manubrium

Definitions

  • WordNet 3.6
    • n manubrium the upper part of the breastbone
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Webster's Revised Unabridged Dictionary
    • Manubrium (Anat) A handlelike process or part; esp., the anterior segment of the sternum, or presternum, and the handlelike process of the malleus.
    • Manubrium (Zoöl) The proboscis of a jellyfish; -- called also hypostoma. See Illust. of Hydromedusa.
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Century Dictionary and Cyclopedia
    • n manubrium In some technical uses, a handle or haft. Specifically
    • n manubrium In anatomy and zoology: The presternum, or first piece of the sternum, of most mammals; the anterior, or in man the upper, segment of the sternum, corresponding to the first pair of ribs, and succeeded by a piece or pieces collectively called the gladiolus or mesosternum. See cut under sternum.
    • n manubrium b) In birds, a small process, often forked, of the fore border of the sternum, in the middle line, at the root of the keel. See cut under epipleura.
    • n manubrium The handle of the malleus; the process of the outer ear-bone, connected with the inner surface of the tympanic membrane. See cut under ossiculum.
    • n manubrium In hydrozoans, the sac or polypite which projects from the center of the concavity of the nectocalyx of a medusa or the gonocalyx of a medusiform gonophore. See medusoid.
    • n manubrium In botany, a cylindrical cell which arises from the center of the inner face of each of the eight shields that compose the wall of the antheridium in the Characeæ. Also called handle. Compare head, 6 , and head-cell.
    • n manubrium In organ-building, a stop-knob or handle.
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Chambers's Twentieth Century Dictionary
    • n Manubrium mā-nū′bri-um the presternum of most mammals: in organ-building, a stop-knob or handle
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Etymology

Webster's Revised Unabridged Dictionary
L., handle, fr. manus, hand
Chambers's Twentieth Century Dictionary
L., 'a handle.'

Usage

In literature:

There was a junction between the manubrium of each.
"Anomalies and Curiosities of Medicine" by George M. Gould
The sternum consists of segments, the sternebrae (st.); anteriorly there is a bony manubrium (mb.
"Text Book of Biology, Part 1: Vertebrata" by H. G. Wells
The sternum is much wider than long, and no specimens give evidence of a manubrium.
"Dragons of the Air" by H. G. Seeley
In the Pig the precise reverse is seen, the manubrium being narrower than the rest of the sternal bonelets.
"The Cambridge Natural History, Vol X., Mammalia" by Frank Evers Beddard
The stomach may be drawn out into the manubrium, forming a proboscis ("Magenstiel") of considerable length.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 2" by Various
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In news:

Between the manubrium and the body is the sternal angle.
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