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Topic: Nasal bone

Related Topics

Palatine bone

Lacrimal bone

Inferior nasal conchae

Ethmoid bone

Zygomatic bone

Vomer bone

Sphenoid bone

Maxilla

Frontal bone

Parietal bone

Temporal bone

Occipital bone

Mandible

Human skull

Skull

	WSAVA 2001 - Surgical Approach and Management of Nasal and Sinus Disease
		Subcutaneous tissues and periosteum are incised and reflected to expose the nasal bone and nasomaxillary, frontomaxillary, and frontonasal suture lines, which represent the articulations of the nasal, frontal and maxillary bones.
		Bone rongeurs are used to extend the circular osteotomy and expose ethmoidal conchae.
		The sinusotomy may be enlarged using bone rongeurs to expose the caudal nasal passages for sinus drainage or greater areas of frontal sinus for sinus obliteration or reconstruction of the nasofrontal opening.
	www.vin.com /VINDBPub/SearchPB/Proceedings/PR05000/PR00091.htm (1431 words)

	Glossary of Skeletal Anatomy (Site not responding. Last check: 2007-10-18)
		The inferior nasal conchae articulate with the ethmoid, maxilla, lacrimal and paltine bones and form the lower part of the lateral wall of the nasal cavity.
		a thin scalelike bone, roughly resembling a fingernail in size and shape, at the anterior part of the medial wall of the orbit, articulating with the frontal and ethmoidal bones and the maxilla and inferior nasal concha.
		the bone forming the lower jaw; the largest and strongest bone of the face, presenting a body and a pair of rami, which articulate with the skull at the tempromandibular joints.
	www.bioanth.org /biomed/anatomy.htm (704 words)

	eMedicine - Facial Bone Anatomy : Article by Babak Jahan-Parwar, MD (Site not responding. Last check: 2007-10-18)
		It articulates with the palatine bone posteriorly and with the ethmoid, lacrimal, and inferior concha bones medially.
		Anteriorly, the external surface is convex superiorly, and it articulates with the parietal bones posteriorly and the greater wing of the sphenoid posteroinferiorly.
		The orbital surface articulates posteriorly with the greater and lesser wings of the sphenoid bone; medially with the ethmoid, lacrimal, and maxillary bones; and laterally with the zygoma.
	www.emedicine.com /ent/topic9.htm (2494 words)

	[No title]
		The criteria for a 10 percent evaluation for residuals of a fracture of the nasal bone prior to February 6, 1992 are met.
		The criteria for an evaluation in excess of 10 percent for residuals of a fracture of the nasal bone are not met.
		The diagnosis was nasal septal perforation, postoperative septoplasty.
	www.va.gov /vetapp/files3/9420218.txt (3906 words)

	II. Osteology. 5a. 3. The Frontal Bone. Gray, Henry. 1918. Anatomy of the Human Body.
		The frontal bone resembles a cockle-shell in form, and consists of two portions—a vertical portion, the squama, corresponding with the region of the forehead; and an orbital or horizontal portion, which enters into the formation of the roofs of the orbital and nasal cavities.
		They are larger in the male than in the female, and their degree of prominence depends to some extent on the size of the frontal air sinuses; 28 prominent ridges are, however, occasionally associated with small air sinuses.
		The spine forms part of the septum of the nose, articulating in front with the crest of the nasal bones and behind with the perpendicular plate of the ethmoid.
	www.bartleby.com /107/33.html (1319 words)

	Probert Encyclopaedia: Medicine (N-Nd) (Site not responding. Last check: 2007-10-18)
		The nasal bone forms the roof of the nasal cavity and the bridge of the nose.
		The nasal bone forms the roof, while the sides are formed by the ethmoid bone and maxillary bones.
		The superior and middle turbinates are protrusions from the ethmoid bone, while the inferior turbinate is attached to the maxillary bone.
	www.probertencyclopaedia.com /EE.HTM (847 words)

	II. Osteology. 5b. 5. The Palatine Bone. Gray, Henry. 1918. Anatomy of the Human Body.
		The palatine bone is situated at the back part of the nasal cavity between the maxilla and the pterygoid process of the sphenoid (Fig.
		It contributes to the walls of three cavities: the floor and lateral wall of the nasal cavity, the roof of the mouth, and the floor of the orbit; it enters into the formation of two fossæ, the pterygopalatine and pterygoid fossæ; and one fissure, the inferior orbital fissure.
		Some authorities describe the bone as ossifying from four centers: one for the pyramidal process and portion of the vertical part behind the pterygopalatine groove; a second for the rest of the vertical and the horizontal parts; a third for the orbital, and a fourth for the sphenoidal process.
	www.bartleby.com /107/41.html (1304 words)

