| Breschet's canals | Channels in the diploe that accommodate the diploic veins. Synonym: canales diploici, Breschet's canals. (05 Mar 2000) |
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| canals for lesser palatine nerves | Canalis's located in the posterior part of the palatine bone. Synonym: canales palatini minores. (05 Mar 2000) |
| canals of Scarpa | Separate canals for the nasopalatine nerves and vessels. These canals normally fuse to form the incisive canal. (05 Mar 2000) |
| galactophorous canals | The ducts, numbering 15 or 20, which drain the lobes of the mammary gland; they open at the nipple. Synonym: ductus lactiferi, canalicular ducts, galactophore, galactophorous canals, galactophorous ducts, mamillary ducts, mammary ducts, milk ducts, tubuli galactophori, tubuli lactiferi. (05 Mar 2000) |
| Volkmann's canals | Vascular canal's in compact bone that, unlike those of the haversian system, are not surrounded by concentric lamellae of bone; they run for the most part transversely, perforating the lamellae of the haversian system, and communicate with the canal's of that system. (05 Mar 2000) |
| Rivinus' canals | See: major sublingual duct, minor sublingual ducts. (05 Mar 2000) |
| Petit's canals | The spaces between the fibres of the ciliary zonule at the equator of the lens of the eye. Synonym: spatia zonularia, Petit's canals. (05 Mar 2000) |
| ciliary canals | Irregularly shaped endothelium-lined spaces within the trabecular reticulum, through which the aqueous filters to reach the sinus venosus sclerae. Synonym: spatia anguli iridocornealis, ciliary canals, Fontana's spaces. (05 Mar 2000) |
| Walther's canals | From 8 to 20 small ducts of the sublingual salivary gland that open into the mouth on the surface of the sublingual fold; a few join the submandibular ducts. Synonym: ductus sublinguales minores, Rivinus' ducts, Walther's canals, Walther's ducts. (05 Mar 2000) |
| pleuropericardial canals | In the embryo, spaces or channels, one on each side, connecting the pericardial and pleural cavities. (05 Mar 2000) |
| portal canals | Connective tissue spaces in the substance of the liver that are occupied by preterminal ramifications of the bile ducts, portal vein, and hepatic artery, as well as nerves and lymphatics. (05 Mar 2000) |
| posterior saemicircular canals | The three bony tubes in the labyrinth of the ear within which the membranous saemicircular ducts are located; they lie in planes at right angles to each other and are known as anterior saemicircular canal, posterior saemicircular canal, and lateral saemicircular canal. Synonym: canales saemicirculares ossei. (05 Mar 2000) |
| crura of bony saemicircular canals | The extremities of the bony saemicircular canals in which the corresponding membranous limbs of the saemicircular ducts are located; they are the common bony crus, simple bony crus, and ampullary bony crus. Synonym: crura ossea canalium saemicircularium, limbs of bony saemicircular canals. (05 Mar 2000) |
| haversian canals | <anatomy> The small Vascular canal's that run longitudinally in the centre of haversian systems of compact osseous tissue, through which the blood vessels ramify in bone. Synonym: Leeuwenhoek's canals. (05 Mar 2000) |
| saemicircular canals | Three long canals (anterior, posterior, and lateral) of the labyrinth. They are set at right angles to each other and are situated superior and posterior to the vestibule. (12 Dec 1998) |