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The foramen lacerum (Latin: lacerated piercing) is a triangular hole in the base of skull. It is located between the sphenoid bone , the apex of the petrous part of the temporal bone , and the basilar part of the occipital bone .
At the foramen lacerum, it unites with the (sympathetic) deep petrosal nerve, forming the nerve of the pterygoid canal (which continues anterior-ward through the pterygoid canal to reach the pterygopalatine fossa and form the pterygopalatine ganglion).
Apical foramen, the opening at the tip of the root of a tooth; Foramen ovale (heart), an opening between the venous and arterial sides of the fetal heart; Foramen transversarium, one of a pair of openings in each cervical vertebra, in which the vertebral artery travels; Greater sciatic foramen, a major foramen of the pelvis
The pterygoid canal (also vidian canal) is a passage in the sphenoid bone of the skull leading from just anterior to the foramen lacerum in the middle cranial fossa to the pterygopalatine fossa.
The nerve of the pterygoid canal (Vidian nerve) is formed by the union of the (parasympathetic) greater petrosal nerve and (sympathetic) deep petrosal nerve within the cartilaginous substance filling the foramen lacerum. From the foramen lacerum, the nerve of the pterygoid canal passes through the pterygoid canal to reach the pterygopalatine ...
Lateral to the foramen ovale is the foramen spinosum, for the passage of the middle meningeal vessels, and a recurrent branch from the mandibular nerve. Medial to the foramen ovale is the foramen lacerum ; in the fresh state the lower part of this aperture is filled up by a layer of fibrocartilage , while its upper and inner parts transmit the ...
Foramen lacerum; Foramen rotundum; Foramen magnum; Foramen ovale; Jugular foramen; ... Base of skull - crista galli, cribriform plate and foramen cecum. Base of skull ...
foramen rotundum: middle cranial fossa: pterygoid canal (Vidian) middle cranial fossa, foramen lacerum: palatovaginal canal (pharyngeal) nasal cavity/nasopharynx: Anteriorly: inferior orbital fissure: orbit: Medially: sphenopalatine foramen: nasal cavity: Laterally: pterygomaxillary fissure: infratemporal fossa: Inferiorly: greater palatine ...