• At (8), muscle fibers of the lateral pterygoid muscle attach to the lateral plate of the pterygoid hamulus, a bony projection of the sphenoid bone. (toothiq.com)
  • Indications for a preauricular approach include tumors that originate in the ITF and intracranial tumors that originate at the anterior aspect of the temporal bone or greater wing of the sphenoid bone and that extend into the ITF. (medscape.com)
  • Pterygopalatine fossa formed anteriorly by maxillary body, posteriorly by base of pterygoid process of the sphenoid bone and medially - by the perpendicular plate of the palatine bone. (medmuv.com)
  • Cribriform plate: forms narrow roof of nasal cavity  Sphenoid bone 1. (slideshare.net)
  • A 49-year-old female patient with history of right rhinorrhea with features of hyper-pneumatization of sphenoid bone involving right greater wing of sphenoid bone and bilateral pterygoid process with a bony defect in the right greater wing of sphenoid was demonstrated on CT. (springeropen.com)
  • Oct 20, 2016 - Explore fofo's board "sphenoid bone" on Pinterest. (web.app)
  • The sphenoid bone is situated at the base of the skull in front of the temporals and basilar part of the occipital. (web.app)
  • The sphenoid bone, also known as Os sphenoidale, is a cranial bone, shaped like a butterfly or a wasp, which occupies most of the middle part of the skull's base, making up the middle region of the cranial fossa. (web.app)
  • The sphenoid sinus is one of the four paired paranasal sinuses that is contained within the body of the sphenoid bone.The sphenoid sinuses vary in size and shape, and owing to the lateral displacement of the intervening septum, which may insert on the carotid canal, they are rarely symmetrical. (web.app)
  • The sphenoid bone is made up of several parts: a central body that contains the sella turcica, and two greater wings and two lesser wings laterally. (web.app)
  • Sphenoid Bone (os sphenoidale). (web.app)
  • yet, there are few reports on its effects on the sphenoid bone. (e-kjo.org)
  • With cone-beam computed topography (CBCT), it is possible to visualize sphenoid bone changes. (e-kjo.org)
  • The purpose of this study was to investigate sphenoid bone changes observed in conjunction with RME treatments, using CBCT. (e-kjo.org)
  • In this study, there were no clinically significant changes in the sphenoid bone due to RME treatments regardless of sex or treatment type. (e-kjo.org)
  • The sphenoid bone, through the pterygoid plates, is one of these direct attachments. (e-kjo.org)
  • Among these is the sphenoid bone, which is attached to the maxillary bone through the pterygomaxillary suture at the pterygoid plate level. (e-kjo.org)
  • 2 Given reports of a posterior maxillary sutural width increase of 1.12 mm due to RME, 4 it was hypothesized that the sphenoid bone may also be affected by this orthodontic movement. (e-kjo.org)
  • Of note however, the effects of expansion treatment on the sphenoid bone are not very well understood, as traditional radiographs are two-dimensional (2D) and thus do not enable true visualization of the sphenoid bone itself. (e-kjo.org)
  • Because they are 2D, radiographs depict the superimposition of structures, preventing a clear view of the sphenoid bone. (e-kjo.org)
  • Portions of the sphenoid bone remain that demonstrate the apex of the orbits and associated contents, the greater wings containing the temporal lobes, the foramen rotundum for the maxillary nerve, and pterygoid (Vidian) canal for the pterygoid (Vidian) nerve. (neurosurgicalatlas.com)
  • The anterior and middle fossae are separated by the lesser wing of sphenoid bone, and the middle and posterior fossae are separated by petrous part of temporal bone. (medchrome.com)
  • Infratemporal region of the greater wing of the sphenoid bone. (smilescare.com)
  • This can result in a fracture of the glenoid fossa and displacement of the condyle into the middle cranial fossa, potentially injuring the facial and vestibulocochlear nerves and the temporal lobe. (wikipedia.org)
  • The lateral parts of the middle fossa are of considerable depth, and support the temporal lobes of the brain. (bartleby.com)
  • The temporomandibular fossa moves anterior laterally with temporal internal rotation on the right side which is what this illustration depicts. (posturalrestoration.com)
  • The fossa moves posteriorly and medially when this happens and usually results in compression of the temporomandibular joint disc between the anterior lateral temporal fossa and the anterior mandibular condyle and that's when you often see anterior disc displacements occurring on the left side. (posturalrestoration.com)
  • The TMJ is composed of articular surface of the mandibular condyle and mandibular fossa of the temporal bone. (pogophysio.com.au)
