8 results for: foramen

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

fo·ra·men

Audio Help [fuh-rey-muh

n] Pronunciation Key

–noun, plural -ram·i·na

Audio Help [-ram-uh-nuh] Pronunciation Key.

an opening, orifice, or short passage, as in a bone or in the integument of the ovule of a plant.

[Origin: 1665–75; < L forāmen hole, opening, equiv. to forā(re) to bore, pierce + -men resultative n. suffix

]

—Related forms

fo·ram·i·nal

Audio Help [fuh-ram-uh-nl] Pronunciation Key, adjective

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
foramen

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American Heritage Dictionary - Cite This Source - Share This

fo·ra·men Audio Help (fə-rā'mən) Pronunciation Key
n. pl. fo·ram·i·na (-rām'ə-nə) or fo·ra·mens
An opening or orifice, as in a bone or in the covering of the ovule of a plant.

[Latin forāmen, an opening, from forāre, to bore.]

fo·ram'i·nal (-rām'ə-nəl), fo·ram'i·nous (-nəs) adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

WordNet - Cite This Source - Share This

foramen
noun
a natural opening or perforation through a bone or a membranous structure

The American Heritage Science Dictionary - Cite This Source - Share This

foramen Audio Help (fə-rā'mən) Pronunciation Key
Plural foramina (fə-rām'ə-nə) or foramens
An opening or short passage, especially in the body. ◇ The large opening in the base of the skull through which the spinal cord passes is called the foramen magnum (māg'nəm). ◇ The opening in the septum between the right and left atria of the heart, present in the fetus but usually closed soon after birth, is the foramen ovale (ō-vāl'ē, -vā'lē, -vä'-).

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

fo·ra·men (f-rmn)
n. pl. fo·ra·mens or fo·ram·i·na (-rm-n)

An aperture or perforation through a bone or a membranous structure.

fo·rami·nal (-r

-n

l) or fo·rami·nous (-n

s) adj.

Merriam-Webster's Medical Dictionary - Cite This Source - Share This

Main Entry: fo·ra·men
Pronunciation: f&-'rA-m&n
Function: noun
Inflected Form: plural fo·ram·i·na /-'ram-&-n&/ or fo·ra·mens /-'rA-m&nz/
: a small opening, perforation, or orifice : FENESTRA 1 —fo·ram·i·nal /f&-'ram-&n-^&l/ adjective

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Foramen

Fo*ra"men\, n.; pl. L. Foramina, E. Foramines. [L., fr. forare to bore, pierce.] A small opening, perforation, or orifice; a fenestra.

Foramen of Monro (Anat.), the opening from each lateral into the third ventricle of the brain.

Foramen of Winslow (Anat.), the opening connecting the sac of the omentum with the general cavity of the peritoneum.

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