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Topic: Occipital bone

Related Topics

Sphenoid bone

Temporal bone

Palatine bone

Parietal bone

Parietal bone

Ethmoid bone

Frontal bone

Frontal bone

Zygomatic bone

Lacrimal bone

Vomer bone

Nasal bone

Skull

List of bones of the human skeleton

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	Occipital bone - Wikipedia, the free encyclopedia
		The occipital bone, a saucer-shaped membrane bone situated at the back and lower part of the cranium, is trapezoid in shape and curved on itself.
		The superior angle of the occipital bone articulates with the occipital angles of the parietal bones and, in the fetal skull, corresponds in position with the posterior fontanelle.
		The occipital, like the other cranial the outer and inner tables, between which is the cancellous tissue or diploë; the bone is especially thick at the ridges, protuberances, condyles, and anterior part of the basilar part; in the inferior fossæ it is thin, semitransparent, and destitute of diploë.
	en.wikipedia.org /wiki/Occipital_bone (492 words)

	Head Lecture notes
		The last piece of cartilage to ossify is between the body of the sphenoid bone and the occipital bone, anterior to the foramen magnum: this is the spheno-occipital synchondrosis (the epiphyseal plate for growth in length of the base of the skull and it ossifies at age 25).
		The parietal bones are separated by the sagittal suture and from the frontal bone by the coronal suture.
		The hypoglossal canal (anterior condylar) canal and the posterior condylar canal.
	web.indstate.edu /thcme/duong/head.html.txt (1219 words)

	II. Osteology. 5a. The Cranial Bones. 1. The Occipital Bone. Gray, Henry. 1918. Anatomy of the Human Body.
		From the external occipital protuberance a ridge or crest, the median nuchal line, often faintly marked, descends to the foramen magnum, and affords attachment to the ligamentum nuchæ; running from the middle of this line across either half of the nuchal plane is the inferior nuchal line.
		The upper two fossæ are triangular and lodge the occipital lobes of the cerebrum; the lower two are quadrilateral and accommodate the hemispheres of the cerebellum.
		The lower division of the cruciate eminence is prominent, and is named the internal occipital crest; it bifurcates near the foramen magnum and gives attachment to the falx cerebelli; in the attached margin of this falx is the occipital sinus, which is sometimes duplicated.
	www.bartleby.com /107/31.html (1850 words)

	CHAPTER 42: THE SKULL AND HYOID BONE
		The tympanic nerve (from cranial nerve 9) and the auricular branch of cranial nerve 10 pierce the skull in or near the jugular fossa.
		The groove between the petrous part of the temporal bone and the greater wing of the sphenoid bone is occupied in vivo by the cartilaginous part of the auditory tube.
		42-19 The" sphenoidal ridge" is the posterior border of the lesser wing of the sphenoid bone.
	www.dartmouth.edu /~humananatomy/part_8/chapter_42.html (6737 words)

	Occipital bone
		The external surface is convex and presents midway between the summit of the bone and the foramen magnum a prominence, the external occipital protuberance.
		From this protuberance the upper division of the cruciate eminence runs to the superior angle of the bone, and on one side of it (generally the right) is a deep groove, the sagittal sulcus, which lodges the hinder part of the superior sagittal sinus; to the margins of this sulcus the falx cerebri is attached.
		The occipital articulates with six bones: the two parietals, the two temporals, the sphenoid, and the atlas.
	www.xasa.com /wiki/en/wikipedia/o/oc/occipital_bone.html (1863 words)

	Skull (upper view)
		Coronal suture: seam between the frontal bone and the parietals.
		Parietal foramen: cavities of the parietal bone near the sagittal suture.
		Lambdoidal suture: seam between the occipital bone and the parietals.
	www.infovisual.info /03/017_en.html (70 words)

	Neck
		The large opening, or foramen magnum, in the occipital bone can be seen in the inferior view of the skull, and allows the nerves of the upper spinal cord to pass through the skull between the brain and the rest of the spinal cord.
		The bones of the skull, with the exception of the mandible, are held together by very thin sutures, or seams, in which the periosteum of the individual bones interweave with each other, and are cemented by a fibrous, connective tissue.
		The teeth are mounted in the maxillary bone and the mandible, and are brought together for chewing by the hinge-like motion of the mandible (the lower jawbone).
	www.american.edu /adonahue/k10neck.htm (1586 words)

