manubrium definition

  • noun:
    • A body component or process shaped like a handle. Also known as presternum.
    • The broad top division of sternum with that your clavicle and first two ribs articulate.
    • The long tapering process of the malleus connected to the central portion of the eardrum.
    • The wide, upper an element of the sternum.
    • The tube extending from main underside of a jellyfish and ending in a mouth.
    • A handlelike process or component; esp., the anterior section regarding the sternum, or presternum, and handlelike process of the malleus.
    • The proboscis of a jellyfish; -- labeled as also hypostoma. See Illust. of Hydromedusa.
    • In some technical utilizes, a handle or haft. Specifically
    • In structure and zoology: The presternum, or first little bit of the sternum, of most mammals; the anterior, or in man the top of, portion of sternum, corresponding toward very first set of ribs, and succeeded by an item or pieces collectively called the gladiolus or mesosternum. See cut-under sternum.
    • b) In birds, a little process, often forked, associated with the fore edge associated with sternum, in the middle line, during the root of the keel. See cut under epipleura.
    • The handle associated with the malleus; the process of the exterior ear-bone, associated with the inner area of tympanic membrane layer. See cut under ossiculum.
    • In hydrozoans, the sac or polypite which projects through the center regarding the concavity associated with nectocalyx of a medusa or even the gonocalyx of a medusiform gonophore. See medusoid.
    • In botany, a cylindrical cellular which arises from the middle of the inner face of each of the eight shields that compose the wall associated with the antheridium when you look at the Charace√¶. Also called handle. Compare mind, 6 , and head-cell.
    • In organ-building, a stop-knob or handle.
    • the upper an element of the breastbone

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