| lateral umbilical fold | The ridge on the peritoneal surface of the anterior abdominal wall formed by the inferior epigastric vessels. Synonym: plica umbilicalis lateralis, epigastric fold, plica epigastrica. (05 Mar 2000) |
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| lateral umbilical ligament | An old name for ligamentum umbilicale mediale. Synonym: lateral umbilical ligament. (05 Mar 2000) |
| left umbilical vein | <anatomy, vein> The vein that returns the blood from the placenta to the foetus; traversing the umbilical cord, it enters the foetal body at the umbilicus and passes thence into the liver, where it is joined by the portal vein; its blood then flows by way of the ductus venosus and the inferior vena cava to the right atrium. Synonym: vena umbilicalis sinistra. (05 Mar 2000) |
| anterior intercostal arteries | One of the arteries supplying the anterior portions of the intercostal spaces of the thoracic wall. Anterior intercostal arteries 1-6 arise as branches of the internal thoracic artery; 7-11 arise as branches of the musculophrenic artery. Synonym: rami intercostales anteriores, rami intercostalis anteriores arteria thoracica interna. (05 Mar 2000) |
| anterior labial arteries | The anterior labial branches, branches of the external pudendal artery to the labium majus. Synonym: rami labiales anteriores arteriae pudendae externae, arteriae labiales anteriores. (05 Mar 2000) |
| anterior mediastinal arteries | <anatomy, artery> Small twigs supplying anterior mediastinal structures: mainly thymus and lymph nodes. Synonym: rami mediastinales arteriae thoracicae internae, rami thymici, anterior mediastinal arteries, arteriae thymicae, thymic arteries. (05 Mar 2000) |
| anterior superior alveolar arteries | Origin, infraorbital artery within intraorbital canal; distribution, via anterior alveolar canals to upper incisors and canine teeth, mucus membrane of maxillary sinus. Synonym: arteriae alveolares superiores anteriores, anterior superior dental arteries. (05 Mar 2000) |
| anterior superior dental arteries | Origin, infraorbital artery within intraorbital canal; distribution, via anterior alveolar canals to upper incisors and canine teeth, mucus membrane of maxillary sinus. Synonym: arteriae alveolares superiores anteriores, anterior superior dental arteries. (05 Mar 2000) |
| anterolateral central arteries | Numerous small branches from the sphenoidal part of the middle cerebral arteries supplying the lateral and anterior parts of the corpus striatum. Synonym: arteriae centrales anterolaterales, arteriae thalamostriatae anterolaterales, anterolateral central arteries, anterolateral striate arteries, anterolateral thalamostriate arteries, arteries of cerebral haemorrhage, lenticulostriate arteries. (05 Mar 2000) |
| anterolateral striate arteries | Numerous small branches from the sphenoidal part of the middle cerebral arteries supplying the lateral and anterior parts of the corpus striatum. Synonym: arteriae centrales anterolaterales, arteriae thalamostriatae anterolaterales, anterolateral central arteries, anterolateral striate arteries, anterolateral thalamostriate arteries, arteries of cerebral haemorrhage, lenticulostriate arteries. (05 Mar 2000) |
| anterolateral thalamostriate arteries | Numerous small branches from the sphenoidal part of the middle cerebral arteries supplying the lateral and anterior parts of the corpus striatum. Synonym: arteriae centrales anterolaterales, arteriae thalamostriatae anterolaterales, anterolateral central arteries, anterolateral striate arteries, anterolateral thalamostriate arteries, arteries of cerebral haemorrhage, lenticulostriate arteries. (05 Mar 2000) |
| anteromedial central arteries | Several small branches of the precommunical part of the anterior cerebral artery; they are distributed to the anteromedial part of the corpus striatum part of the thalamus. Synonym: arteriae centrales anteromediales, arteriae thalamostriatae anteromediales, anteromedial thalamostriate arteries. (05 Mar 2000) |
| anteromedial thalamostriate arteries | Several small branches of the precommunical part of the anterior cerebral artery; they are distributed to the anteromedial part of the corpus striatum part of the thalamus. Synonym: arteriae centrales anteromediales, arteriae thalamostriatae anteromediales, anteromedial thalamostriate arteries. (05 Mar 2000) |
| arciform arteries | arcuate arteries of kidney |
| arcuate arteries of kidney | Curved arteries at the corticomedullary border, arising from interlobar arteries and giving rise to interlobular arteries. Synonym: arteriae arcuatae renis. (05 Mar 2000) |