| 释义 |
sphinc·ter
\ˈsfiŋ(k)tə(r)\ noun
(-s)
Etymology: Late Latin, from Greek sphinktēr band, sphincter; akin to Greek sphingein to bind fast, Latin spatium space — more at speed
: an annular muscle surrounding and able to contract or close a bodily opening or channel
< the anal sphincter >
< a sphincter muscle >
< suffering from sphincteralgia > |