manubrium

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Related to Manubrial: manubrium, manubrial notch

manubrium

[mə′nü·brē·əm]
(anatomy)
The triangular cephalic portion of the sternum in humans and certain other mammals.
The median anterior portion of the sternum in birds.
The process of the malleus.
(botany)
A cylindrical cell that projects inward from the middle of each shield composing the antheridium in stoneworts.
(invertebrate zoology)
The elevation bearing the mouth in hydrozoan polyps.
References in periodicals archive ?
5) This condition may be differentiated radiographically from osteoarthritis by preservation of the joint space and lack of manubrial involvement.
Manubrial plate with 3-5 chaetae and 1 or 2 pseudopores.
Manubrial plate with 3 inner setae and 3 outer setae, and 2 pseudopores.
Within the manubrium, neurons maintained a netlike organization that extended to the distal lips of the manubrium where neurons deviated from a random orientation and straightened into parallel tracts perpendicular to the manubrial edge (Fig.
At the perradii, raised bands of smooth muscle run radially, from just below the nerve ring, upward into the manubrial stalk (described below).
IV at base of manubrial area), coxae with 1 psp each.
Planulae variably colored; brooded at the base of the manubrium and on manubrial shelves.
The genus is characterized by the shape of the postantennal organ with numerous (11-20), compound vesicles, antennal III sense organ with 5 papillae and 2 ribbed sensory clubs, the presence of the chaeta d0 on head and chaeta p0 on abdominal tergum IV, abdominal tergum VI with 1 medial chaeta, tibiotarsal distal whorl with 9 chaetae, furcal area with 2+2 chaeta in 1 row (Weiner 1996; Pomorski 1998) and usually 2 manubrial rows mm and mp, chaetae from the ma row displaced on the level of dental microchaetae, male ventral organ usually present and anal spines absent.