| SNR | selective nerve root [block]; signal-to-noise ratio; substantia nigra zona reticulata; supernumerary... |
|---|---|
| SNRB | selective nerve root block |
| SRT | sedimentation rate test; simple reaction time; sinus node recovery time; sitting root test; speech r... |
| VR | right arm [electrode]; valve replacement; variable ratio; vascular resistance; venous reflux; venous... |
| VRP | ventral root potential |
| A-V canal | The canal in the embryonic heart leading from the common sinuatrial chamber to the ventricle. (05 Mar 2000) |
|---|---|
| basipharyngeal canal | An opening between the vaginal process of the sphenoid and the ala of the vomer on either side. It conveys a branch of the sphenopalatine artery. Synonym: canalis vomerovaginalis, basipharyngeal canal, vomerine canal. (05 Mar 2000) |
| Bernard's canal | The excretory duct of the head of the pancreas, one branch of which joins the pancreatic duct, the other opening independently into the duodenum at the lesser duodenal papilla. Synonym: ductus pancreaticus accessorius, Bernard's canal, Bernard's duct, ductus dorsopancreaticus, Santorini's canal, Santorini's duct. (05 Mar 2000) |
| Bichat's canal | <anatomy, vein> An expansion of the subarachnoid space extending forward between the corpus callosum and the thalamus; it encloses the internal cerebral veins which caudally join to form the vena magna cerebri (Galen's vein). Synonym: ambient cistern, Bichat's canal, Bichat's foramen, cistern of great vein of cerebrum, cisterna ambiens, cisterna superioris, cisterna venae magnae cerebri, superior cistern. (05 Mar 2000) |
| birth canal | Cavity of the uterus and vagina through which the foetus passes. Synonym: parturient canal. (05 Mar 2000) |
| blastoporic canal | An obsolete term for primitive pit. (05 Mar 2000) |
| Bottcher's canal | A duct that connects the inner aspect of the utricle with the endolymphatic duct a short distance from its origin from the saccule. Synonym: ductus utriculosaccularis, Bottcher's canal. (05 Mar 2000) |
| Braune's canal | The parturient canal formed by the uterine cavity, dilated cervix, vagina, and vulva. (05 Mar 2000) |
| canal | A duct or channel; a tubular structure. A canal or channel. See: canal, duct. Synonym: canalis. Origin: L. Canalis (05 Mar 2000) |
| canal of Guyon | Passageway through the transverse carpal ligament by which the ulnar nerve and artery enter the palm; it is closely related to the pisiform and the hook of the hamate. (05 Mar 2000) |
| canal of Hering | A ductule occurring between a bile canaliculus and an interlobular bile duct. Synonym: canal of Hering. Origin: chol-+ G. Angeion, vessel, + -ole, small (05 Mar 2000) |
| canal of Hovius | An anastomotic circle between the anterior twigs of the venae vorticosae in the eyes of some animals, but not in normal human eyes. (05 Mar 2000) |
| canal of Nuck | A peritoneal diverticulum in the embryonic lower anterior abdominal wall that traverses the inguinal canal; in the male it forms the tunica vaginalis testis and normally loses its connection with the peritoneal cavity; a persistent processus vaginalis in the female is known as the canal of Nuck. Synonym: Nuck's diverticulum, processus vaginalis peritonei, vaginal process of peritoneum, vaginal process of testis. (05 Mar 2000) |
| palatovaginal canal | On the undersurface of the vaginal process of the sphenoid bone, a furrow that is converted into a canal by the sphenoidal process of the palatine bone; it transmits the pharyngeal branch of the maxillary artery and the pharyngeal nerve from the pterygopalatine ganglion. Synonym: canalis palatovaginalis, palatovaginal canal. (05 Mar 2000) |
| van Horne's canal | <anatomy> The major efferent lymph duct into which lymph from most of the peripheral lymph nodes drains. Recirculating lymphocytes that have left the circulation in the lymph node return to the blood through the thoracic duct. (18 Nov 1997) |