Frontal bone
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| Bone: Frontal bone | |
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| Frontal bone at birth. | |
| Latin | os frontale |
| Gray's | subject #33 135 |
| Articulations | twelve bones: the sphenoid, the ethmoid, the two parietals, the two nasals, the two maxillæ, the two lacrimals, and the two zygomatics |
| MeSH | Frontal+Bone |
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Most recent articles on Frontal bone Most cited articles on Frontal bone | |
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Ongoing Trials on Frontal bone at Clinical Trials.gov Clinical Trials on Frontal bone at Google
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US National Guidelines Clearinghouse on Frontal bone
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Patient resources on Frontal bone Discussion groups on Frontal bone Patient Handouts on Frontal bone Directions to Hospitals Treating Frontal bone Risk calculators and risk factors for Frontal bone
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Causes & Risk Factors for Frontal bone | |
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Overview
The frontal bone is a bone in the human skull that resembles a cockleshell in form, and consists of two portions:
- a vertical portion, the squama frontalis, corresponding with the region of the forehead.
- an orbital or horizontal portion, the pars orbitalis, which enters into the formation of the roofs of the orbital and nasal cavities.
Borders
The border of the squama temporalis is thick, strongly serrated, bevelled at the expense of the inner table above, where it rests upon the parietal bones, and at the expense of the outer table on either side, where it receives the lateral pressure of those bones; this border is continued below into a triangular, rough surface, which articulates with the great wing of the sphenoid. The posterior borders of the orbital plates are thin and serrated, and articulate with the small wings of the sphenoid.
Structure
The squama and the zygomatic processes are very thick, consisting of diploic tissue contained between two compact laminæ; the diploic tissue is absent in the regions occupied by the frontal air sinuses.
The orbital portion is thin, translucent, and composed entirely of compact bone; hence the facility with which instruments can penetrate the cranium through this part of the orbit; when the frontal sinuses are exceptionally large they may extend backward for a considerable distance into the orbital portion, which in such cases also consists of only two tables.
Additional images
 The seven bones which articulate to form the orbit. |
 Facial bones. |
 Cranial bones |
 Sphenoid bone visible center right. |
 Side view of the skull. |
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 The skull from the front. |
 Medial wall of left orbit. |
 Floor of the skull. |
 Sagittal section of skull. |
See also
External links
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
The Bones which form the Orbit | |
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| Frontal bone • Zygomatic bone • Maxillary bone • Sphenoid bone • Ethmoid bone • Palatine bone • Lacrimal bone | |
WikiDoc Research Resources for Frontal bone | |
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| Articles on Frontal bone | Most recent articles on Frontal bone • Most cited articles on Frontal bone • Review articles on Frontal bone • Articles on Frontal bone in N Eng J Med, Lancet, BMJ |
| Media (Slides, Video, Images, MP3) on Frontal bone | Powerpoint slides on Frontal bone • Images of Frontal bone • Photos of Frontal bone • Podcasts & MP3s on Frontal bone • Videos on Frontal bone |
| Evidence Based Medicine Regarding Frontal bone | Cochrane Collaboration on Frontal bone • Bandolier on Frontal bone • TRIP on Frontal bone |
| Cost Effectiveness of Frontal bone | Cost Effectiveness of Frontal bone |
| Clinical Trials Involving Frontal bone | Ongoing Trials on Frontal bone at Clinical Trials.gov • Trial results on Frontal bone • Clinical Trials on Frontal bone at Google |
| Guidelines / Policies / Government Resources (FDA/CDC) Regarding Frontal bone | US National Guidelines Clearinghouse on Frontal bone • NICE Guidance on Frontal bone • NHS PRODIGY Guidance • FDA on Frontal bone • CDC on Frontal bone |
| Textbook Information on Frontal bone | Books and Textbook Information on Frontal bone |
| Pharmacology Resources on Frontal bone | Dosing of Frontal bone • Drug interactions with Frontal bone • Side effects of Frontal bone • Allergic reactions to Frontal bone • Overdose information on Frontal bone • Carcinogenicity information on Frontal bone • Frontal bone in pregnancy • Pharmacokinetics of Frontal bone • |
| Genetics, Pharmacogenomics, and Proteinomics of Frontal bone | Genetics of Frontal bone • Pharmacogenomics of Frontal bone • Proteomics of Frontal bone |
| Newstories on Frontal bone | Frontal bone in the news • Be alerted to news on Frontal bone • News trends on Frontal bone |
| Commentary on Frontal bone | Blogs on Frontal bone |
| Patient Resources on Frontal bone | Patient resources on Frontal bone • Discussion groups on Frontal bone • Patient Handouts on Frontal bone • Directions to Hospitals Treating Frontal bone • Risk calculators and risk factors for Frontal bone |
| Healthcare Provider Resources on Frontal bone | Symptoms of Frontal bone • Causes & Risk Factors for Frontal bone • Diagnostic studies for Frontal bone • Treatment of Frontal bone |
| Continuing Medical Education (CME) Programs on Frontal bone | CME Programs on Frontal bone |
| International Resources on Frontal bone | Frontal bone en Espanol • Frontal bone en Francais |
| Business Resources on Frontal bone | Frontal bone in the Marketplace • Patents on Frontal bone |
| Informatics Resources on Frontal bone | List of terms related to Frontal bone |
de:Stirnbeingl:Frontal (óso) ko:이마뼈 it:Osso frontale la:Os frontale lt:Kaktikaulissl:Čelnica sv:Pannbenuk:Лобова кістка
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
