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sigmoid

/sig-moid/US // ˈsɪg mɔɪd //UK // (ˈsɪɡmɔɪd) //

乙字形,乙型血,乙型,乙状腺

Related Words

Definitions

adj.形容词 adjective
  1. 1
    • : shaped like the letter C.
    • : shaped like the letter S.
    • : of, relating to, or situated near the sigmoid flexure of the large intestine.

Synonyms & Antonyms

as incurved

Examples

  • 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.