Foramen



[fuh-rey-muh n] /fəˈreɪ mən/

noun, plural foramina
[fuh-ram-uh-nuh] /fəˈræm ə nə/ (Show IPA)
1.
an opening, orifice, or short passage, as in a bone or in the integument of the ovule of a plant.
/fɒˈreɪmɛn/
noun (pl) -ramina (-ˈræmɪnə), -ramens
1.
a natural hole, esp one in a bone through which nerves and blood vessels pass
n.

plural foramina, 1670s, from Latin foramen “hole, opening, aperture, orifice,” from forare “to pierce” (see bore (v.)).

foramen fo·ra·men (fə-rā’mən)
n. pl. fo·ra·mens or fo·ram·i·na (-rām’ə-nə)
An aperture or perforation through a bone or a membranous structure.
fo·ram’i·nal (-rām’ə-nəl) or fo·ram’i·nous (-nəs) adj.
foramen
(fə-rā’mən)
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’-).

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  • Foramen-magnum

    [mag-nuh m] /ˈmæg nəm/ noun, Anatomy. 1. the large opening in the base of the skull forming the passage from the cranial cavity to the spinal canal. noun 1. the large opening at the base of the skull through which the spinal cord passes foramen magnum foramen mag·num (māg’nəm) n. See great foramen.

  • Foramen cecum medullae oblongatae

    foramen cecum medullae oblongatae foramen ce·cum me·dul·lae ob·lon·ga·tae (sē’kəm mĭ-dŭl’ē ŏb’lŏng-gā’tē) n. A small triangular depression at the lower boundary of the pons that marks the upper limit of the median fissure of the medulla oblongata.



  • Foramen of vena cava

    foramen of vena cava n. An opening in the right lobe of the central tendon of the diaphragm, transmitting the inferior vena cava and branches of the right phrenic nerve. Also called quadrate foramen.

  • Foramen spinosum

    foramen spinosum foramen spi·no·sum (spī-nō’səm) n. An opening in the greater wing of the sphenoid bone, in front of the spine, transmitting the middle meningeal artery.



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