| ramus lobi medii arteriae pulmonalis dextrae | Middle lobe branch of right pulmonary artery. See: middle lobe branch. (05 Mar 2000) |
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| ramus lobi medii venae pulmonalis dextrae superioris | Middle lobe branch of right superior pulmonary vein. See: middle lobe branch. (05 Mar 2000) |
| ramus lumbalis arteriae iliolumbalis | <anatomy, artery> Terminal branch of iliolumbar artery (with iliac branch) which ascends to supply psoas major and quadratus lumborum muscles; anastomosis: fourth lumbar artery. Synonym: ramus lumbalis arteriae iliolumbalis. (05 Mar 2000) |
| ramus mandibulae | The upturned perpendicular extremity of the mandible on either side; it gives attachment on its lateral surface to the masseter muscle. Synonym: ramus mandibulae. (05 Mar 2000) |
| ramus marginalis mandibulae nervi facialis | <anatomy, nerve> Branch of facial nerve which parallels the mandibular margin innervating risorius muscle and muscles of lower lip and chin. Synonym: ramus marginalis mandibulae nervi facialis. (05 Mar 2000) |
| ramus marginalis tentorii arteriae carotidis internae | <anatomy, artery> A small branch from the cavernous part of the internal carotid artery to the free margin of the tentorium. Synonym: ramus marginalis tentorii arteriae carotidis internae. (05 Mar 2000) |
| ramus mastoideus arteriae occipitalis | <anatomy, artery> Mastoid branch of occipital artery, passing through the mastoid foramen; distribution, mastoid air cells; anastomosis, middle meningeal artery. Synonym: arteriae occipitalis, ramus mastoideus arteriae occipitalis, mastoid branch of occipital artery. (05 Mar 2000) |
| ramus meatus acustici interni | An alternate term for labyrinthine artery. (05 Mar 2000) |
| ramus medialis ductus hepatici sinistri | Medial branch of left hepatic duct. See: medial branches. (05 Mar 2000) |
| ramus medialis nervi supraorbitalis | Medial branch of supraorbital nerve. See: medial branches. (05 Mar 2000) |
| ramus medialis rami lobaris medii arteriorum pulmonalium dextrorum | Medial branch of middle lobar branch of right pulmonary artery. See: medial branches. (05 Mar 2000) |
| ramus medialis ramorum dorsalium nervorum cervicalium/thoracicorum/lumbalium/sacralium | Medial branch of dorsal primary rami of spinal nerves. See: medial branches. (05 Mar 2000) |
| ramus membranae tympani nervi auriculotemporalis | Sensory branch of the auriculotemporal nerve supplying the external surface of the tympanic membrane. Synonym: ramus membranae tympani nervi auriculotemporalis, nerve of tympanic membrane. (05 Mar 2000) |
| ramus meningeus accessorius arteriae meningeae mediae | <anatomy, artery> A branch of either the middle meningeal or maxillary artery in the infratemporal fossa and passing superiorly through the foramen ovale to supply the trigeminal ganglion, dura mater and inner table of bone. Synonym: ramus meningeus accessorius arteriae meningeae mediae. (05 Mar 2000) |
| ramus meningeus anterior arteriae vertebralis | Meningeal branch of the vertebral artery. (05 Mar 2000) |