	NasalAnatomy (Site not responding. Last check: 2007-10-18)
		The nasal septum divides the nasal cavity through the middle, and is formed by septal cartilage at the tip and by bone closer to the skull.
		The nostrils lead to nasal cavities, one on each side, which in turn lead to the pharynx and then to the voice box (larynx) and windpipe (trachea).The nasal cavities are also connected to the paranasal sinuses and receive drainage of tear fluid through the nasolacrimal ducts; the Eustachian tubes connect the ears to the pharynx.
		The bones surrounding the nasal cavities are the vomer and portions of the frontal, ethmoid, maxillary and sphenoid bones.
	www.polychondritis.com /Nasal_Anatomy/NasalAnatomy.html (736 words)

	LLU School of Dentistry Journal
		The obturator was based on the remaining posterior aspect of the left tuberosity of the maxilla and lateral posterior nasal wall and was being held anteriorly by a narrow isthmus of the skin of the vermillion border of the lip.
		It was decided that the bar previously placed required elongation to accommodate the nasal prosthesis and that the nasal prosthesis could be held with Hader clips to the bar without the necessity of using the superiorly based implant in the nasal bone itself.
		There was adequate bone in the right maxillary area at the junction of the zygomatic buttress with the margins of the defect and a 3.5mm x 10mm implant was placed in a horizontal orientation in that area.
	www.llu.edu /llu/dentistry/journal/sum00/postoncolsurgery.html (1357 words)

	eMedicine - Fractures, Nasal and Septal : Article by Adam T Ross, MD (Site not responding. Last check: 2007-10-18)
		Upper lateral cartilages are attached to the nasal bones superiorly, the quadrangular cartilage of the septum medially, and the lower lateral cartilages (ie, tip cartilages) inferiorly.
		The nasal septum (see Image 3) has a cartilaginous and bony component that is lined with mucoperichondrium and mucoperiosteum, from which the cartilage and bone receive their blood supply.
		Dorsal nasal reconstruction with rib graft or calvarial bone grafts is necessary in patients with severe nasal injuries, significant saddle-nose deformity, loss of dorsal projection, and shortened nasal length; the reconstruction must be discussed with the patient.
	www.emedicine.com /ent/topic159.htm (2226 words)

	Phenotypic Characteristics of Absent and Hypoplastic Nasal Bones in Fetuses With Down Syndrome: Description by ...
		nasal bones occurred in 42.3% (11 of 26) of the fetuses with
		absence of the nasal bones in 24% (8 of 33) of the fetuses with
		Vintzileos A, Walters C, Yeo L. Absent nasal bone in the prenatal detection of fetuses with trisomy 21 in a high-risk population.
	www.jultrasoundmed.org /cgi/content/full/23/12/1619 (3711 words)

	The Piltdown Nasal Turbinate and Bone Implement:
		This supports the view that the turbinal and nasal bones fell away from the skull when the skull was broken up by the workmen at least six years before, The pit was a shallow excavation by the roadside not more than five feet in depth.
		The nasal bones, unless they are united at the internasal suture, are likely to become separated from each other as soon as they are detached from the skull.
		The nasal bones might have passed, but the turbinate in itself and in relation to the nasal bones was a mistake.
	www.clarku.edu /~piltdown/map_expose/pilt_nasalturbinate_bone.html (1418 words)

	[No title] (Site not responding. Last check: 2007-10-18)
		The veteran's residuals of fracture of the nasal bone are primarily manifested by breathing difficulty and recurrent sneezing episodes.
		The examiner's diagnostic impression was deviated nasal septum to the left, causing mild obstruction to that side.
		In the absence of deflection of the nasal septum productive of marked interference with breathing space, or moderate maxillary sinusitis symptoms attributable to the disability at issue, the symptoms of service-connected residuals of fracture of the nasal bone will not support an evaluation in excess of noncompensable.
	www.va.gov /vetapp/files1/9401068.txt (1353 words)

