... may refer to: Lateral pterygoid muscle Medial pterygoid muscle This disambiguation page lists articles ... associated with the title Pterygoid muscle. If an internal link led you here, you may wish to change the link to point directly ...
The lateral pterygoid muscle (or external pterygoid muscle) is a muscle of mastication. It has two heads. It lies superior to ... It lies superior to the medial pterygoid muscle. The lateral pterygoid muscle is supplied by pterygoid branches of the ... When each muscle works independently, they can move the mandible side to side. The lateral pterygoid muscle has an upper head ... the medial pterygoid muscle. It is supplied by pterygoid branches of the maxillary artery, and the lateral pterygoid nerve ( ...
... ... The medial pterygoid muscle (or internal pterygoid muscle), is a thick, quadrilateral muscle of the face. It is supplied by the ... The medial pterygoid muscle is supplied by the medial pterygoid nerve, a branch of the mandibular nerve, itself a branch of the ... The medial pterygoid muscle consists of two heads. The bulk of the muscle arises as a deep head from just above the medial ...
... and pterygoid muscles. The disease is usually bilateral. MMM is caused by the presence of 2M fibers in the muscles of the jaw. ... Most Commonly Asked Questions about Masticatory Muscle Myositis Masticatory muscle myositis (MMM), Dogs Masticatory Muscle ... Masticatory muscle myositis (MMM) is an inflammatory disease in dogs affecting the muscles of mastication (chewing). It is also ... The ultimate degree of recovery of jaw function and muscle mass will depend upon the extent of damage to the muscle tissue. ...
The pterygoid muscles would have been responsible for forward movement. After having sucked out the soft parts of the bivalves ... it has been inferred that it was short and toothless based on the well developed pterygoid and temporalis muscles. Like the ... The glenoid fossa allows for forward and backward movement of the mandible while the temporalis muscle, masseter, tongue and ... Furthermore, the extremely derived skull of Odobenocetops likely means that many of the nasolabialis muscles were reduced or ...
The pterygoid fovea is the site of insertion for the inferior head of the lateral pterygoid muscle. Tuncer, Ayşenur (2020). "14 ... The pterygoid fovea (occasionally called the pterygoid pit or the pterygoid depression) is located on the mandible. It is a ... Widmalm, S. E.; Lillie, J. H.; Ash, M. M. (1987). "Anatomical and electromyographic studies of the lateral pterygoid muscle". ...
... infiltration of deep muscles) and trismus (if the pterygoid muscle is involved in the parapharyngeal space).[citation needed] ... It may invade pterygoid muscles and mandible, resulting in pain and trismus. Parapharyngeal space may also get invaded. 50% of ...
... situated between the temporalis muscle and lateral pterygoid muscle, and partly between the two pterygoid muscles.[citation ... The contractions of the lateral pterygoid muscle promote venous drainage. The plexus drains all veins that correspond to the ... is a fine venous plexus upon and within the lateral pterygoid muscle. It drains by a short maxillary vein. It is a venous ... ISBN 978-0-7295-3752-0. Anatomy photo:27:13-0100 at the SUNY Downstate Medical Center - "Infratemporal Fossa: The Pterygoid ...
In these cases it is usually the medial pterygoid or the buccinator muscles. Oral surgery procedures, as in the extraction of ... Infection Local anesthesia (dental injections into the infratemporal fossa) Needle prick to the medial pterygoid muscle Oral ... When muscles of mastication are within the field of radiation, it leads to fibrosis and result in decreased mouth opening. ... Inflammation of muscles of mastication. It is a frequent sequel to surgical removal of mandibular third molars (lower wisdom ...
The artery passes superior-ward between the medial pterygoid muscle and styloglossus muscle. Upon reaching the superior border ... of the styloglossus muscle, the tonsillar artery penetrates the superior pharyngeal constrictor muscle to enter the pharynx and ...
... and medial pterygoid muscle. For the jaw to open it requires the lateral pterygoid muscle. There are four different positions ... When the muscle's alignment is out of sync, a pain will occur due to unwanted rotation of the jaw. If the pain remains constant ... The muscles that are affected during anterior jaw dislocation are the masseter and temporalis which pull up on the mandible and ... Numbing medications such as general anesthetics, muscle relaxants, or in some cases sedation, may be needed to relax the strong ...
... between the masseter muscle and medial pterygoid muscle. From its deep surface, some fibers of the styloglossus muscle ... between the masseter muscle and medial pterygoid muscle. The stylomandibular ligament limits mandibular movements, such as ... "Medial pterygoid muscle and stylomandibular ligament: the effects on postoperative stability". International Journal of Oral ...
... and the pterygoid muscles. The ventral portion lies on the pharynx and beginning of the esophagus, with the retropharyngeal ... Below these muscles, the two pouches fuse to form a median septum. The guttural pouches connect the middle ear to the pharynx. ... The left and right pouches are separated by the longus capitis and rectus capitis ventralis muscles dorsomedially. ...
They pass superior to the superior border of the lateral pterygoid muscle. They ascend to the temporal fossa[citation needed] ... The deep temporal nerves provide motor innervation to the temporalis muscle. The deep temporal nerves also have articular ... and provide motor innervation to the temporalis muscle. They usually arise from (the anterior division of) the mandibular nerve ... and enter the deep surface of the temporalis muscle. ...
It gives origin to a few fibers of the medial pterygoid muscle. This article incorporates text in the public domain from page ... side for articulation with the pyramidal process of the palatine bone and in some cases articulates with the lateral pterygoid ...
