| posterior canaliculus of chorda tympani | A canal leading from the facial canal to the tympanic cavity through which the chorda tympani nerve enters this cavity. Synonym: canaliculus chordae tympani, iter chordae posterius, small canal of chorda tympani. (05 Mar 2000) |
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| secretory canaliculus | See: intercellular canaliculus, intracellular canaliculus. (05 Mar 2000) |
| intercellular canaliculus | One of the fine channels between adjoining secretory cells, such as those between serous cells in salivary glands. (05 Mar 2000) |
| intracellular canaliculus | <cell biology> A fine canal formed by invagination of the cell membrane into the cytoplasm of a cell, such as those of the parietal cells of the stomach. (05 Mar 2000) |
| tympanic canaliculus | A minute canal passing from the inferior surface of the petrous portion of the temporal bone between the jugular fossa and carotid canal to the floor of the tympanic cavity. Located in the wedge of bone separating the jugular canal and carotid canal, it transmits the tympanic branch of the glossopharyngeal nerve. Synonym: canaliculus tympanicus, Jacobson's canal, tympanic canal. (05 Mar 2000) |
| external aperture of cochlear canaliculus | The external opening of the cochlear aqueduct on the temporal bone medial to the jugular fossa. Synonym: apertura externa canaliculi cochleae. (05 Mar 2000) |
| lacrimal canaliculus | A curved canal beginning at the lacrimal punctum in the margin of each eyelid near the medial commissure and running transversely medially to empty with its fellow into the lacrimal sac. Synonym: canaliculus lacrimalis. (05 Mar 2000) |
| ampulla canaliculi lacrimalis | A slight dilation at the angle of the lacrimal canaliculus immediately beyond the lacrimal punctum. Synonym: ampulla canaliculi lacrimalis. (05 Mar 2000) |
| ampulla ductus lacrimalis | Incorrect term for ampulla of lacrimal canaliculus. (05 Mar 2000) |
| apparatus lacrimalis | The tear-forming and tear-conducting system which includes the lacrimal glands, eyelid margins, conjunctival sac, and the tear drainage system. (12 Dec 1998) |
| arteria lacrimalis | <anatomy, artery> Origin, ophthalmic; distribution, lacrimal gland, lateral and superior rectus muscles, superior eyelid, forehead, and temporal fossa. Synonym: arteria lacrimalis. (05 Mar 2000) |
| ramus communicans nervi lacrimalis cum nervo zygomatico | <anatomy, nerve> Nerve branch by which postsynaptic parasympathetic (secretomotor) fibres from the pterygopalatine ganglion are transferred from the zygomatic nerve to the lacrimal nerve (heretofore purely sensory) for distribution to the lacrimal gland. Synonym: ramus communicans nervi lacrimalis cum nervo zygomatico. (05 Mar 2000) |
| papilla lacrimalis | A slight projection from the margin of each eyelid near the medial commisure, in the centre of which is the lacrimal punctum (opening of the lacrimal duct). Synonym: papilla lacrimalis. (05 Mar 2000) |
| vena lacrimalis | <anatomy, vein> Small vein which it drains the lacrimal gland, passing posteriorly through the orbit with the lacrimal artery to empty into the superior ophthalmic vein. Synonym: vena lacrimalis. (05 Mar 2000) |
| margo lacrimalis maxillae | The margin of the nasal surface of the maxilla that articulates with the lacrimal bone. Synonym: margo lacrimalis maxillae, lacrimal margin of maxilla. (05 Mar 2000) |