occipital bone


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occipital bone

n.
A curved, trapezoid compound bone that forms the lower posterior part of the skull; the occipital.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

occipital bone

n
(Anatomy) the saucer-shaped bone that forms the back part of the skull and part of its base
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

occip′ital bone`


n.
a curved, compound bone forming the back and part of the base of the skull.
[1670–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

occipital bone


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A bone at the back of the skull with a hole in it for the spinal cord.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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.
He pulled the upper section of hair back, pinned it just above the occipital bone (the bone which forms the back and base of the skull) and finished with a generous spritz of hair spray.
ARTICULARE (Ar) (the point at the junction of inferior border of posterior cranial base (occipital bone) and posterior border of ramus)
The nuchal surface of the skull of Zovawk was formed in the middle by the squamous and the lateral parts of the occipital bone as reported in Pygmy hog (Kalita et al.) and blackbuck (Choudhary & Singh, 2016b).
* 4 specimens were sent for HPE-neck dissection, WLE tumour, occipital bone, dura.
This case demonstrates congenital malignant melanoma of the dura mater with extracranial extension through the occipital bone. Magnetic resonance imaging (MRI) revealed mostly T1 hyperintensity and T2 hypointensity.
Physical and radiological findings Findings n % Skull fractures Linear fractures 25 73.5 Occipital bone 7 28.0 Temporal bone 6 24.0 Frontal bone 9 36.0 Parietal bone 3 12.0 Depressed fractures 18 52.9 Frontal bone 8 44.4 Parietal bone 4 22.2 Occipital bone 6 33.3 Basis Cranii Fractures 17 50.0 Frontobasal 7 41.2 Temporobasal 6 35.3 Occipitobasal 4 23.5 Intracranial lesion Extradural hematoma 13 38.2 Subarachnoid hemorrhage 6 17.6 Subdural hematoma 4 11.8 Cerebral edema 8 23.5 Diffuse axonal injury 2 5.9 Pneumocephalus 13 38.2 Additional lesions Subgaleal hematoma 14 41.2 Unilateral/bilateral periorbital hematoma 7 20.6 Otorrhea 3 8.8 Otorrhagia 1 2.9 Rhinorrhea 1 2.9 Rhinorrhagia 4 11.8 Superficial scalp maceration 9 26.5 Figure 1.
It may be more difficult to open the craniotomy flap on the occipital bone due to the curved structure of this area.
A case of primary Ewing's sarcoma of the occipital bone presenting with obstructive hydrocephalus.
The occipital bone was absent, and the right parietal, sphenoid, left and right temporal, and vomer were partial.