Bony ridge on the orbital surface of the lacrimal bone
Posterior lacrimal crest
Left lacrimal bone. Orbital surface. Enlarged. (Posterior lacrimal crest visible but not labeled.)
Details
Part of
lacrimal bone
System
skeletal
Identifiers
Latin
crista lacrimalis posterior
TA98
A02.1.09.002
TA2
745
FMA
57609
Anatomical terms of bone
[edit on Wikidata]
The posterior lacrimal crest is a vertical bony ridge on the orbital surface of the lacrimal bone. It divides the bone into two parts. It gives origin to the lacrimal part of the orbicularis oculi muscle.
and 29 Related for: Posterior lacrimal crest information
The posteriorlacrimalcrest is a vertical bony ridge on the orbital surface of the lacrimal bone. It divides the bone into two parts. It gives origin...
a vertical ridge, the posteriorlacrimalcrest, into two parts. In front of this crest is a longitudinal groove, the lacrimal sulcus (sulcus lacrimalis)...
to the position of the lacrimal sac. The anterior lacrimalcrest is much thicker and stronger than the posteriorlacrimalcrest. It is one of the thickest...
the lacrimal bone. The sac is surrounded by fascia, continuous with the periorbita, which runs from the anterior to the posteriorlacrimalcrests. Beare...
attached to the posterior lacrimalcrest. The medial palpebral ligament consists of a superficial (anterior) and a deep (posterior) layer. The superficial...
protrusion from a bone can be called a number of terms, including a "condyle", "crest", "spine", "eminence", "tubercle" or "tuberosity", depending on the protrusion's...
anterior with the nasal; the posterior border is thick, and hollowed into a groove, which is continuous below with the lacrimal groove on the nasal surface...
ganglion. Postsynaptic fibers of the greater petrosal nerve innervate the lacrimal gland. In the tympanic segment, the facial nerve runs through the tympanic...
It arises from the posteriorcrest and adjacent part of the orbital surface of the lacrimal bone, and passing behind the lacrimal sac, divides into two...
these, the anterior or lacrimal process is small and pointed and is situated at the junction of the anterior fourth with the posterior three-fourths of the...
It is separated from the posterior cranial fossa by the clivus and the petrous crest. It is bounded in front by the posterior margins of the lesser wings...
jugal bone is pneumatised. The lacrimal is I-shaped. It has an ascending branch forming the vertical rear edge of the crest; due to the triangular cross-section...
maxilla articulates with nine bones: frontal, ethmoid, nasal, zygomatic, lacrimal, and palatine bones, the vomer, the inferior nasal concha, as well as the...
the premaxillae and were mainly formed by the upwards expanded nasal and lacrimal bones. These bones were coossified together (fusion during bone tissue...
separated from the medial palpebral ligament, attaches to the lacrimal bone at its posteriorcrest. The medial ligament and its much weaker lateral counterpart...
below, the vertical part of the palatine behind, and a small part of the lacrimal above and in front. The sinus communicates through an opening into the...
infratemporal crest, serves as an attachment to the lateral pterygoid muscle. It is pierced by the foramen ovale and foramen spinosum, and at its posterior part...
Acrocanthosaurus have enlarged lacrimalcrests, whose purpose is unknown. Paleontologist Daniel Chure hypothesized that these crests were used for "head-butting"...
basioccipital, one anterior and one posterior, and one between basisphenoid and otoccipital in the basal tuber. A pair of crests runs between the quadrate and...
muscle counts and other information. Skeletal muscle maps Anterior view Posterior view A more detailed overview The muscles are described using anatomical...
significant section of the lateral wall of the snout and contacts the lacrimal and jugal posteriorly. Formina perforates the maxilla, especially in the area of the...
epiphyses, and there is a well-developed deltopectoral crest projecting anteriorly. On the outer posterior margin of the humerus, a conspicuous ridge runs downwards...
fenestra and the maxillary fenestra. At its posterior end, the maxilla articulates with the jugal and the lacrimal.: 37 : 139–140 mandible The mandible, or...
nasal notch that articulates with the nasal bones inferiorly, and with the lacrimal and maxilla bones laterally. The border of the squamous part is thick,...