Theca (noun) Definition, Meaning & Examples

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noun, plural the·cae [thee-see]. /ˈθi si/.
  1. a case or receptacle.
  2. Botany, Mycology.
    • a sac, cell, or capsule.
    • a sporangium.
  3. a case or sheath enclosing an organ, structure, etc., as the horny covering of an insect pupa or the loose membrane covering the spinal cord.
noun plural -cae (-siː)
  1. an enclosing organ, cell, or spore case, esp the capsule of a moss
  2. a hard outer covering, such as the cup-shaped container of a coral polyp
Plural thecae (thē′sē′, -kē′)
    Theca (noun) Definition, Meaning & Examples

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