canales

canalicular (kan-a-lik'ū-lär), a. [L. canal i culus, dim. of canal is, a channel: see can all, n., channel.] 1. In an at. and zoöl., resembling a small canal; canal-shaped. A dividing of the mesoderm occurs, which takes the form either of canalicular cavities, or of a complete splitting of the mesoderm into an outer plate attached to the ectoderm, and an inner one attached to the endoderm. Gegenbaur, Comp. Anat. (trans.), p. 50. canal is 2. Of or pertaining to canaliculi; canaliculate. The reticulated ti ue of Lover is then seen to be a system of canals, which is but a modified form of the can a licular spaces of the spines. Jour . Roy . Micros. Soc., 2d ser., VI. 80. Canalicular absce , an absce of the breast which communicates with the lactiferous ducts. canaliculate, canaliculated (kan-a-lik'ū-lāt, -la-ted), a. [L. canaliculatus, canaliculus (kan-a-lik'ū-lus), n.; pl. canaliculi (-li). [L., dim. of canal is, a channel: see channell, can all, n.] In an at. and zoöl., a little groove, furrow, pipe, tube, or other small channel. The canaliculi which originate in one lacuna most fre quently run into a neighboring lacuna, or else into a neighboring Havers i an canal. H. Gray, Anat., p. 46. Canaliculi biliferi, the bile-ducts. - Canaliculi calcophori, See calcophorous. - Canaliculi caroticotympanici, two or three short canals leading from the carotid canal into the tympanum and transmitting branches of the carotid plexus. - Canaliculi dentium, the minute canals of the dentine. - Canaliculi lacrymales, the lacrymal canals, small tubes beginning at the puncta lacry. malis, and opening into the lacrymal sac either separately or by a common opening. - Canaliculi of bone, the microscopic branching tubules radiating from the lacunæ of bone, and connecting one lacuna with another. Cad naliculi petrosi, two very small canals, or in IMG:content-3010.png:[graphic] IMG:content-3011.png:[blocks in formation] poral bone, Microscopical Structure of Bone, magnified about 600 diameters. c, c, bone-corpuscles in their lacune; d, d, ca naliculi of bone. transmitting the large and small superficial petrosal nerves. - Canaliculi vasculosi, the nutritious and Havers i an canals of bone. Canaliculus pharyngeus, a groove on the under surface of the vaginal proce of the pterygoid proce of the sphenoid bone, more or le completely converted into a canal by the sphenoid proce of the palatine bone. It transmits the ptery go palatine ve els and the pharyngeal or pterygopalatine nerve. Also called pterygopalatine canal. - Canaliculus pterygopalatinus, sphenopalatinus, sphenopharyngeus. Same as canaliculus pharyngeus. - Canaliculus tympanic us, the minute canal in the petrous portion of the temporal bone which transmits Jacob son's nerve. Can a lifer a (kan-a-lif'e-rä), n. pl. [NL., neut. pl. of can a lifer us: see can a lifer ous.] A family of gastropods, characterized by the extension of the anterior extremity of the shell and mouth into a canal-like spout. It was formed by Lamarck (1809) for the genera Cerithium, Turbinella, Fasciola ria, Pyrula, Fusus, Murex, and Pleurotoma, which have been accepted by modern conchologists as types of different families. [Obsolete.]