foramina

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Definitions from WordNet

Noun foramen has 1 sense

foramen, hiatus - a natural opening or perforation through a bone or a membranous structure
--₁ is a kind of opening, gap
--₁ has particulars:
interventricular foramen, foramen of Monro, Monro's foramen; foramen magnum

Definitions from the Web

Term: Foramina

Part of speech: Noun, plural

Sense 1: Openings or holes, especially in bone, through which nerves, blood vessels, or other structures pass.

Example sentences:

The foramina in the skull allow the passage of nerves and blood vessels.
Scientists are studying the foramina in the spinal cord for possible treatment of nerve injuries.

Sense 2: (Local usage) A term used in botany to refer to the small openings in leaves or plant tissues for gaseous exchange.

Example sentences:

The presence of numerous foramina enhances the respiratory efficiency of the leaf.
The foramina on the surface of the plant allow the exchange of gases with the environment.

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