  • Prygopalatine fossa communicates with internal cranial base through foramen rotundum , with orbit thruogh inferior orbital fissura , with mouth cavity through greater and lesser palatine canals, with external cranial base (foramen lacerum ) through pterygoid canal. (medmuv.com)
  • The nerve of the pterygoid canal passes through the pterygoid canal to the pterygo-palatine fossa, where it joins the spheno-palatine ganglion. (co.ma)
  • The TMJ is formed by the mandibular condyle and the glenoid fossa of the temporal bone. (msdmanuals.com)
  • Statistical significance was established in patient groups of the same sex and treatment type for the following distance measurements: right anterior lateral pterygoid plate to the right edge of the hypophyseal fossa (d 2 ), anterior distance between the medial pterygoid plates (d 4 ), and anterior distance between the left medial and lateral plates (d 8 ). (e-kjo.org)
  • 1,3 More recent developments in 3D computerized models have been used to assist with the visuo-spatial challenges of temporal lobectomy, 4 cerebral aneurysm clipping, 5,6 transpetrous surgical approach model, 7 temporal bone dissection, 8,9 and posterior fossa surgical planning. (neurosurgicalatlas.com)
  • Temporalis Muscle is the fan-shaped muscles originated from temporal fossa of the skull. (smilescare.com)
  • The inferior temporal line across the entire temporal fossa, including parts of the parietal and most of the squama of the temporal bones. (smilescare.com)
  • Spheno-orbital meningiomas are characterized by bone invasion with extensive hyperostosis and possible encroachment into the orbit, infra-temporal fossa, and/or the cavernous sinus that render total surgical excision challenging. (springeropen.com)
  • However, factors such as extension of the hyperostosis to the infra-temporal fossa or medial orbital wall, tumor invasion of the cavernous sinus, or adherence of tumor to the orbital muscles, prevent total excision. (springeropen.com)
  • The condyle fits into the fossa of the temporal bone. (eastwoodphysio.com)
  • An extremely important part of the anatomy of the TMJ is the articular disc within the joint, which sits between the bony fossa of the temporal bone and the bony condyle of the mandibular bone. (eastwoodphysio.com)
  • The disc, which is made up soft malleable fibers, follows the motion of the condyle and acts as a deformable pad that allows the condyle to move forwards and backwards on the temporal fossa as the jaw opens and closes. (eastwoodphysio.com)
  • the posterior runs lateralward and backward across the temporal squama and passes on to the parietal near the middle of its lower border. (bartleby.com)
  • The parietal bone or os parietale is a paired, flat cranial bone that covers the mid portion of the skull. (flyinggiraffeteas.com)
  • it articulates with the parietal and temporal bones anteriorly, and the atlas inferiorly. (flyinggiraffeteas.com)
  • Both bones cover the left and right parietal lobes of the brain respectively. (flyinggiraffeteas.com)
  • It extends from the posterior surface of the body of the epistropheus to the basilar groove on the superior surface of the basilar part of the occipital bone, spreading laterally on the circumference of the foramen magnum. (co.ma)
  • and a crus superius, also median and longitudinal, whose fibres extend from the crus transversum upwards to the posterior surface of the basilar part of occipital bone, immediately subjacent to the membrana tectoria. (co.ma)
  • A) Frontal view shows the greater sphenoid wings (G) and pterygoid plates (P) resembling the wings of a bird with extended limbs, respectively.The sphenoid sinus (S), posterior wall of the orbit (O), and planum sphenoidale (N) are also highlighted. (web.app)
  • Anterior and posterior deep Temporal nerve from mandibular division of trigeminal nerve. (smilescare.com)
  • a prominence midway between the posterior margin of the foramen magnum and the superior angle of the bone. (worldofmedicalsaviours.com)
  • The articular disc attaches anteriorly to the lateral pterygoid (muscle) and posteriorly to the joint capsule and connective tissue. (pogophysio.com.au)
  • 6 Cranial and facial Bones  Inferior nasal concha: surrounded anteriorly by maxillary bone  Lacrimal bone: visible between maxilla anteriorly and ethmoid posteriorly  Palatine bone 1. (slideshare.net)
  • While the purpose of RME is to separate both halves of the maxilla, each bone is connected posteriorly to other bones, which creates resistance to expansion. (e-kjo.org)
  • The skull is the skeleton of the head , a series of bones from its two parts, the Neurocranium and Facial skull. (medmuv.com)
  • Learning objectives  Know the different bones of the skull and face? (slideshare.net)
  • Bone of the base of the skull Maxilla bone 1. (slideshare.net)
