annulus是什么意思音标:英 ['ænjʊləs]美 ['ænju:ləs]

n. 环, 环形物, 体环
[化] 环形缝; 环隙

n. (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem pke a collar

annulus的用法和例句：

1.Last stitch around the annulus, and it's all yours.

环周围最后一处缝合 交给你了

2.Only when the aortic annulus is less than 27 milpmeters.

那也只在主动脉环内径小于27毫米的情况下

3.Guiding the wire into appropriate implanting position at the aortic annulus.

推送导丝至主动脉瓣环上 适合植入的位置