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C. elegans Muscle Groups

The major muscle groups of Caenorhabditis elegans hermaphrodites. The major muscle cell types in the hermaphrodite are shown schematically in this lateral view of the animal with anterior to the left and dorsal to the top. At top, are the 95 bodywall muscles (BWMs), the somatic muscle providing locomotive force for the animal. Dark red cells reflect the 81 embryonically derived cells with lighter red shading used to indicate the approximate location of the 14 post-embryonically derived cells. The BWM cells run in four quadrants along the length of the animal; only one side is schematized. At the bottom are several additional muscle cell groups. The pharynx (orange) pumps food into the gut while the enteric muscles (blue) control defecation. The egg-laying muscles are comprised of those controlling the opening of the vulva (vms, in green) and extrusion of zygotes by contraction of uterine muscles (purple). The only muscles of the hermaphrodite not depicted are the gonadal sheath cells. WIREs Dev Biol 2012. DOI: 10.1002/wdev.15 References Krause, M., Liu, J. Somatic muscle specification during embryonic and post-embryonic development in the nematode C. elegans. WIREs Dev Biol, 2012, 1:203-214.

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Resource Type: Diagram, Illustration
Audience Level: Undergraduate upper division (Grades 15-16), Graduate

Author and Copyright


Authors and Editors: Michael W Krause of NIH, Jun Liu of NIH
Publisher: SDB
Format: text/html
Copyright and other restrictions: No
Cost: No

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Society for Developmental Biology


     
   

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