  • Further, presence of hyper-pneumatized paranasal sinuses or the skull base weakens the bone and predisposes to development of spontaneous defects and further fistulas. (springeropen.com)
  • In the skull, the bones of the splanchnocranium appeared before the neurocranium. (ac.ir)
  • It is large shaped in appearance and covers the Temporal area of the skull. (intelligentdental.com)
  • The feline skull has very complex anatomy with more than fifty bones that are usually paired. (vetbloom.com)
  • It is a large muscle which covers the temporal bone of the skull. (smilescare.com)
  • They have a tendency to stimulate bone hyperostosis in neighboring skull bones more than most meningiomas and the extent of hyperostosis is usually not proportionate to the size of the meningioma or the soft tissue component, which usually tends to be small [ 7 , 8 ]. (springeropen.com)
  • The temporal bone or os temporale is a paired, irregular bone and the thickest in the human body, located at the sides and base of the skull. (flyinggiraffeteas.com)
  • When the sphenoid, zygomatic, frontonasal bones and the base of the skull are affected, the disease is called craniofacial FD [ 12 , 13 , 17 - 20 ]. (opendentistryjournal.com)
  • It is a bony cave under the temporal bone of the skull. (medcentertmj.com)
  • One part is located on the temple bone of the skull (which is denoted by the 'temporo' part of the joint's name). (eastwoodphysio.com)
  • The lateral pterygoid muscle also has two portions and also originates from within the skull. (eastwoodphysio.com)
  • Venous drainage is into the pterygoid venous plexus . (teachmeanatomy.info)
  • Because of these connections, an infection of the face may spread to the cavernous sinus and pterygoid venous plexus. (gov.gy)
  • The center of rotation of the maxilla in the X direction was somewhere between the lateral and the medial pterygoid plates. (unboundmedicine.com)
  • A 26-year-old female patient with history of right rhinorrhea with imaging evidence of bilateral hyper-pneumatized petrous bones and a bony defect in the right petrous bone on computed tomography (CT). (springeropen.com)
  • In addition, a bony defect of ~ 2 mm with adjacent bone scalloping involving the anterolateral aspect of petrous part of right temporal bone (Fig. 1 ) was demonstrated. (springeropen.com)
  • 15 Multiple prior attempts to create temporal bone virtualizations have been reported and are claimed to positively impact the understanding of the body's most intricate bony anatomy. (neurosurgicalatlas.com)
  • At day 28, bony ankylosis showed increased biological process related to new bone formation, while fibrous ankylosis was characterized by a prolonged immune and inflammatory reaction. (medscimonit.com)
  • This case report highlights two cases of spontaneous CSF leaks associated with hyper-pneumatized petrous bone and sphenoid sinus. (springeropen.com)
  • Hyper-pneumatized petrous bone and paranasal sinuses can be attributed as a risk factor for formation of spontaneous CSF leaks. (springeropen.com)
  • In this study, we wish to highlight the existence of spontaneous CSF leak as an entity associated with hyper-pneumatized petrous bone and sphenoid sinus. (springeropen.com)
  • Plain CT study showed hyper-pneumatization of the petrous bones with associated soft tissue thickening within (Fig. 1 ). (springeropen.com)
  • Corresponding MRI brain revealed features of right mastoiditis extending to involve the pneumatized petrous bone (Fig. 3 ). (springeropen.com)
  • Arises from the petrous temporal bone and the eustachian tube, before inserting into the palatine aponeurosis. (teachmeanatomy.info)
  • Not infrequently this arched border becomes ossified, thus converting the groove on the bone into a foramen. (co.ma)
  • En este caso queda reflejada la presencia simultanea de aire en la circulacion cerebral arterial y venosa y la comunicacion periferica a traves de un foramen oval permeable. (bvsalud.org)
  • This nerve is formed in the cranial cavity, upon the cartilage filling up the foramen lacerum, by the union of the greater superficial petrosal nerve from the genicular ganglion of the facial nerve (emerging from the temporal bone through the hiatus canalis facialis) with the deep petrosal nerve, a branch of the sympathetic plexus on the internal carotid artery. (co.ma)
  • Some common changes to the shape of the mandibular condyle include "cane-shaped remodeling", pole depression or flattening, surface erosion, and bone spurs (Nah, 2012). (uaf.edu)
  • medially, by the vertical part of the palatine bone with its orbital and sphenoidal processes. (medmuv.com)
  • The middle palatine nerve descends through a small palatine canal, and, piercing the pyramidal process of the palate bone, is distributed to the mucous membrane of the soft palate, uvula, and palatine tonsil. (co.ma)
