The foramen magnum (Latin: great hole) is a large, oval-shaped opening in the occipital bone of the skull. It is one of the several oval or circular openings...

front of the foramen magnum and directed towards the pharynx. The squamous part is the curved, expanded plate behind the foramen magnum and is the largest...

downward displacement of one or both cerebellar tonsils through the foramen magnum (the opening at the base of the skull). CMs can cause headaches, difficulty...

cranial fossa is the part of the cranial cavity located between the foramen magnum, and tentorium cerebelli. It is formed by the sphenoid bones, temporal...

Thoracic duct Esophagus Sympathetic trunk/ganglia. Contents of the foramen magnum: VAMPS-AT-SD or VAMPires Sing AT SD card Vertebral arteries Anterior...

The squamous part of occipital bone is situated above and behind the foramen magnum, and is curved from above downward and from side to side. The external...

human hand Magnum (rocket), a rocket designed by NASA during the 1990s Magnum (satellite), a class of U.S. reconnaissance satellite Foramen magnum, a large...

occipital bone (also basioccipital) extends forward and upward from the foramen magnum, and presents in front an area more or less quadrilateral in outline...

at the lower border of the pons in a small triangular area, termed the foramen cecum. On either side of this fissure are raised areas termed the medullary...

as the falx cerebri, the tentorium cerebelli, and even through the foramen magnum (the hole in the base of the skull through which the spinal cord connects...

brainstem and anatomically begins at the occipital bone, passing out of the foramen magnum and then enters the spinal canal at the beginning of the cervical vertebrae...

in the attached margin of the falx cerebelli. It commences near the foramen magnum, and ends by draining into the confluence of sinuses. Occipital sinuses...

to the spinal cord. From the skull the tube adheres to bone at the foramen magnum and extends down to the second sacral vertebra where it tapers to cover...

backward and medially to enter the vertebrobasilar circulation through the foramen magnum; it also transmits the suboccipital nerve (first spinal nerve) On the...

The foramina are openings in the skull. The largest of these is the foramen magnum, of the occipital bone, that allows the passage of the spinal cord as...

the level of the foramen magnum. In patients with low tonsillar position, the obex has been found below the plane of the foramen magnum. The obex occurs...

sinus Foramen cecum Optic foramen Foramen lacerum Foramen rotundum Foramen magnum Foramen ovale Jugular foramen Internal auditory meatus Mastoid foramen Sphenoidal...

neurocranium is a complex of openings (foramina) and bones, including the foramen magnum which houses the neural spine. The auditory bullae, located in the same...

the longitudinal axis of the pyramid. Bones may be broken around the foramen magnum, the hole in the base of the skull through which the brain stem exits...

show a flatter face, U-shaped tooth rows, small canines, an anterior foramen magnum, and heavy brow ridges. The only known skull suffered a large amount...

occipital artery through jugular or mastoid foramen) D. meningeal arteries (from vertebral artery through foramen magnum) The two layers of dura mater run together...

posterior C1 ring to enter the foramen magnum. The anteriomedial wall of the condylar canal thickens to join the foramen magnum rim and connect to the occipital...

the diagnosis of achondroplasia. The skull is large, with a narrow foramen magnum, and relatively small skull base. The vertebral bodies are short and...

of the occipital bone, just medial to the jugular foramen: 568  on either side of the foramen magnum. It overlies (i.e. is situated superior to: 568 )...

the cranium, but does not primarily involve either the face or the foramen magnum; the two brains are usually separate, but they may share some brain...

extends inferiorly to the foramen magnum. On axial planes, it sits just posterior to the sphenoid sinuses. It is medial to the foramen lacerum (the internal...

triangle along with the vertebral artery, where the artery enters the foramen magnum. It supplies muscles of the suboccipital triangle, the rectus capitis...

treatment of foramen magnum stenosis in achondroplasia during infancy" and "is there a correlation between sleep disordered breathing and foramen magnum stenosis...

socket of the postorbital process, and in having an almost triangular foramen magnum (the large opening at the base of the skull through which the spinal...

to this portion of the cerebellum to slip or be pushed through the foramen magnum of the skull resulting in tonsillar herniation. This is a life-threatening...