occipital bone


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

occipital bone

n.
A curved, trapezoid compound bone that forms the lower posterior part of the skull; the occipital.

occipital bone

n
(Anatomy) the saucer-shaped bone that forms the back part of the skull and part of its base

occip′ital bone`


n.
a curved, compound bone forming the back and part of the base of the skull.
[1670–80]

occipital bone


click for a larger image
A bone at the back of the skull with a hole in it for the spinal cord.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.occipital bone - a saucer-shaped membrane bone that forms the back of the skulloccipital bone - a saucer-shaped membrane bone that forms the back of the skull
inion - the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance)
membrane bone - any bone that develops within membranous tissue without previous cartilage formation; e.g. the clavicle and bones of the skull
braincase, brainpan, cranium - the part of the skull that encloses the brain
occipital protuberance - prominence on the outer surface of the occipital bone
References in classic literature ?
In the surgeon's deposition it was stated that the posterior third of the left parietal bone and the left half of the occipital bone had been shattered by a heavy blow from a blunt weapon.
A partner helps by lifting gently on the occipital bone to position the head correctly.
On CT, an expansile osteolytic lesion is seen involving clival occipital bone (basiocciput) with multiple areas of end-osteal scalloping and marginal sclerosis, suggestive of chronicity.
In all patients OCF was done either with DCP plates and sublaminar wires of C2 and C3 with occipital bone or occipital plates with C2 pedicle and C3 lateral mass screws where financially feasible.
These are also known for the reception of the condyles of the occipital bone to form an atlanto-occipital joint.
The greatest length of skull (GLS) was measured from the most anterior part of the center of the premaxillary bone to the most posterior point of the occipital bone.
On palpation of the occipital bone between the two horns leads to bleating.
1-4; Lorentz 2009:78-80), resulting in a limited growth between the frontal and occipital bone.
The left and medial sides of the occipital bone were defective because of the left suboccipital craniotomy (Figure 2).
treatment group; among these, the number with deformed occipital bone was statistically significant compared to the control group.
7 In vertebrates, the foramen magnum, literally meaning "big hole," is a hole in the occipital bone in the base of the skull, through which the medulla oblongata extends from the braincase.