	[No title] (Site not responding. Last check: 2007-10-18)
		Lateral nasal cartilage-fixed by suture to nasal bones and continuous with septal cartilage The origin and distribution of the arteries of the external nose and nasal cavity: Septal branch of superior labial-branch of facial artery Anterior ethmoidal-From ophthalmic artery which is a branch of internal carotid.
		Anatomical landmarks, bones, and soft structures associated w/ the nasal cavity, oral cavity, oropharynx and nasopharynx: Nares-2 pear-shaped or piriform openings, pierce the inferior surface of the nose, bounded laterally by alae of the nose and separated by fleshy part of skin overlying the nasal septum.
		The bones associated with the nose (Appendix J) netter plates 31,33,34 Nasal-(facial bone) Maxillary-(facial bone)-skeleton of upper jaw.
	www.med.unc.edu /wms/firstaid/ga4-session34-02.doc (1796 words)

	Table of contents for Bone grafting techniques for maxillary implants
		32 3:18 The inferior alveolar nerve is medial to the bone graft region.
		66 5:62 Mucoperiosteal flap elevated and the bony nasal aperture exposed.
		68 5:70 Bone graft and osteosutures in the down-fractured maxilla.
	www.loc.gov /catdir/toc/ecip0421/2004019236.html (2367 words)

	[No title] (Site not responding. Last check: 2007-10-18)
		The linear prominence on the medial border of the palatine bone.
		The linear prominence on the internal border of the nasal bone and forming part of the nasal septum.
		100, of the greatest width of the anterior nasal openings of the skull to the height of the nasal skeleton.
	www.accessscience.com /Dictionary/N/N2/DictN2.html (2175 words)

	Fetal Nasal Bone Predicts Down Syndrome
		In earlier research, Nicolaides and colleagues from London's King's College Hospital found that an underdeveloped fetal nasal bone is a predictor of Down syndrome.
		In this study, reported in the journal Ultrasound in Obstetrics and Gynecology, the researchers examined the frequency of finding absent nasal bones in chromosomally normal and abnormal fetuses during the second trimester.
		They found that the bone was underdeveloped in 62% of the fetuses with Down syndrome, but, again, in only about 1% of normal fetuses.
	www.webmd.com /content/article/57/65947.htm (320 words)

	All About Revision Rhinoplasty - Nasal Anatomy & Function
		Its anterior margin, thickest above, is connected with the nasal bones, and is continuous with the anterior margins of the lateral cartilages; below, it is connected to the medial crura of the greater alar cartilages by fibrous tissue.
		The arteries of the external nose are the alar and septal branches of the external maxillary, which supply the alæ and septum; the dorsum and sides being supplied from the dorsal nasal branch of the ophthalmic and the infraorbital branch of the internal maxillary.
		It may be divided into three portions: of these, the anterior articulates with the conchal crest of the maxilla; the posterior with the conchal crest of the palatine; the middle portion presents three well-marked processes, which vary much in their size and form.
	www.revisionrhinoplasty.net /nasalanatomy.htm (1753 words)

	Science News: Hominoid lineages and keystone clues - using nasal bone outlines to classify hominoid groups
		Connecting the nasal bones, he reported, was a keystone-shaped pattern of sutures that characterizes only robust australopithecines, also known as Paranthropus, as well two other distinct suture patterns marking modern apes and humans.
		Olson also holds that Eckhardt misinterpretednasal bone anatomy by concentrating on the skull surface and not the pattern of sutures on the inside of the skull.
		Photo: The nasal bone keystone pattern on theskull of a modern chimp.
	www.findarticles.com /p/articles/mi_m1200/is_v132/ai_5114655 (558 words)

	Nasal Bone Evaluation in Fetuses With Down Syndrome During the Second and Third Trimesters of Pregnancy -- Lee et al. ...
		Nasal Bone Evaluation in Fetuses With Down Syndrome During the Second and Third Trimesters of Pregnancy -- Lee et al.
		using the absence of the nasal bone as a sonographic marker.
		A nonvisualized nasal bone identified 40% to 45% of fetuses
	www.jultrasoundmed.org /cgi/content/abstract/22/1/55 (418 words)

	.:Dinosauria:. (Site not responding. Last check: 2007-10-18)
		These sounds could be used as a form of recognition between the individuals of the group, to alert the friends of the approach of a predator or as a form of dispute (singing) between males, so that the females choose with who wanted to breed.
		The animals without crest possessed great nasal opening, indicating that they could have had a stock that could be filled with air and would allow the animal to emit sounds.
		Recent analyses of the diverse bone of the top of the head of Pachycephalosauria carried through by Mark Goodwin had demonstrated that this bone was very porous and vascular, and would not serve for head-butting therefore the two animals would finish dying.
	www.dinosauriaong.hpg.ig.com.br /dino/ecri3.htm (805 words)

