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  Encyclopedia of Keywords > Society > Humans > Skull > Occipital Bone   Michael Charnine

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  1. Occipital bone: The bone that forms the rear and the rear bottom of the skull.
  2. The Occipital bone is a Cranial bone.
  3. The occipital bone is a modified vertebra.
  4. The occipital bone: the external occipital protuberance is located inferior to lambda. (Web site)
  5. Occipital Bone: One occipital bone forms the most posterior part of the skull and the base of the cranium.

Occipital Bone

  1. 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.
  2. The squama of the occipital bone, situated above and behind the foramen magnum, is curved from above downward and from side to side.
  3. Foramen magnum of the occipital bone - on the inferior surface of the skull find the occipital bone.

Cruciate Eminence

  1. Occipital Bone The sphenoid bone has a wing-like shape and is internally wedged between several other bones in the front part of the cranium (fig. (Web site)
  2. In the occipital bone, at the point of intersection of the four divisions of the cruciate eminence is the internal occipital protuberance. (Web site)
  3. The internal surface of the occipital bone is deeply concave and divided into four foss-- by a cruciform eminence ( or cruciate eminence). (Web site)

Lateral Parts

  1. The condylar canal (or condyloid canal) is a canal in the condyloid fossa of the lateral parts of occipital bone behind the occipital condyle. (Web site)
  2. The lateral parts of the occipital bone present the occipital condyles at the sides of the foramen magnum. (Web site)
  3. On either side of the foramen are the lateral parts of occipital bone.


  1. The thick, somewhat quadrilateral piece in front of the foramen is called the basilar part of occipital bone.
  2. This growth can put a large amount of tension on the "obstetrical hinge," which is where the squamous and lateral parts of the occipital bone meet.
  3. When exceptionally large they may extend into the roots of the pterygoid processes or great wings, and may invade the basilar part of the occipital bone. (Web site)
  4. Pars basilar, occipital bone.
  5. The basilar part of the occipital bone joins the sphenoid bone (fig. (Web site)

Parietal Bones

  1. Lambdoidal suture ---The suture between the two parietal bones and the occipital bone in the skull. (Web site)
  2. The parietal bones and the occipital bone meet at the posterior fontanelle ( lambda). (Web site)
  3. The bones of the skull include the frontal bone, the occipital bone, two parietal bones, and two temporal bones.
  4. The longitudinal axes of the skull and muzzle are parallel; the frontal furrow is slightly accentuated and the occipital protuberance slightly marked. (Web site)


  1. The atlas forms a condylar joint (a type of synovial joint) with the occipital bone of the skull. (Web site)
  2. A detailed, life size reproduction of the atlas and axis vertebrae, including the occipital bone.
  3. More results condyloid joint formed by the articulation of the atlas of the vertebral column with the occipital bone of the skull.
  4. Occipital bone, the point of the occiput in the mesial plane farthest from the ophryon. (Web site)


  1. The occipital bone has a large opening, the foramen magnum, through which the brain connects to the spinal cord.
  2. It is a round opening in the occipital bone at the base of the skull which allows the nerves of the upper spinal cord to pass through the skull.


  1. Median sagittal section through the occipital bone and first three cervical vertebr--.
  2. Its medial half is marked by a sulcus, which forms, with a corresponding sulcus on the occipital bone, the channel for the inferior petrosal sinus. (Web site)
  3. Forming the base and rear of the cranium is the occipital bone. (Web site)
  4. The occipital bone forms the back of the skull and the base of the cranium. (Web site)
  5. In the back of the skull, the parietals connect with the occipital bone along the lambdoid suture. (Web site)
  6. The Occiput (CO), also known as the Occipital Bone, is a flat bone that forms the back of the head.
  7. Features complete pelvis, sacrum, occipital bone, vertebral artery and nerve branches.
  8. Occipital bone, inner surface.
  9. The hypoglossal canal is a bony canal in the occipital bone of the skull. (Web site)
  10. It lies in the epiphyseal junction between the basiocciput and the jugular process of the occipital bone. (Web site)
  11. Figure 1 : Occipital bone, outer surface. (Web site)
  12. The occipital bone at the posterior base of the cranium. (Web site)
  13. The superior and inferior nuchal lines on the occipital bone. (Web site)
  14. Image:Gray 131 - Occipital bone at birth.png The planum occipitale [Fig. (Web site)
  15. The jugular foramen lies between the occipital bone and the temporal bone (Figure 7-3e).
  16. The semispinalis capitis attaches from the transverse processes of T1-5 and the articular processes of C4-7 to the occipital bone (Clemente 333; Grant p. (Web site)

Human Brain

  1. The occipital lobes are the smallest of four true lobes in the human brain. (Web site)

Brain Stem

  1. The right half breaks down into two parts: frontal and parietal lobes, and the brain stem with temporal and occipital lobes.
  2. ATLAS First cervical vertebrae, articulating with the occipital bone and rotating around the dens of the axis. (Web site)
  3. It extends from the external occipital protuberance and median nuchal line to the spinous process of the seventh cervical vertebra. (Web site)


  1. A. temporal bone B. mandible C. sphenoid bone D. ethmoid bone E. occipital bone. (Web site)

Foramen Magnum

  1. The external surface is convex and presents midway between the summit of the bone and the foramen magnum a prominence, the external occipital protuberance. (Web site)
  2. The occipital bone, situated at the back and base of the skull, presents the foramen magnum, the squama, and the occipital condyles. (Web site)

Occipital Cortex

  1. The inion is the most prominent projection of the occipital bone at the posterioinferior (lower rear) part of the skull. (Web site)
  2. In all mammals studied, it is located in the posterior pole of the occipital cortex (the occipital cortex is responsible for processing visual stimuli). (Web site)

Visual Cortex

  1. The primary visual cortex, V1, is the koniocortex (sensory type) located in and around the calcarine fissure in the occipital lobe. (Web site)
  2. Functional organization of human visual cortex in occipital polymicrogyria.


