肛门外括约肌

肛門外括約肌
gāngménwàikuòyuējī
  1. (anatomy) external anal sphincter; sphincter ani externus
  2. external anal sphincter; sphincter ani externus

Wiktionary

Entry Composition

1 肛门 gāngmén anus
2 外 wài
  1. outside
  2. in addition
  3. foreign
  4. external
3 括约肌 kuòyuējī sphincter