	Bones and Joints of the Head and Neck - Self-study
		it articulates with the mandibular fossa of the temporal bone
		it articulates with the parietal bone and the greater wing of the sphenoid bone at the squamous suture
		the zygomatic bone is frequently fractured in blows to the side of the orbit; the temporal fascia attaches to the zygomatic arch
	anatomy.uams.edu /AnatomyHTML/bonesheadneckss.html (4343 words)

	The Human Skull
		Crossing the middle of the bone in an arched direction are two curved lines, the superior and inferior temporal lines; the former gives attachment to the temporal fascia, and the latter indicates the upper limit of the muscular origin of the Temporalis.
		The occipital angle is rounded and corresponds with the point of meeting of the sagittal and lambdoidal sutures—a point which is termed the lambda; in the fetus this part of the skull is membranous, and is called the posterior fontanelle.
		The mastoid angle is truncated; it articulates with the occipital bone and with the mastoid portion of the temporal, and presents on its inner surface a broad, shallow groove which lodges part of the transverse sinus.
	www.becomehealthynow.com /article2/bodyskeleton/830/1 (1770 words)

	Base of skull (exterior view)
		Occipitomastoid suture: seam between the occipital bone and the mastoid.
		Occipital foramen: cavity in the occipital bone on the rear surface of the skull.
		Occipital condyle: smooth, rounded surface of the occipital bone.
	www.infovisual.info /03/018_en.html (166 words)

	Glossary of Skeletal Anatomy (Site not responding. Last check: 2007-10-12)
		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.
		the end of a long bone that is originally separated from the main bone by a layer of cartilage but that later becomes united to the main bone through ossification [compare to suture and symphysis].
	www.bioanth.org /biomed/anatomy.htm (704 words)

	Occipital Bone (Site not responding. Last check: 2007-10-12)
		The "occipital bone" joins the parietal bones along the "lambdoidal suture." It forms the back of the skull and the base of the cranium.
		There is a large opening on its lower surface called the "foramen magnum," through which nerve fibers from the brain pass and enter the vertebral canal to become part of the spinal cord.
		Rounded processes called "occipital condyles," which are located on each side of the foramen magnum, unite with the first vertebra of the spinal column.
	www.innerbody.com /text/skel42.html (93 words)

	The Harper Fragment
		The conclusion is that the Harper fragment is parietal bone
		In the case of parietal bone, vascular grooves are mainly from branches of the middle meningeal.
		Parietal bone is characterized by a relatively smooth (excluding vascular grooves) inner surface, mild curvature, and relatively uniform thickness.
	mcadams.posc.mu.edu /harper1.htm (1428 words)

	skull
		As you study the bones of the skeleton, you will also be learning the names of a few prominent external landmarks that serve as joint surfaces (e.g.
		The bones of the skull, with one pair of exceptions, are joined together by immovable fibrous joints called sutures.
		The trochlea (medial condyle) and capitulum (lateral condyle) articulate with the bones of the forearm to form the elbow joint.
	www.ucalgary.ca /~rosenber/BonesandSelectedMarkings.html (1009 words)

	Skull (posterior view)
		External occipital protuberance: bump on the external surface of the occipital bone.
		External occipital crest: serrated outgrowth of the occipital bone, crossing it from top to bottom.
		Occipital: bone forming the lower back part of the skull.
	www.infovisual.info /03/016_en.html (97 words)

	Posterior Occipital Cervical Fixation
		Occipital screws at the cephalad end of a fusion may limit problems associated with occipital fixation.
		Occipital screw length ranges from 6mm to 14mm with the average screw measuring 10mm.
		The occipital screws should be placed last, after the C2 and subaxial screws are inserted which are applied with much less variability than the occipital screws.
	www.spineuniverse.com /displayarticle.php/article288.html (1591 words)

	Skull
		It is posterior to the frontal bone, inferior and medial to the temporal bones and anterior to the occipital bone.
		: is the suture between the parietal bones and the occipital bone.
		you have three structures that all have "zygomatic" in them: a bone: zygomatic bones, a part of a bone: zygomatic process of the temporal bone and a structure (to be illustrated soon) made up of parts of two bones: zygomatic arch made up of parts of the temporal and zygomatic bones.
	bio.winona.edu /dapkus/211/Skeletal/skull.htm (2161 words)

