| CHS | central hypoventilation syndrome; Chediak-Higashi syndrome; cholinesterase; chondroitin sulfate; com... |
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| CIHS | central infantile hypotonic syndrome |
| CIN | central inhibition; cervical intraepithelial neoplasia; chronic interstitial nephritis |
| CIS | carcinoma in situ; catheter-induced spasm; central inhibitory state; Chemical Information Service; c... |
| CMB | carbolic methylene blue; Central Midwives' Board; chloromercuribenzoate |
| gastric canal | Furrow formed temporarily between longitudinal rugae of the gastric mucosa along the lesser curvature during swallowing; observed radiographically and endoscopically, it is formed because of the firm attachment of the gastric mucosa to the muscular layer, which is devoid of an oblique layer at this site; said to form a passageway favoured by saliva and small quantities of masticated food and other fluids as they flow from cardia to gastroduodenal junction. Synonym: canalis gastricus, canalis gastrici, magenstrasse. (05 Mar 2000) |
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| vein of pterygoid canal | A vein accompanying the nerve and artery through the pterygoid canal and emptying into the pharyngeal venous plexus. Synonym: vena canalis pterygoidei, vidian vein. (05 Mar 2000) |
| Velpeau's canal | A passage in the lower anterior abdominal wall which in the male allows passage of the spermatic cord and in the female contains the round ligament. Because of the weakness it creates in the abdominal wall, it is the most frequent site for a hernia. (12 Dec 1998) |
| mandibular canal | The canal within the mandible that transmits the inferior alveolar nerve and vessels. Its posterior opening is the mandibular foramen. Synonym: canalis mandibulae, inferior dental canal. (05 Mar 2000) |
| venous plexus of hypoglossal canal | A small venous network around the hypoglossal nerve, connecting with the occipital sinus, inferior petrosal sinus, and internal jugular vein. Synonym: plexus venosus canalis hypoglossi, circellus venosus hypoglossi, rete canalis hypoglossi. (05 Mar 2000) |
| geniculum of facial canal | The bend in the facial canal linking the medial and lateral crura of the horizontal port of the canal and corresponding to the location of the geniculate ganglion of the facial nerve. Synonym: geniculum canalis facialis. (05 Mar 2000) |
| genu of facial canal | A sharp bend in the facial canal where the geniculate ganglion is located. (05 Mar 2000) |
| marrow canal | The chamber of the dental pulp lying within the root portion of a tooth. Synonym: canalis radicis dentis, marrow canal, pulp canal. (05 Mar 2000) |
| vertebral canal | The canal that contains the spinal cord, spinal meninges, and related structures. It is formed by the vertebral foramina of successive vertebrae of the articulated vertebral column. Synonym: canalis vertebralis, spinal canal, tubus vertebralis. (05 Mar 2000) |
| carotid canal | A passage through the petrous part of the temporal bone from its inferior surface upward, medially, and forward to the apex where it opens into the foramen lacerum. It transmits the internal carotid artery and plexuses of veins and autonomic nerves. Synonym: canalis caroticus. (05 Mar 2000) |
| carpal canal | The passageway deep to the transverse carpal ligament between tubercles of the scaphoid and trapezoid bones on the radial side and the pisiform and hook of the hamate on the ulnar side, through which the median nerve and the flexor tendons of the fingers and thumb pass; compression of the median nerve may occur here (carpal tunnel syndrome). Synonym: canalis carpi, carpal canal. (05 Mar 2000) |
| vesicourethral canal | The cranial portion of the primitive urogenital sinus from which develop the urinary bladder and part of the urethra. (05 Mar 2000) |
| vestibular canal | The division of the spiral canal of the cochlea lying on the apical side of the spiral lamina and vestibular membrane. Synonym: vestibular canal. (05 Mar 2000) |
| vidian canal | An opening through the base of the medial pterygoid process of the sphenoid bone through which pass the artery, vein, and nerve of the pterygoid canal. Synonym: canalis pterygoideus, vidian canal. (05 Mar 2000) |
| caudal canal | The space occupied by the sacral extension of the epidural space. (05 Mar 2000) |