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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Manubrium ventrally with 1(2) + 1(2) subapical and short smooth setae; 4(5) + 4(5) setae and 2 pseudopores on manubrial plate.
Manubrium ventrally without smooth setae; 4 + 4 setae and 2 pseudopores on manubrial plate.
Neurons in the manubrial body form a nerve net similar in density and appearance to that found in the subumbrella.
The bands maintain their integrity through the manubrial stalk but become less well defined in the manubrial body, where they give off a continuous sheet of smooth muscle cells that turn 90 degrees and connect with similar fibers from the adjacent perradial band (Fig.
Chaetotaxy of manubrial field variable: 4 chaetae present in ma-row, 2-4 chaetae in mm-row and 6-7 chaetae in mp-row (Figs.
Furcal rudiment below one row of chaetae: cuticular fold with 2+2 dental chaetae, three manubrial rows with 4 ma, 2 mm and 6 mp chaetae.
Planulae variably colored; brooded at the base of the manubrium and on manubrial shelves.
Pseudopores formula dorsally: 11/1111, ventrally: 011/0??1[sup.m] ([sup.m]-single psp in medial position at the base of manubrial area) (Fig.