n. (pl. -bria, -briums) 1.柄式结构；柄状突起；柄状体。 2.(尤指)【动物；动物学】(腔肠动物的)垂管；(昆虫的)前腹片；前胸骨；前腹板。
the upper part of the breastbone
The manubrium (from Latin manubr?um, "a handle") or manubrium sterni is the broad, upper part of the sternum. Located ventrally with a quadrangular shape, wider superiorly and narrower inferiorly, it articulates with the clavicles and the cartilages of the first pair of ribs.
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