	[No title] (Site not responding. Last check: 2007-10-18)
		Nasal bone holds key to safer test for birth defects.
		"If the nasal bone is present, then the risk of having a baby with Down's syndrome is automatically reduced to one-third of what it was before the scan," says Nicolaides.
		Nasal bone hypoplasia in trisomy 21 at 15-22 weeks' gestation.
	www.nature.com /news/2002/021216/pf/021216-14_pf.html (416 words)

	Ultrasound scan spots Down's syndrome - Nasal bone holds key to safer test for birth defects. (Site not responding. Last check: 2007-10-18)
		An ultrasound scan for the fetal nose bone might cut the number of women whose fetuses need a test for Down's syndrome.
		The nasal scan is more accurate than previous ultrasound markers, such as the length of leg bones.
		The nasal bone can be a good marker for Down's syndrome, agrees Rosemary Reiss, who practises maternal fetal medicine at Brigham and Women's Hospital in Boston, Massachusetts.
	www.vaccinationnews.com /dailynews/December2002/UltrasoundScan20.htm (495 words)

	[No title]
		Note: fractures of nose are common; fractures of cribriform plate of ethmoid (which forms roof of nasal cavity and floor of anterior cranial fossa) can lead to meningitis or cerebrospinal fluid leakage into nasal cavity if the dura is torn.
		7.69, 7.68) ‑ air filled extensions of nasal cavities; all are paired; develop after birth; lined by mucous membrane; serve to lighten growing bones; a mistake of evolution, because could have filled growing bones with spongy bone and would not get infected.
		Lymphatics ‑ Drain to Jugulodigastric node (one of the Deep Cervical nodes, becomes enlarged during tonsillitis); node located near angle of mandible and inferior to posterior belly of digastric.
	musom.marshall.edu /anatomy/grosshom/z_nasalcav.html (931 words)

	OB/GYN News: Missing fetal nasal bone refines trisomy 21 Dx - Ultrasound Screening at 11-14 Weeks
		Ultrasound screening for the absence of a fetal nasal bone at 11-14 weeks' gestation is a new technique that offers promise for further refining the prenatal diagnosis of trisomy 21, according to Dr. Simona Cicero of King's College Hospital Medical School, London, and her associates.
		Among 59 fetuses later determined by chorionic villus sampling and fetal karyotyping to have trisomy 21, the nasal bone was noted to be absent on ultrasound in 43 (73%).
		In comparison, among the 603 normal-karyotype fetuses, the nasal bone was absent in only 3 (0.5%).
	www.findarticles.com /p/articles/mi_m0CYD/is_3_37/ai_82879207 (359 words)

	Absent Nasal Bone in the Prenatal Detection of Fetuses With Trisomy 21 in a High-Risk Population -- Vintzileos et al. ...
		Absent Nasal Bone in the Prenatal Detection of Fetuses With Trisomy 21 in a High-Risk Population -- Vintzileos et al.
		Articles by Vintzileos, A. Articles by Yeo, L. Absent Nasal Bone in the Prenatal Detection of Fetuses With Trisomy 21 in a High-Risk Population
		OBJECTIVE: To estimate the usefulness of absent nasal bone by
	www.greenjournal.org /cgi/content/abstract/101/5/905 (402 words)

	Skull, Scalp and Superficial Face
		Several of the bones of the skull have developed air spaces that are lined with mucous membrane.
		Since these sinuses are embedded in bone, they cannot be seen easily on regular skull preparations and usually require sawing into the bone to see them.
		Once you have learned some of the bones of the skull, you should then try to visualize some areas as they project to the skin.
	mywebpages.comcast.net /wnor/lesson1.htm (1057 words)

	Rhinoplasty Dissection Manual: INTERMEDIATE OSTEOTOMIES
		The intermediate osteotomy allows recontouring of the nasal bone for correction of the severely deviated bony vault.
		A 2-mm transcutaneous osteotomy performed midway up the nasal bone is typically used to complete the intermediate osteotomy.
		If there is difficulty medializing the nasal bones, a blade handle can be used to shift the bony septum to the midline with the nasal bones.
	www.therhinoplastycenter.com /Rhinoplasty-Manual/ch7_4.html (308 words)

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