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English
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Russian
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English
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Russian
Theca
UK
/ˈθiːkə/
US
/ˈθiːkə/
Translation theca into russian
Definitions
theca
Noun
UK
/ˈθiːkə/
US
/ˈθiːkə/
A case, sheath, or covering, often used to refer to a protective structure in biology, such as the outer covering of a spore or pollen grain.
The theca of the pollen grain protects its contents during transport.
In anatomy, a sheath or case enclosing a part or organ, such as the theca of the spinal cord.
The theca of the spinal cord provides essential protection to the delicate nerve tissues.
In botany, the pollen sac of an anther, where pollen is produced.
Each anther contains two thecae, which release pollen when mature.