INCISURA LACRIMALIS Meaning and
Definition
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Incisura lacrimalis is a term used in anatomy to refer to a small notch or groove in the lateral wall of the orbit, specifically in the lacrimal bone. This bone is located in the medial portion of the eye socket.
The incisura lacrimalis serves as a landmark for various structures related to the eye and tear production. It is an important anatomical feature as it provides passage and support for the lacrimal apparatus, which includes the lacrimal gland, lacrimal sac, and nasolacrimal duct.
The lacrimal gland is responsible for producing tears, while the lacrimal sac and nasolacrimal duct help drain these tears into the nose. The incisura lacrimalis acts as a point of attachment for the lacrimal fascia, a thin connective tissue layer that contributes to the support and functioning of the lacrimal apparatus.
This anatomical structure is also significant in the field of ophthalmology as it can be involved in certain conditions such as nasolacrimal duct obstruction, where tears are unable to properly drain causing tearing or watering of the eyes.
In summary, the incisura lacrimalis is a small notch in the lacrimal bone that serves as a landmark for important structures involved in tear production and drainage. Understanding its location and function is essential in the study of eye anatomy and related clinical conditions.
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Lacrymal notch, the notch on the internal margin of the orbital surface of the maxilla which receives the lacrymal bone.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for INCISURA LACRIMALIS
- uncisura lacrimalis
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Etymology of INCISURA LACRIMALIS
The word "incisura lacrimalis" is derived from two Latin terms: "incisura" and "lacrima".
1. Incisura: The term "incisura" comes from the Latin word "incisus", which means "cut" or "incision". It is derived from the verb "incidere", meaning "to cut into". In anatomy, "incisura" typically refers to a notch or indentation in a bone or structure.
2. Lacrima: The term "lacrima" is derived from the Latin word "lacrimā", which translates to "tear". It refers to the fluid secreted by the tear glands.
