| lateral crus of horizontal part of the facial canal | Laterally-placed, posteriorly-directed second portion of the horizontal part of the facial canal. See: horizontal part of facial canal. Synonym: lateral crus of horizontal part of the facial canal. (05 Mar 2000) |
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| lateral crus of the greater alar cartilage of the nose | Portion of cartilage extending laterally and posteriorly in a wing-like fashion, supporting the wing of the nose and keeping the nostril patent. Synonym: crus laterale cartilaginis alaris majoris. (05 Mar 2000) |
| lateral crus of the superficial inguinal ring | Portion of the external oblique aponeurosis which passes lateral to the superficial inguinal ring blending into the inguinal ligament and forming the lateral boundary of the ring. Synonym: crus laterale anuli inguinalis superficialis. (05 Mar 2000) |
| lateral cuneate nucleus | A cell group lateral to the cuneate nucleus which receives posterior-root fibres corresponding to the proprioceptive innervation of the arm and hand; it projects to the cerebellum by way of the cuneocerebellar tract, and can be considered the upper-extremity equivalent of the thoracic nucleus. Synonym: nucleus cuneatus accessorius, external cuneate nucleus, lateral cuneate nucleus, Monakow's nucleus. (05 Mar 2000) |
| lateral cuneiform bone | A bone of the distal row of the tarsus; it articulates with the intermediate cuneiform, cuboid, navicular, and second, third, and fourth metatarsal bones. Synonym: os cuneiforme laterale, third cuneiform bone, wedge bone. (05 Mar 2000) |
| lateral curvature | Curvature in which a more distal part is deviated away from the anatomic sagittal plane. (05 Mar 2000) |
| lateral cutaneous branch | Lateral cutaneous branches of the following: 1) iliohypogastric nerve, ramus cutaneus lateralis nervi iliohypogastrici; 2) dorsal branch of thoracic nerves, ramus lateralis ramorum dorsalium nervorum thoracicorum; 3) dorsal branch of posterior intercostal arteries, ramus cutaneos lateralis ramorum posteriorum arterieae intercostalium. Synonym: ramus cutaneus lateralis. (05 Mar 2000) |
| lateral cutaneous branches of intercostal nerves | Branches arising in approximately the anterior axillary line at the level of the second through sixth intercostal spaces. Synonym: rami mammarii laterales nervorum intercostalium, lateral cutaneous branches of intercostal nerves. (05 Mar 2000) |
| lateral cutaneous branches of ventral primary ramus of thoracic spinal nerves | Branches arising in approximately the anterior axillary line at the level of the second through sixth intercostal spaces. Synonym: rami mammarii laterales nervorum intercostalium, lateral cutaneous branches of intercostal nerves. (05 Mar 2000) |
| lateral cutaneous nerve of calf | <anatomy, nerve> It arises from the common peroneal in the popliteal space and is distributed to the skin of the inferolateral surface of the calf. Synonym: nervus cutaneus surae lateralis, lateral cutaneous nerve of calf. (05 Mar 2000) |
| lateral cutaneous nerve of forearm | <anatomy, nerve> The terminal cutaneous branch of the musculocutaneous nerve that emerges between bicips brachii and brachialis muscles to supply the skin of the radial side of the forearm. Synonym: nervus cutaneus antebrachii lateralis, lateral cutaneous nerve of forearm. (05 Mar 2000) |
| lateral cutaneous nerve of thigh | <anatomy, nerve> Arises from the second and third lumbar nerves, supplies the skin of the anterolateral and lateral surfaces of the thigh. Synonym: nervus cutaneus femoris lateralis, lateral cutaneous nerve of thigh. (05 Mar 2000) |
| lateral decubitus radiograph | A radiograph of a recumbent subject on his side, made in the frontal projection with a horizontal X-ray beam. Synonym: lateral decubitus radiograph. (05 Mar 2000) |
| lateral deep cervical lymph nodes | The lymph nodes located in the posterior triangle of the neck beneath the deep cervical fascia; they empty into the jugular trunk on the right or left side; the group is subdivided into four smaller chains: anterior jugular lymph nodes, lateral jugular lymph nodes, accessory nerve lymph nodes, and supraclavicular lymph nodes. Synonym: nodi lymphatici cervicales laterales profundi. (05 Mar 2000) |
| lateral diffusion | Diffusion in two dimensions, usually referring to movement in the plane of the membrane, such as the motion of fluorescently labelled lipids or proteins measured by the technique of fluorescent recovery after photobleaching (FRAP). (18 Nov 1997) |