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Theca   Listen
noun
Theca  n.  (pl. thecae)  
1.
A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord.
2.
(Zool.)
(a)
The chitinous cup which protects the hydranths of certain hydroids.
(b)
The more or less cuplike calicle of a coral.
(c)
The wall forming a calicle of a coral.





Collaborative International Dictionary of English 0.48


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Words linked to "Theca" :   cover, case, sheath


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