rectal speculum

同义词释义

1)rectal speculum,直肠窥器，直肠张开器2)bivalve rectal speculum,双瓣直肠窥器3)double blade rectal speculum,双翼直肠窥器4)triple blade rectal speculum,三翼直肠窥器5)four pronged rectal speculum,四叉直肠窥器6)rectum dilator,直肠扩张器