  • and (ii) horizontal plates of the palatine bones. (teachmeanatomy.info)
  • Lesser palatine foramina - located in the pyramidal process of the palatine bone, transmits the lesser palatine nerve. (teachmeanatomy.info)
  • Fig 2 - The hard palate is formed by the contributions from the maxilla and palatine bones. (teachmeanatomy.info)
  • Originates from the medial pterygoid plate of the sphenoid and inserts into the palatine aponeurosis. (teachmeanatomy.info)
  • It  Arises from the deep head the lateral pterygoid plate, and from the maxillary tuberosity. (intelligentdental.com)
  • Notice the meningeal contrast enhancement of the temporal lobe (arrow) and right lateral pterygoid myositis. (avma.org)
  • Hence, space-occupying lesions, such as tumors in the supratentorial compartment, produce increased intracranial pressure, and may cause part of the adjacent temporal lobe of the brain to herniate through the tentorial notch. (gov.gy)
  • As per these words, this cannot be true for those cases of FD with the involvement of maxilla because of the presence of contiguous bones like zygoma [ 2 , 25 , 26 ]. (opendentistryjournal.com)
  • Kockro and Hwang in 2009 created an interactive 3D virtual model of the temporal bone and its intricate microsurgical anatomy to assist with understanding the anatomical relationships. (neurosurgicalatlas.com)
  • This 3 part 3D printed model derived from CT data highlights the complex anatomy of the temporal bone including bone ossicles, canals, chambers, foramina and air spaces. (open-medis.com)
  • This video covers the anatomy, location and relations of the vomer, a vertical bone of the viscerocranium that runs within the nasal cavity. (flyinggiraffeteas.com)
  • Anatomy of the Scaphoid Bone. (flyinggiraffeteas.com)
  • Chemical composition and physical properties, https://www.britannica.com/science/bone-anatomy, University of Rochester Medical Center - Bone, bone - Children's Encyclopedia (Ages 8-11), bone - Student Encyclopedia (Ages 11 and up). (flyinggiraffeteas.com)
  • Q. Anatomical terms of bone [edit on Wikidata] In anatomy, the atlas (C1) is the most superior (first) cervical vertebra of the spine and is located in the neck. (flyinggiraffeteas.com)
  • Anatomy of a Phalanx Parts of the Bone. (flyinggiraffeteas.com)
  • The cranium has a domelike root - the Calvaria - skullcap - and a floor or cranial base consisting of the ethmoid bone and parts of the occipital and temporal bones. (medmuv.com)
  • In this study, we aimed to measure the stresses both on the pterygoid plates and the cranial base during the down-fracture and at the time of pterygomaxillary osteotomy by using the finite element analysis method to have an idea about the possible causes of complications. (bvsalud.org)
  • The distant structures of the craniofacial skeleton--zygomatic bone, temporal bone, and frontal bone--were also affected by transverse orthopedic forces. (unboundmedicine.com)
  • it is usually completed laterally by the orbital plate of the frontal bone. (bartleby.com)
  • Unites with frontal bone to form lateral orbital margin b. (slideshare.net)
  • Nasion: midline depression where nasal bones meet frontal bone 3. (slideshare.net)
  • However, the preauricular approach provides inadequate exposure for the resection of tumors that invade the tympanic bone and does not provide adequate access to the intratemporal facial nerve or jugular bulb. (medscape.com)
  • The facial skeleton consists of the bones surrounding the mouth and nose and contributing to the orbits (eye sockets, orbital cavities). (medmuv.com)
  • 5 Cranial and facial Bones  Zygomatic bone ("cheekbone") 1. (slideshare.net)
  • 7 Cranial and facial Bones  Ethmoid bone 1. (slideshare.net)
  • 8 Cranial and facial Bones  Mandibular bone 1. (slideshare.net)
  • Cranial nerve VII (facial nerve) is located within the temporal bone's facial canal. (completechiropractic.com)
  • As a result, it can cause deformity of the jaw bones which can further lead to severe facial asymmetry. (opendentistryjournal.com)
  • There are two articulations between the atlas and the occipital bone. (co.ma)
  • The condyle of the occipital bone is biconvex, and fits into the bi-concave superior articular surface of the atlas, while the long axes of the two joints are directed horizontally forwards and medially. (co.ma)
  • It is attached to the rough non-articular surfaces surrounding the articular areas on the atlas and occipital bone. (co.ma)
  • Laterally it is in continuity with the articular capsules, while in the median plane, where it extends from the anterior tubercle of the atlas to the basilar part of the occipital bone, it presents a specially well-defined thickened band which might be regarded as a separate accessory ligament or as the beginning of the anterior longitudinal ligament of the vertebræ. (co.ma)
