schlemm's canal
Học thuậtThân thiện
Definition
Noun: - A circular canal in the eye: Schlemm's canal is a specific anatomical structure. It is a circular, fluid-filled channel located at the junction between the cornea and the sclera (the white of the eye). - A drainage pathway for aqueous humor: Its primary function is to drain the aqueous humor, the clear fluid in the front part of the eye, from the anterior chamber. It channels this fluid into the anterior ciliary veins.
Usage
- Schlemm's canal is a crucial part of the eye's drainage system.
- Proper function of Schlemm's canal is essential for maintaining normal intraocular pressure.
- Blockage or impairment of Schlemm's canal can contribute to certain types of glaucoma.
Examples
Advanced Usage
- Canal of Schlemm: This is a common alternative name for the structure.
- In medical literature, it is often discussed in the context of trabecular meshwork, which is the porous tissue through which aqueous humor filters to reach Schlemm's canal.
Variants and Related Words
- Canal of Schlemm: A direct synonym.
- Sinus venosus sclerae: A less common, historical anatomical term.
- Aqueous humor: The fluid that Schlemm's canal drains.
- Trabecular meshwork: The adjacent filtering tissue.
Synonyms
- Canal of Schlemm
Notes
- Schlemm's canal is named after the German anatomist Friedrich Schlemm.
- It is a key structure in the conventional outflow pathway of the eye.
Noun
- a circular canal in the eye that drains aqueous humor from the anterior chamber of the eye into the anterior ciliary veins