| LIS | laboratory information system; lateral intercellular space; left intercostal space; library informat... |
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| L | lat left lateral |
| LLB | left lateral border; long-leg brace |
| LLD | left lateral decubitus [muscle]; leg length discrepancy; long-lasting depolarization |
| LLR | large local reaction; left lateral rectus [muscle]; left lumbar region |
| lateral nasal primordium | An ectodermally covered mesenchymal swelling separating the embryonic olfactory pit from the developing eye. Synonym: lateral nasal fold, lateral nasal primordium, lateral nasal process. (05 Mar 2000) |
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| lateral nasal process | An ectodermally covered mesenchymal swelling separating the embryonic olfactory pit from the developing eye. Synonym: lateral nasal fold, lateral nasal primordium, lateral nasal process. (05 Mar 2000) |
| lateral nasal prominence | An ectodermally covered mesenchymal swelling separating the embryonic olfactory pit from the developing eye. Synonym: lateral nasal fold, lateral nasal primordium, lateral nasal process. (05 Mar 2000) |
| lateral nucleus of medulla oblongata | A group of cells in the medulla oblongata, located between the inferior olive and the descending trigeminal nucleus, receiving fibres from the spinal cord and motor cortex and projecting to the cerebellum. Synonym: nucleus lateralis medullae oblongatae, lateral reticular nucleus. (05 Mar 2000) |
| lateral nucleus of thalamus | The largest of the major subdivisions of the thalamus; the composite lateral nucleus includes, from before backward, the nucleus lateralis anterior or dorsalis, nucleus lateralis intermedius, nucleus lateralis posterior, and pulvinar; together, these cell groups form most of the free dorsal surface of the posterior half of the thalamus and project to a very large region of parietal, occipitoparietal, and temporal cortex; its afferent connections are largely obscure, but the nucleus lateralis posterior and the pulvinar receive a projection from the superior colliculus. Synonym: nucleus lateralis thalami. (05 Mar 2000) |
| lateral oblique radiograph | A radiographic view of the mandible, revealing one side of the mandible from symphysis to condyle by displacing the other side upwards. (05 Mar 2000) |
| lateral occipital sulcus | One of several variable sulci on the lateral aspect of the occipital lobe of each cerebral hemisphere, bounding the lateral occipital convolutions. Synonym: sulcus occipitalis lateralis. (05 Mar 2000) |
| lateral occipitotemporal gyrus | An extremely long convolution extending lengthwise over the inferior aspect of the temporal and occipital lobes, demarcated medially by the collateral sulcus from the lingual gyrus and the anterior part of the parahippocampal gyrus, laterally by the inferior temporal sulcus from the inferior temporal gyrus. Synonym: gyrus occipitotemporalis lateralis, gyrus fusiformis, lateral occipitotemporal gyrus, lobulus fusiformis. (05 Mar 2000) |
| lateral occlusion | Malposition of a tooth or an entire dental arch in a direction away from the midline. (05 Mar 2000) |
| lateral orbitofrontal branch | <anatomy, artery> A branch of the insular part of the middle cerebral artery distributed to the cortex of the lateral, inferior part of the frontal lobe. Synonym: arteria frontobasalis lateralis, ramus orbitofrontalis lateralis, lateral orbitofrontal branch, orbitofrontal artery. (05 Mar 2000) |
| lateral palpebral commissure | The union of the upper and lower eyelids adjacent to the lateral angle. Synonym: commissura palpebrarum lateralis. (05 Mar 2000) |
| lateral palpebral ligament | <anatomy> The band that attaches the tarsal plates to the orbital eminence of the zygomatic bone. Synonym: ligamentum palpebrale laterale, ligamentum palpebrale externum, ligamentum tarsale externum. (05 Mar 2000) |
| lateral palpebral raphe | A narrow fibrous band in the lateral part of the orbicularis oculi muscle formed by the interlacing of fibres passing through the upper and lower eyelids. Synonym: raphe palpebralis lateralis, palpebral raphe. (05 Mar 2000) |
| lateral part of occipital bone | The part of the occipital bone that lies on either side of the foramen magnum. Synonym: pars lateralis ossis occipitalis, exoccipital bone. (05 Mar 2000) |
| lateral part of posterior cervical intertransversarii muscles | lateral part of posterior cervical intertransversarii muscles |