A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Lacrimal hamulus | |
---|---|
Details | |
Part of | lacrimal bone |
System | skeletal |
Identifiers | |
Latin | hamulus lacrimalis |
TA98 | A02.1.09.004 |
TA2 | 747 |
FMA | 57606 |
Anatomical terminology |
The lacrimal hamulus is a small, hook-like bony projection of the lacrimal bone. It is a continuation of the posterior lacrimal crest. It articulates with the lacrimal tubercle of the maxilla, and completes the upper orifice of the lacrimal canaliculus. It sometimes exists as a separate piece, and is then called the lesser lacrimal bone.
Structure
The lacrimal hamulus is a small, hook-like bony projection of the lacrimal bone.[1] It is a continuation of the posterior lacrimal crest of the lacrimal bone.[2] It articulates with the lacrimal tubercle of the maxilla.[2][3] This completes the upper orifice of the lacrimal canaliculus.
Relations
The lacrimal hamulus is usually around 9 mm from the infraorbital foramen, around 20 mm from the inferior orbital fissure, and around 31 mm from the beginning of the posterior lacrimal crest.[4]
Variation
The lacrimal hamulus develops from its own site of primary ossification of cartilage. Because of this, it sometimes exists as a separate piece, and is then called the lesser lacrimal bone.
See also
References
This article incorporates text in the public domain from page 164 of the 20th edition of Gray's Anatomy (1918)
- ^ Gupta, Nishi (2021), Gupta, Nishi (ed.), "Radiological Anatomy of the Lacrimal Drainage System", Endoscopic Dacryocystorhinostomy, Singapore: Springer, pp. 35–53, doi:10.1007/978-981-15-8112-0_4, ISBN 978-981-15-8112-0, S2CID 228890577, retrieved 2021-09-23
- ^ a b Chmielewski, Piotr Paweł (2021). "New Terminologia Anatomica: cranium and extracranial bones of the head". Folia Morphologica. 80 (3): 477–486. doi:10.5603/FM.a2019.0129. ISSN 1644-3284. PMID 31802475.
- ^ Gupta, Nishi (2021), Gupta, Nishi (ed.), "Anatomy of Lacrimal Drainage System", Endoscopic Dacryocystorhinostomy, Singapore: Springer, pp. 9–21, doi:10.1007/978-981-15-8112-0_2, ISBN 978-981-15-8112-0, S2CID 228907568, retrieved 2021-09-23
- ^ Ganesh, N. Praveen; Maity, Pushan; Raja, D. Alagar; Rao, R. V. M. Surya; Narayanamurthy, S.; Prasath, A. (2020-11-01). "Triangulating the ledge: radiographic study of the floor of orbit and derivation of a novel template". British Journal of Oral and Maxillofacial Surgery. 58 (9): e104–e108. doi:10.1016/j.bjoms.2020.07.016. ISSN 0266-4356. PMID 32800403. S2CID 221143195.
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