sigmoid 的定义
- shaped like the letter C.
- shaped like the letter S.
- of, relating to, or situated near the sigmoid flexure of the large intestine.
sigmoid 近义词
等同于 curved
更多sigmoid例句
- Valve lanceolate, sigmoid; axial area very narrow, central area small; stri punctate, in transverse and oblique lines.
- Valve linear-lanceolate with produced rostrate apices, asymmetrical, sigmoid; pseudoraphe narrow; pseudo-nodule large.
- Valve lanceolate, sigmoid; axial area very narrow, central area small; stri punctate, in transverse and longitudinal rows.
- The raphe confined within a sigmoid keel or extension of the valve; the central and terminal nodules indistinct.
- Valve linear, slightly sigmoid, tapering to the sub-capitate ends; keel puncta, 11 in 10 ; stri subtle.