  • They are attached medially to the sides of the summit of the dens, and laterally to the tubercle on the medial aspect of the condylar portions of the occipital bone. (co.ma)
  • The basilar process of the occipital bone. (flyinggiraffeteas.com)
  • Occipital bone forms the region of the occiput(back of the head) and is trapezoid in shape. (worldofmedicalsaviours.com)
  • There are numerous ligaments and muscles that attach to the bones of the TMJ. (eastwoodphysio.com)
  • Ligaments attach bones to other bones and their primary responsibility is to maintain stability of the joint (keep the joint in place). (eastwoodphysio.com)
  • In health, there is a cushioning disk between these two bones, which is attached to, and moves with the condyle. (toothiq.com)
  • 1 RME separates the palatal suture and reportedly changes the surrounding sutural structures (i.e., nasal suture, the maxillary zygomatic suture, and zygomatic temporal suture). (e-kjo.org)
  • 3 Complete skeletal expansion is not accomplished because of resistance of the adjacent hard and soft structures surrounding the maxillary bones. (e-kjo.org)
  • 20 The literature is devoid of a repository of 3D virtual models for all cranial bones and important neurovascular structures, which is necessary to provide a comprehensive reference. (neurosurgicalatlas.com)
  • Then, on the photomicrograph of bone, identify all structures named in the box below and draw a circle around a single osteon. (solutionessays.com)
  • Gordodon is the oldest known tetrapod herbivore with a dentary diastema, extending the temporal range of that anatomical feature back 95 million years from the Late Triassic. (palaeo-electronica.org)
  • A stable joint means that the bones remain in the correct anatomical position at rest and while in motion and this allows the joint to function as it is designed to do. (eastwoodphysio.com)
  • Spheno-orbital meningiomas (SOM) represent a subgroup of sphenoid ridge meningiomas that are also known as the en-plaque meningiomas account for 20% of intracranial meningiomas [ 1 ]. (springeropen.com)
  • Vascular supply of the Temporalis Muscle is via branches of the superficial temporal and maxillary arteries. (smilescare.com)
  • Each cerebral hemisphere is divided for descriptive purposes into four lobes, each of which is related to , but the boundaries of which do not correspond to , the overlying bones of the same name. (gov.gy)
  • The nerve of the pterygoid canal and a meningeal branch from the ascending pharyngeal artery pierce the layer of fibrocartilage. (bartleby.com)
  • and, near the apex of the bone, the depression for the semilunar ganglion and the orifice of the carotid canal. (bartleby.com)
  • La tomografia computarizada inicial objetivo fractura en los arcos cigomatico, esfenoidal y maxilar izquierdos, asi como neumoencefalo en los senos cavernosos y el canal carotideo derecho. (bvsalud.org)
  • The motor and sympathetic roots of the ganglion are derived from the nerve of the pterygoid canal. (co.ma)
  • A sensory branch of the mandibular nerve (CN V3) It passes through the parotid gland en route to the ear, where it innervates skin of the pinna, external auditory canal, and tympanic membrane. (unboundmedicine.com)
  • The tympanic part of the temporal bone surrounds the external auditory meatus, forming the canal that transmits auditory signals to the auditory nerve. (completechiropractic.com)
  • A bone is a rigid organ that constitutes part of the vertebrate skeleton in animals. (flyinggiraffeteas.com)
  • Although ancestors of the cyclostomes and elasmobranchs had armoured headcases, which served largely a protective function and appear to have been true bone, modern cyclostomes have only an endoskeleton, or inner skeleton, of noncalcified cartilage and elasmobranchs a skeleton of calcified cartilage. (flyinggiraffeteas.com)
  • Also classify each bone as belonging to the axial or appendicular skeleton. (solutionessays.com)
  • They are all innervated by the pharyngeal branch of the vagus nerve (CN X) - apart from Tensor veli palatini - which is innervated by the medial pterygoid nerve (a branch of CN V 3 ). (teachmeanatomy.info)
  • Mandibular nerve through the medial pterygoid. (intelligentdental.com)
  • The Lateral Pterygoid Muscle has two heads of origin, smaller Superior head, and larger inferior head. (smilescare.com)
  • 4 The maxillary bone houses the nasal cavity, along with the smaller incisive and nasal bones. (vetbloom.com)
  • Within the rostral nasal cavity are nasal turbinates, which are thin scrolls of bone that make up the dorsal and ventral nasal conchae. (vetbloom.com)
  • 4 In cats, characteristics most seen with neoplasia include unilateral soft tissue opacification of the nasal cavity and paranasal bone lysis with tooth loss. (vetbloom.com)