	Extensive Occipital Bone Pneumatization Presenting as an Occipital Mass -- Pans et al. 181 (3): 891 -- American Journal ...
		Axial high-resolution CT scan obtained with bone window setting through occipital bone reveals extensive pneumatization of occiput and posteriorly located collection of free air.
		Outer cortex of occiput is fractured, causing connection between free air and occipital bone.
		Lo WWM, Zapata E. Pneumatization of the occipital bone as a cause of radiolucent skull lesion.
	www.ajronline.org /cgi/content/full/181/3/891 (561 words)

	Dept of Anth: Occipital Page (Site not responding. Last check: 2007-10-12)
		The Occipital Bone consists of a large squamous, or flattened portion separated from a small thick basal portion by the Foramen Magnum on either side of which is a left or right Occipital Condyle.
		Externally, the squamous portion of the bone possesses Superior, Middle, and Inferior Nuchal Lines to which the muscles at the back of the neck are attached.
		Running inferior from the eminence to the foramen magnum is the Internal Occipital Crest which separates the Cerebellar Fossae.
	www.csuchico.edu /anth/Module/occipital.html (288 words)

	Occipital (Site not responding. Last check: 2007-10-12)
		The foramen magnum is the spinal canal of this bone.
		The occipital abuts the temporal bones at the sides and the sphenoid bone at the narrow front.
		It is actually itself made up of four smaller bones which unite into a single occipital bone at about six years of age.
	www.pediatric-orthopedics.com /Topics/Bones/Skull/Skullduggery/Occipital/occipital.html (157 words)

	Occipital Bone (Site not responding. Last check: 2007-10-12)
		The occipital bone is an irregular, four-sided bone that is somewhat curved upon itself.
		This bone assists with the formation of the base of the cranium, the sides of the skull, and the floors and sides of the orbits.
		The ethmoid bone is situated in front of the sphenoid bone in the front part of the cranium (fig.
	www.tpub.com /dental1/17.htm (197 words)

	NeurosurgeryToday.org \| What is Neurosurgery \| Patient Education Materials \| occipital plagiocephaly (Site not responding. Last check: 2007-10-12)
		Effect of molding to produce occipital plagiocephaly: On the left is an illustration of a normal infant head, with the skull sutures identified.
		As the pressure on the occipital bones continues, the bone (which, after all, is a living breathing thing) begins to react to this stress by forming a little ridge of bone near the lambdoid suture.
		Although it may not resolve completely, the remaining occipital flattening is usually minor and is not visible because it is covered with hair as the child grows.
	www.neurosurgerytoday.org /what/patient_e/occipital.asp (1536 words)

	Newborns: Skull Anatomy - Children's Hospital Boston
		Although the skull appears to be one large bone, there are actually several major bones that are connected together.
		Each parietal bone plate meets the occipital bone plate at the lambdoid suture.
		There are two fontanelles (the space between the bones of an infant's skull where the sutures intersect) that are covered by tough membranes.
	www.childrenshospital.org /az/Site574/printerfriendlypageS574P0.html (380 words)

	Paksitan Journal of Medical Sciences
		To ascertain the incidence and position of the emissary vein in the squamous part of the occipital bone from the posterior margin of the foramen magnum to occipital protuberance.
		It is an observational study to evaluate the incidence of emissary vein in the squamous part of the occipital bone in Bangladeshi skulls.
		This foramen is present in the squamous part of the occipital bone at the occipital protuberance and it transmits a vein that connects the confluence of the sinuses with the veins of the suboccipital plexus and receiving also the occipital diploic vein.
	www.pjms.com.pk /issues/julsep01/article5.html (879 words)

	bone - Search Results - MSN Encarta
		Bone (anatomy), hard connective tissue, the major component of almost all skeletal systems in adult vertebrate animals.
		Annaba, formerly Bône, city, northeastern Algeria, capital of Annaba Province, a seaport on the Mediterranean Sea, near the mouth of the Seybouse...
		Bone Marrow, soft, pulpy tissue that fills the cavities of bones, occurring in two forms, red and yellow.
	encarta.msn.com /encnet/refpages/search.aspx?q=bone (156 words)

	JFK Assassination Medical Evidence: An Occipital Wound?
		Stereoscopic visualization of this fragment indicates that it is adherent to and on the surface of the hair.
		Conspiracy books assume that "occipital" must mean the area of the occipital bone.
		But speaking to the occipital question, Grossman [one of the Parkland doctors and] a neurosurgeon, suggested that part of the confusion surrounding the location of the head wound could be the result of the imprecision with which the term "occipital" is used.
	mcadams.posc.mu.edu /occipital.htm (785 words)

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