a passage or opening (pl. foramina).

(pl. foramina) - A perforation through a bone for the passage of a nerve or blood vessel.

Tube, opening or canal.

A hole in a bone usually for the transmission of blood vessels and/or nerves.

A natural opening, usually through bone.

a true hole in the bone [e.g. foramen magnum, incisive foramen.

(pl., foramina) Any opening in a body wall through which organs pass from one region to another. [photo

The space through which the nerve root and nerve root sheath must pass to exit the spinal canal. There are two foramens per level, which are composed of arches in the vertebrae above and below. They are the "windows" through which the nerve roots pass. The size of the foramen can be decreased for instance, with DDD, disc herniation or spondylosis.

(AKA Neuroforomen:) A natural passageway or opening in bone through which pass the nerve roots of the spianl cord. The plural of foramen is known as "foramina" (Seems that spelling used can include both foramen or foramin)

foram = an opening.

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

a naturally occurring hole in a bone

a small opening between the vertebrae, where a nerve leaves the spinal canal

pedicle opening

pl. foramina an opening, such as a hole, generally smaller than a fenestra

(L. forare, to pierce). An aperture.

In cheilostomes, an uncalcified opening in the frontal wall with direct communication from the external environment to the space between the calcified frontal wall and the frontal membrane. Compare window.

a hole in a bony structure, through which nerves, and blood vessels either enter or exit. Foramina (pl.) are used in surgery as anatomical landmarks.

This is the gap between the pedicles of the vertebrae that holds nerve roots as they emerge from the spinal cord to the left and right.

An opening, a hole or passageway in a bone for blood vessels or nerves.

A passage or opening. An aperture which enables two cavities or organs to communicate.

A natural opening found primarily in a bone

The opening between the vertebrae through which the spinal nerve root and spinal nerve sheath pass to exit the spinal canal. The size of the foramen may be reduced by degenerative joint disease herniated disc, bulging disc, bone spurs, facet joint hypertrophy, or by soft tissue (cyst, tumor, ligament, etc.).

A hole in the body wall through which vessels or nerves pass. The foramen magnum is the central hole in the back of the head; the propodeal foramen is the holde in the posterior area of the propodeum.

A natural opening or passage in bone. An opening allowing for the egress of spinal nerve roots from between two vertebrae.

Opening in bone through which passes nerves, blood vessels, or muscles.

(I,II as aperture) [aperture, window, intercellular space] Figs 25-38 The space between adjacent cells in a colony. Its size and shape is determined by the nature of the valves, the basal part of the setae, and the type of fusion. Aperture has been recommended (I,II) as the preferred name for this opening, but foramen has very often been used in regard to Chaetoceros (e.g. Cleve 1873a,b, and many others); whereas the structure for which the term foramen is currently recommended (i.e. the areolar opening opposite the velum (see I and II)) should perhaps more appropriately be termed an aperture. The term was already used in this way in an early electron microscope study of diatom structure (Hendey et al. 1954), and the Latin apertura usually refers to a hole (Andrew 1851); a descriptor more appropriate to the areolar opening than to the gap between adjacent Chaetoceros cells.

Natural opening or passage; a general term for such a passage, especially one into or through a bone; a notch bridged by a ligament or bone, opening into a pit or a canal that has an orifice at each end. In the spine foramina open out of the spinal canal through the vertebral bodies allowing the passage of nerves (vertebral foramina).

a hole, often in a bone or between adjacent bones.

A hole or perforation in the bone.

Hole through the ventral valve for passage of the pedicle. (pedical foramen)

An opening usually in a bone or organ of membrane (plural is foramina).

A hole or opening

magnum - The hole in the base of the skull through which the spinal cord enters.  It is much closer to the center of the skull in bipeds than it is in quadrupeds.

A natural opening or passage in bone for nerves and blood vessels.

A normal occurring opening or passage in the vertebrae of the spine through which the spinal nerve roots travel.

an opening--usually a smaller opening is called a foramen, a larger one is a fenestra. The plural is foramina.

Intervertebral Foramen (foramina pl.). The hole created when two vertebrae are placed together. As a spinal nerve branches from the spinal cord, it exits through this hole and travels to muscle.