theca

theca
[ˈθiːkə]
(pl. thecae -siː)
  1. a receptacle, sheath, or cell enclosing an organ, part, or structure, in particular
    膜;鞘,尤指
    ■(Anatomy)the loose sheath enclosing the spinal cord
    (剖)(包裹脊索的)鞘
    ■(Zoology)a cup-like or tubular structure containing a coral polyp
    (动)壳
    ■(Botany)either of the lobes of an anther, each containing two pollen sacs
    (植)药室,药爿;囊;室;(苔藓植物的)孢蒴
    ■(亦作 theca folliculi fəˈlɪkjʊlʌɪ)(Anatomy)the outer layer of cells of a Graafian follicle
    (剖)卵泡膜
派生
thecate
adjective
语源
  1. early 17th cent.: via Latin from Greek thēkē 'case'
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