Mindblown: a blog about philosophy.
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Incisive canal
A short canal in the maxillary bone leading from the incisive fossa in the roof of the mouth to the floor of the nasal cavity. It transmits the nasopalatine nerve and the branches of the greater palatine arteries to the nasal fossa.
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Gastric canal
A longitudinal groove on the inner surface of the stomach following the lesser curvature. It extends from the esophagus to the pylorus.
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Facial canal
Canalis facialis; a canal in the internal acoustic meatus of the temporal bone that transmits the facial nerve.
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Ethmoidal canal
One of two grooves running transversely across the lateral mass of the ethmoid bone to the cribriform plate and lying between the ethmoid and frontal bones. The anterior ethmoidal canal transmits the anterior ethmoidal vessels and the nasociliary nerve; the posterior ethmoidal canal transmits the posterior ethmoidal vessels and nerve.
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Craniopharyngeal canal
A canal in the fetal sphenoid bone that contains the stalk of Rathke’s pouch.
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Central canal of spinal cord
Canalis centralis; a small canal in the center of the spinal cord extending from the fourth ventricle to the conus medullaris. It contains cerebrospinal fluid.
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Carotid canal
A canal in the petrous portion of the temporal bone that transmits the internal carotid artery and the interior carotid plexus of sympathetic nerves.
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Bony semicircular canal
One of several canals located in the bony labyrinth of the internal ear and enclosing the three semicircular ducts (superior, posterior, and lateral) that open into the vestibule. They are enclosed within the petrous portion of the temporal bone.
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Alveolar canal
One of several canals in the maxilla that transmit the posterior superior alveolar blood vessels and nerves to the upper teeth.
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Alimentary canal
The digestive tract from the mouth through the anus.
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