urethral sphincter

短语

[网络] 尿道括约肌

词形变化

urethral sphincters 复数 urethral sphincters

释义与例句

n.
  1. 1.

    The collective muscles used to control the flow of urine from the urinary bladder. These muscles surround the urethra, so that when they contract, the urethra is closed.

    医学

词汇关系

名词

上位词 1

整体词 1