divaricator

名词 n.
中文释义

英文释义

名词 n.
  1. One of the muscles that open the shell of a brachiopod; a cardinal muscle.
    — The relative position of the adductor and divaricator impressions varies somewhat in different species of the genus, as we have already described; thus, in P. giganteus, P. longispinus, &c., the divaricators are situated immediately under and outside of the adductor, while in P. pustulosus, P. humerosus, &c., the adductor is located between the two divaricator impressions, as in the case of P. comoides.
  2. A surgical device for spreading the surroundings and holding open the area in which one is operating.
    — An operation case containing: 1. A tongue forceps. 2. Heister's gag. 3. Author's ringed gag. 4. Three Krishaber's tracheotomoy tubes for children and adults. 5. One divaricator of the commissure. 6. One divaricator of the molars. […]

词形变化

divaricators plural
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