noun (plural manubria /-brēə/ or manubriums)Anatomy & Zoology
1A handle-shaped projection or part, in particular.
- The lenticular process is substantially longer than the arm of the manubrium which connects the tympanum to the articular facet.
- The retroarticular process of the articular persists only as the tiny manubrium which remains in contact with the tympanic membrane as it presumably did in Probainognathus.
- The manubrium sometimes extends to the insertion of the third costal cartilages.
1.1The broad upper part of the sternum of mammals, with which the clavicles and first ribs articulate.
- The medial-caudal migration pathway forms the thymopharyngeal tract, which runs from the angle of the mandible to the manubrium of the sternum bilaterally.
- It's just possible to make out the Angle of Louis, the ridge in the middle of the sword-shaped breastbone where its immature plates, the manubrium and sternal body fused.
- The right and left parts of the muscle are joined by a tendon that arises from the manubrium of the sternum.
- Example sentences
- Note the absence of the manubrial, sternal, and costal portions of pectoralis major in the illustrations on the right and left sides of this figure (the illustration of the individual in the center has a congenital absence of the penis).
- In other cases, the union of the two halves occurs in the manubrial region but fails distally.
- On physical examination, the patient was a healthy-appearing boy with an ill-defined swelling at the manubrial portion of his sternum.
Mid 17th century (as a rare usage in the sense 'handle'): from Latin, 'haft'.
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