divaricator

/ daɪˈværɪˌkeɪtə /

noun

1. zoology a muscle in brachiopods that controls the opening of the shell

Example Sentences

Interior of dorsal valve. c, c’, cardinal process; b’, b’, hinge-plate; s, dental sockets; l, loop; q, crura; a, a’, adductor impressions; c, accessory divaricator; b, peduncle muscles; ss, septum.

From Project Gutenberg

Logitudinal section with a portion of the animal. d, h, Brachial appendages. a, Adductor. c, c’, Divaricator muscles. s, Septum. v, Mouth. z, Exremity of alimentary tube.

From Project Gutenberg