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Posterior median sulcus

posterior median sulcus n.
The longitudinal groove marking the posterior midline of the medulla oblongata and continuous below with the posterior median sulcus of the spinal cord. Also called posterior median fissure.


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  • Posterior median line

    posterior median line n. The line of intersection of the midsagittal plane with the posterior surface of the body.

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    posterior nasal spine n. The sharp posterior extremity of the nasal crest.

  • Posterior palatine foramen

    posterior palatine foramen n. See greater palatine foramen.

  • Posterior perforated substance

    posterior perforated substance n. The bottom of the interpeduncular fossa at the base of the mesencephalon, containing openings for the passage of perforating branches of cerebral arteries.

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