camphor

2 parts; Any tubular and Arantius, the duct us venosus. arch i nephric c., the duct of the arch i nephron or primitive kidney. Arnold’s c., a pa age in the petrous portion of the temporal bone for the auricular branch of the pneumogastric nerve. rial c., the duct us arteriosus. atrial c., the space within the atrium. auditory c., external, the pa age from the external meatus of the ear to the membrana tympani. auditory c., internal, a pa age in the petrous bone for the auditory and facial nerves and auditory blood ve els. auricular c. 1. The external auditory canal. 2. The constriction between the auricular and ventricular portions of the fetal heart. avant c., the distal portion of the male urethra. Bartholin’s c., the duct of Bartholin’s gland. Bernard's c., a supplementary pancreatic duct. Bichat’s c., the arachnoid canal. biliary interlobular c’s, the interlobular network of bileducts in and around the hepatic cells. -C., the canal through which the child pa es in birth, formed by the cervix uteri, vagina, and vulva. blastoporic c., a temporary pa age in the embryo at the end of the primitive axis: it is a relic of the notochordal canal. c. of bone, a canaliculus in a bone. c’s (of ear). See canal, semicircular. Braun's c., the neurenteric canal. Braune’s c., the uterine cavity and the vagina together after the os is fdlly dilated in labor. Breschet’s c., the canal of the diploé. bullular c., the canal of Petit. calciferous c’s, canals containing lime salts in cartilage that is undergoing calcification. caroticotympanic c’s, two or more short pa ages from the carotid canal to the tympanum, transmitting branches of the carotid plexus. carotid c., a pa age in the petrous bone for the internal carotid artery and the carotid plexus. c’s of cartilage, canals in an o ifying cartilage during its stage of vascularization. central c. for chorda tympani, a pa age in the petrous bone for the chorda tympani. central c. of the modiolus, runs lengthwise through the modiolus of the cochlea, and transmits the central artery and nerve of that structure. central c. of the myelon, extends the whole length of the spinal cord, and is filled with cerebrospinal fluid. central c. of vitreous (or of Stilling), a pa age running from the optic disk to the lens of the eye: in the fetus it transmits the hyaloid artery. cerebrospinal c. 1. The space which contains the brain and spinal cord. 2. The primitive cavity of the brain and spinal cord. cervical c., the canal of the cervix uteri. ciliary c., a ring of spaces in the sclera, in front of its attachment to the iris. Cloquet's c. Same as central c. of vitreous. cochlear c., the scala vegtibuli and scala tympani together. condylar c., a pa age in the condylar portion of the occipital bone for the hypoglo al nerve: it opens into the anterior condyloid foramen. connecting c., the arched or coiled part of a uriniferous tubule, joining it to a collecting tubule. c. of Corti, a space between the outer and inner rods of Corti. c. of Cotunnius, the aqueduct of Cotunnius. craniopharyngeal c., a pa age in the embryo and fetus, between the pharyngeal cavity and the anterior lobe of the pituitary body. craniovertebral c., the cerebrospinal canal; also called cranioneural canal. crural c. Same as femoral c. c. of Cuvier, the duct us venosus. cystic c., the cystic duct. c. of de Candolle. Same as medullary c. deferent c., the vas deferens. demicircularc. Same as semicircular c. dentinal c’s, minute channels in dentin, extending from the pulp-cavity to the cement and enamel. descending palatine c., the pal a to maxillary canal. digestive c. See alimentary c. diploétic c’s, canals of the diploé for Breschet’s veins. Grainage-c., a pa age formed by perforation, or by the invagination of the skin, for wound drainage. ejaculatoryc. See duct, ejaculatory. entodermal c., the yolk-space that develops into the archenteron. c. of the epi-