminished eyelid sensation, abnormal blinking patterns, and potential discomfort or pain in the lower eyelid area.
In summary, the nervus depressor is an important nerve in the ophthalmic region, responsible for sensory innervation and modulation of eyelid movements. Its proper functioning is crucial for maintaining optimal eye health and normal sensory perception in the lower eyelid region.
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Depressor nerve, the cardiac branch of the n. vagus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for NERVUS DEPRESSOR
- bervus depressor
- mervus depressor
- jervus depressor
- hervus depressor
- nwrvus depressor
- nsrvus depressor
- ndrvus depressor
- nrrvus depressor
- n4rvus depressor
- n3rvus depressor
- neevus depressor
- nedvus depressor
- nefvus depressor
- netvus depressor
- ne5vus depressor
- ne4vus depressor
- nercus depressor
- nerbus depressor
- nergus depressor
- nerfus depressor
Etymology of NERVUS DEPRESSOR
The word "nervus depressor" originates from Latin.
"Nervus" means "nerve" in Latin, which is derived from the Proto-Indo-European root *sneygwh- meaning "tendon, sinew". It has evolved through different languages with similar meanings, such as Old English "næfre" and Old High German "nerv".
"Depressor" comes from Latin "depressus", the past participle of the verb "deprimere", which means "to press down" or "to depress". It is a combination of the prefix "de-" meaning "down" and "premere" meaning "to press".
When combined, "nervus depressor" refers to a nerve or sensory organ that can cause a sensation of depression or downward pressure.
