• WordNet 3.6
    • n foramen a natural opening or perforation through a bone or a membranous structure
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Webster's Revised Unabridged Dictionary
    • n Foramen A small opening, perforation, or orifice; a fenestra.
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Century Dictionary and Cyclopedia
    • n foramen In anatomy and zoology, a hole or an opening; an orifice; a fissure; a short passage. Specifically
    • n foramen In botany, an opening of any kind; specifically, the orifice of the coats of the ovule.
    • n foramen See the adjectives.
    • n foramen The carotid canal itself.
    • n foramen Posterior, for the passage of a vein.
    • n foramen Of the medulla oblongata, a cul-de-sac forming the termination of the anterior median fissure behind the pons. Also called foramen cæcum of Vicq d'Azyr.
    • n foramen Of the tongue, a depression about the large middle circumvallate papilla.
    • n foramen Of the sphenoid bone, a hole in the greater wing of the sphenoid, or between this and the temporal bone, for the passage of the third division of the fifth cranial nerve. See cut under sphenoid.
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Chambers's Twentieth Century Dictionary
    • n Foramen fo-rā′men a small opening
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Webster's Revised Unabridged Dictionary
L., fr. forare, to bore, pierce
Chambers's Twentieth Century Dictionary
L.,—forāre, to pierce.


In literature:

It contains no visible canal or foramen.
"A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas" by Theodore H. Eaton
There is a small foramen at the tip for exhausting the air by sucking.
"Bloodletting Instruments in the National Museum of History and Technology" by Audrey Davis
Skull elongated, rather narrow and depressed; facial portion especially narrow; infraorbital foramen very large.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 4" by Various
ORIFICE, or FORAMEN, an opening through the coats at the organic apex of the ovule.
"The Elements of Botany" by Asa Gray
GC, Gastric canal or foramen.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3" by Various
V, Foramen of exit of the trigeminal.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 4" by Various
The lachrymal foramen is in front of the margin of the orbit.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10" by Various
The pneumatic foramen in them is a mere puncture.
"Dragons of the Air" by H. G. Seeley
Foramen, a little opening.
"A Manual of the Antiquity of Man" by J. P. MacLean
Sometimes more than one foramen present.
"Freshwater Sponges, Hydroids & Polyzoa" by Nelson Annandale

In news:

Aneurysm of the petrous portion of the internal carotid artery at the foramen lacerum: Anatomic , imaging, and otologic findings.
Aneurysm of the petrous portion of the internal carotid artery at the foramen lacerum: Anatomic, imaging, and otologic findings.
Detection of Patent Foramen Ovale Using Contrast Transesophageal Echocardiography .
Neuroendocrine carcinoma of the jugular foramen .
We describe what might have been the first reported case of a neuroendocrine carcinoma of the jugular foramen .
Detection of Patent Foramen Ovale Using Contrast Transesophageal Echocardiography.
Atrial Septal Defect/Patent Foramen Ovale Closure Devices in Cryptogenic Stroke.
A thyroid foramen is a congenital linear opening located in the lamina of the posterosuperior portion of the thyroid cartilage.