The lateral pterygoid muscle, auriculotemporal nerve, and the maxillary artery and maxillary vein are situated laterally to the ... The medial pterygoid muscle is situated inferolaterally to the SML. The inferior alveolar nerve, artery and vein, and a parotid ...
... masseter and medial pterygoid muscles. A part of the gland may extend between the ramus and medial pterygoid, as the pterygoid ... Parotid gland (incorrect muscle name) Mandibular division of the trigeminal nerve (5th Cranial Nerve) Wikimedia Commons has ... The parotid duct, a long excretory duct, emerges from the front of each gland, superficial to the masseter muscle. The duct ... The risorius is a small muscle embedded with this capsule substance. The gland has short, striated ducts and long, intercalated ...
Its posterior surface is convex; its anterior surface has a depression for the attachment of the lateral pterygoid muscle. ...
Miophyster may have had an adaptation to deep diving and / or developed pterygoid muscles for active biting. The researchers ... this conclusion judging by the presence of a deep and large notch on the ventral surface of the palatine bone and pterygoid. ...
... and the medial pterygoid muscle medially; the stylomandibular ligament is attached to the angle between these muscles. The ... Behind this groove is a rough surface, for the insertion of the medial pterygoid muscle. The mandibular canal runs obliquely ... the inferior muscle of the tongue) attaches; the geniohyoid muscle attaches to the lower mental spine. Above the mental spine, ... where the mylohyoid muscle attaches; a small part of the superior pharyngeal constrictor muscle attaches to the posterior ridge ...
As adults, they have blunted teeth and exaggerated lateral pterygoid muscles which allow them to be generalist feeders. In ... The Argentine black and white tegu is used to study the evolutionary history of shoulder joint locomotive muscles. Because of ... Fahn-Lai, Philip; Biewener, Andrew A.; Pierce, Stephanie E. (18 February 2020). "Broad similarities in shoulder muscle ... a result of hypertrophic lateral pterygoideus muscles), while females' jawlines are more streamlined.[citation needed] As the ...
The pterygoid fossa is small, conferring to a reduced medial pterygoid muscle (also important for biting). The zygomatic arches ... J. monesi has the deepest insertion point for the masseter muscle (which closes the mouth while biting down) of any rodent. It ... This is because they initially guessed J. monesi could not grind up tough plants due to having weak chewing muscles, on account ... monesi at the incisors by reconstructing the major biting muscles and their strengths. They reported 799-1,199 N (180-270 lbf) ...
The medial pterygoid nerve supplies the medial pterygoid muscle, tensor tympani muscle, and tensor veli palatini muscle (via ... It supplies the medial pterygoid muscle, the tensor veli palatini muscle, and the tensor tympani muscle. The medial pterygoid ... The medial pterygoid nerve (nerve to medial pterygoid, or internal pterygoid nerve[citation needed]) is a nerve of the head. It ... It penetrates the deep surface of the medial pterygoid muscle. It issues 1-2 twigs which traverse the otic ganglion (without ...
... and contains the medial pterygoid muscle and the tensor veli palatini muscle. Pterygoid fovea Scaphoid fossa Pterygoid process ... The pterygoid fossa is an anatomical term for the fossa formed by the divergence of the lateral pterygoid plate and the medial ... The lateral and medial pterygoid plates (of the pterygoid process of the sphenoid bone) diverge behind and enclose between them ... a V-shaped fossa, the pterygoid fossa. This fossa faces posteriorly, ...
... the latter of which serve as the origins of the medial and lateral pterygoid muscles. The medial pterygoid, along with the ... its medial surface forms part of the pterygoid fossa, and gives attachment to the medial pterygoid muscle. Posterior edge is ... The medial pterygoid plate (or medial pterygoid lamina) of the sphenoid bone is a horse-shoe shaped process that arises from ... The lateral pterygoid plate of the sphenoid (or lateral lamina of pterygoid process) is broad, thin, and everted and forms the ...
... surface of the lateral pterygoid muscle; it then passes between the two heads of origin of this muscle and enters the fossa. ... either superficial or deep to the lateral pterygoid muscle, to the pterygopalatine fossa. It supplies the deep structures of ... and runs along the lower border of the lateral pterygoid muscle. Branches include: Deep auricular artery Anterior tympanic ... Branches include: Masseteric artery Pterygoid branches Deep temporal arteries (anterior and posterior) Buccal artery The third ...
... seems to have been the dominant jaw muscle. A probable large temporal muscle compared to the lateral pterygoid muscle may ... which is filled by the medial pterygoid plate. This would have been the insertion for the medial pterygoid muscle that was ... The ridges for muscle attachments are poorly developed, which seems to have been compensated for by the powerful forearms. ... The ilia provided strong muscle attachments that were probably oriented and used much the same as those in an elephant. The ...
... inferiorly the medial pterygoid muscle medially (the space is superficial to medial pterygoid) the ascending ramus of the ... It is located between the lateral pterygoid muscle and the medial surface of the ramus of the mandible. The pterygomandibular ... around the medial pterygoid muscle). to the submasseteric space laterally (around the ramus of the mandible) to the parotid ... the posterior border of the buccal space anteriorly the parotid gland posteriorly the lateral pterygoid muscle superiorly the ...
... the inferior alveolar nerve passes posterior to the lateral pterygoid muscle. It issues a branch (the mylohyoid nerve)[ ...
Also if the needle is placed too medially the medial pterygoid muscle can be injected, resulting in trismus. The ... the needle is directed at the neck of the condyle just under the insertion of the lateral pterygoid muscle. This is used for ... Symptoms of this temporary loss of the use of the muscles of facial expression include the inability to close the eyelid and ...