  1. It receives information from the superior colliculus of the midbrain and then relays it to the visual areas of the cortex in the occipital lobe. (Web site)

Hypoglossal Canal

  1. The alar ligaments connect the sides of the dens (on the axis, or the second cervical vertebra) to tubercles on the medial side of the occipital condyle.
  2. Lateral to each occipital condyle are the Condylar Fossae and Foramen while the Hypoglossal Canal is medial to them. (Web site)
  3. The Harper fragment appears flat without any of the expected cupping and curvature of inner occipital bone thus it is probably parietal. (Web site)

Corpus Callosum

  1. The white-matter fibers forming the corpus callosum predominantly connect symmetrical regions in the frontal, parietal, temporal, and occipital lobes.
  2. The part of the occipital bone that lies anterior to the foramen magnum and joins with the body of the sphenoid bone. (Web site)
  3. Grill-Spector K, Kourtzi Z, Kanwisher N (2001) The lateral occipital complex and its role in object recognition.

Cerebral Cortex

  1. The cerebral cortex is divided into four sections, called "lobes": the frontal lobe, parietal lobe, occipital lobe, and temporal lobe. (Web site)
  2. From here axons pass to the occipital lobe of the cerebral cortex. (Web site)

Occipital Artery

  1. An artery that is one of the terminal branches of the posterior cerebral artery and supplies lateral portions of the temporal lobe; lateral occipital artery. (Web site)

Hypoglossal Nerve

  1. The occipital bone in humans is formed by the fusion of the sclerotomes corresponding to the roots of the hypoglossal nerve.

Occipital Nerves

  1. Occipital headache may result from inflammation, injury, or pressure on the occipital nerves, upper cervical spinal roots, dorsal horn, or sensory ganglion. (Web site)


  1. The top or first cervical vertebra of the neck, supporting the skull and articulating with the occipital bone and rotating around the dens of the axis. (Web site)
  2. These findings suggest that resident education should focus in particular on upper cervical spine injuries, occipital condyle, and dens fractures.
  3. A triangular interval at the union of the lambdoid and sagittal sutures where the occipital angles of the parietal bones meet the occipital. (Web site)


  1. Their afferent vessels drain the occipital region of the scalp, while their efferents pass to the superior deep cervical glands. (Web site)


  1. This detailed, lifelike spine features pelvis, nerve branches, vertebral artery, movable femur heads, occipital bone, and herniated lumbar disc.

Occipital Neuralgia

  1. Occipital neuralgia is a very well recognized cause of posterior headache. (Web site)


  1. Features complete pelvis, sacrum, occipital bone, vertebral artery and nerve branches. (Web site)

Occipital Lobe

  1. Each association fiber bundle is lateral to the centrum ovale of a cerebral hemisphere and connects the frontal, occipital, parietal, and temporal lobes.
  2. The anterior commissure also connects the temporal lobe to the amygdala and to the occipital lobe in the other hemisphere. (Web site)
  3. Parietal, occipital, temporal, frontal, thalamus and cerebellum regions were studied. (Web site)

Sagittal Suture

  1. The cerebellum is a cauliflower-shaped brain structure located just above the brainstem, beneath the occipital lobes at the base of the skull.
  2. The sagittal suture runs longitudinally along the crest of the head from the frontal bone to the occipital.


  1. One can divide the cerebrum into four lobes quite readily: Frontal Lobe, Parietal Lobe, Occipital Lobe, and Temporal Lobe.
  2. The cerebral cortex is composed of two hemispheres comprising four lobes: the frontal, temporal, parietal, and occipital lobes.


  1. There is a correspondance between places within the visual field and neurons in the occipital cortex.


  1. The cerebellum, located beneath the occipital lobe and posterior to the medulla and pons, is an important regulator of motor function. (Web site)
  2. Its dorsal section extends from the occipital protuberance of the skull (the poll) to the withers, then narrows to become the supraspinous ligament.
  3. The part which curves backwards from each side of the Splenium into the Occipital Lobe called the Forceps Posterior or Major. (Web site)
  4. It has to do with the relation between the atlas, the tip of the odontoid process, and the margin of the occipital bone.
  5. F IG. 197– Skull at birth, showing frontal and occipital fonticuli. (Web site)

Spinal Cord

  1. The skull base consists of maxilla, frontal, ethimoid, sphenoid, temporal, parietal, and occipital bones. (Web site)
  2. Occipital bone (Anat.), the bone which forms the posterior segment of the skull and surrounds the great foramen by which the spinal cord leaves the cranium.
  3. The cerebral hemispheres run under the frontal, parietal, and occipital bones of the skull.


  1. The sphenoid bone (os sphenoidale) is a bone situated at the base of the skull in front of the temporals and basilar part of the occipital. (Web site)


  1. The frontal, temporal, parietal, and occipital lobes cover the brain's surface; the insula is hidden under the Sylvian fissure (see Fig.


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  Originally created: April 02, 2008.
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