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[mes-en-sef-uh-lon, -luh n, mez-] /ˌmɛs ɛnˈsɛf əˌlɒn, -lən, ˌmɛz-/

noun, plural mesencephala
[mes-en-sef-uh-luh, mez-] /ˌmɛs ɛnˈsɛf ə lə, ˌmɛz-/ (Show IPA), mesencephalons.
Anatomy. the midbrain.
the part of the brain that develops from the middle portion of the embryonic neural tube Nontechnical name midbrain Compare prosencephalon, rhombencephalon

mesencephalon mes·en·ceph·a·lon (měz’ěn-sěf’ə-lŏn’, měs’-)
The portion of the vertebrate brain that develops from the middle section of the embryonic brain. Also called midbrain.


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  • Mesenchyme

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  • Mesenchymoma

    mesenchymoma mes·en·chy·mo·ma (měz’ən-kī-mō’mə, -kə-, měs’-) n. pl. mes·en·chy·mo·mas or mes·en·chy·mo·ma·ta (-mə-tə) A neoplasm containing a mixture of cells resembling those of the mesenchyme and its derivatives other than fibrous tissue.

  • Mesenteric

    [mes-uh n-ter-ee, mez-] /ˈmɛs ənˌtɛr i, ˈmɛz-/ noun, plural mesenteries. Anatomy. 1. the membrane, consisting of a double layer of peritoneum, that invests the intestines, attaching them to the posterior wall of the abdomen, maintaining them in position in the abdominal cavity, and supplying them with blood vessels, nerves, and lymphatics, especially the part of […]

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