Pterygoid canal
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| Pterygoid canal | |
|---|---|
 | |
| Base of skull. Inferior surface. (Sphenoid is yellow.) | |
 | |
| Sphenoid bone. Anterior and inferior surfaces. (Pterygoid c. labeled at center left.) | |
| Latin | c. pterygoideus |
| Gray's | subject #46 180 |
| Artery | artery of the pterygoid canal |
| Nerve | nerve of pterygoid canal |
| Dorlands/Elsevier | c_04/12208798 |
The pterygoid canal (also vidian canal) is a passage in the skull leading from just anterior to the foramen lacerum in the middle cranial fossa to the pterygopalatine fossa.
Contents |
Structure
The pterygoid canal runs through the medial pterygoid plate of the sphenoid bone to the back wall of the pterygopalatine fossa.
Contents
It transmits the nerve of pterygoid canal and artery of the pterygoid canal.
Additional images
 Medial wall of left orbit. |
External links
- SUNY Figs 22:4b-08
- Pterygoid+canal at eMedicine Dictionary
- Norman/Georgetown cranialnerves (VII)
 | This musculoskeletal system article is a stub. You can help WikiDoc by expanding it. |
Foramina of the skull (and canals, fissures, meati, and hiati) | |
|---|---|
| Anterior cranial fossa | to Orbit: ethmoidal foramina (anterior, posterior) to Nasal cavity: olfactory foramina (CN-I) - foramen cecum |
| Middle cranial fossa | to Orbit: optic canal (CN-II) - superior orbital fissure (CN-III,IV,V1,VI)
to Pterygopalatine fossa: foramen rotundum (CN-V2) - pterygoid canal to Infratemporal fossa: foramen ovale (CN-V3) - foramen spinosum/carotid canal other: foramen lacerum - hiatus for greater petrosal nerve - hiatus for lesser petrosal nerve - sphenoidal emissary foramen |
| Posterior cranial fossa | internal auditory meatus/facial canal/stylomastoid foramen (CN-VII,VIII) - jugular foramen (CN-IX,X,XI) - foramen magnum (CN-XI) - hypoglossal canal (CN-XII) - condylar canal - mastoid foramen |
| Orbit | to Nasal cavity: nasolacrimal canal to Face: supraorbital (notch, foramen) - infraorbital (foramen, groove) - zygomatic foramen (-facial, -temporal) to Pterygopalatine fossa: inferior orbital fissure |
| Pterygopalatine fossa | to Nasal cavity: sphenopalatine foramen
to Oral cavity: greater palatine canal/greater palatine foramen - lesser palatine canals/lesser palatine foramina to Infratemporal fossa: pterygomaxillary fissure to Nasopharynx: palatovaginal canal |
| Nasal cavity | to Oral cavity: incisive canals - incisive foramen |
| Other | external acoustic meatus - mandibular foramen - mental foramen - parietal foramen - petrotympanic fissure - semilunar hiatus |
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
