Deep face/pharynx
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| show | O: 1.Infratemporal space, 2.Lateral surface of lateral pterygoid.
Ins: Mandibular condyle and TMJ.
Innv: Lateral Pterygoid N (V3).
Action: Protracts mandible, depresses chin.
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| Medial Pterygoid M | show 🗑
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| Inferior Alveolar N | show 🗑
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| show | Branches off the Maxillary A in the infratemporal fossa. It descends to enter the ramus of the mandible. Supplies the Mandible
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| show | branches off the mandibular Branch (V3) in the infratemporal fossa. Lies just anterior to the Inferior Alveolar nerve. It enters the mouth between the medial pterygoid muscles and the ramus of the mandible. Provides GSA to the anterior 2/3 of the tongue.
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| Middle Meningeal A. | show 🗑
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| Sphenopalatine A | show 🗑
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| show | Branch of CN VII branching off before it exites the stylomastoid foramen. It joins the lingual N in the infratemporal fossa and provides taste SA for the anterior 2/3 of the tongue and as well as secretomotor fibers to submandibular/lingual glands.
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| Auricotemporal N | show 🗑
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| Temporomandibular Joint | show 🗑
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| show | Fibrocartilage that seperates the mandibular fossa (on head of mandible) and the articular tubercle of the temporal bone. Attached to the interal aspect of capsule.
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| Lingual N | show 🗑
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| Auricotemporal N | show 🗑
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| Temporomandibular Joint | show 🗑
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| show | branches off the mandibular Branch (V3) in the infratemporal fossa. Lies just anterior to the Inferior Alveolar nerve. It enters the mouth between the medial pterygoid muscles and the ramus of the mandible. Provides GSA to the anterior 2/3 of the tongue.
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| show | Branch of CN VII branching off before it exites the stylomastoid foramen. It joins the lingual N in the infratemporal fossa and provides taste SA for the anterior 2/3 of the tongue and as well as secretomotor fibers to submandibular/lingual glands.
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| Palatoglossus M | show 🗑
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| Auricotemporal N | show 🗑
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| Stylohyoid M | show 🗑
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| show | Hinge synovial joint. Boney articulations: Mandibular fossa and the articular tubercle of the temporal bone.
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| Digastric M: posterior belly | show 🗑
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| show | Fibrocartilage that seperates the mandibular fossa (on head of mandible) and the articular tubercle of the temporal bone. Attached to the interal aspect of capsule.
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| show | O: Hard palate, palatine aponeurosis.
I: Lateral wall of pharynx.
I: CN X.
A: Tenses soft palate, pulls pharynx sup/ant/med during swallowing.
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| show | O: Palatine aponeurosis.
I: Side of the tounge.
I: CN X.
A: Elevates posterior tongue towards soft palate.
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| Stylohyoid M | show 🗑
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| show | Vertical fold of mucous membrane just inferoir to opening of the Eustachian tube. It covers the salpingopharyngeus M.
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| show | Collection of intraepithelial lymphoid tissue in the submucosa of the pharynx near the opening of the Eustachian tube.
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| Oropharynx | show 🗑
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| show | Infraepithelial lymphoid tissue on each side of the oropharynx between the palatine arches.
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| Palatoglossal Arch | show 🗑
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| show | Contains the palatopharyngeal M. On both sides of oropharynx posterior to palatine tonsil and palatoglossal arch.
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| show | O: Pterygoid hamulus, pterygomandibular raphe, side of tongue.
I: Pharyngeal tubercle of occipital bone.
I: CN X.
A: constricts walls of pharynx during swallowing.
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| Middle Pharyngeal constricor M | show 🗑
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| show | O: Thyroid cartilage, side of cricoid cart.
I: Surround pharyngeoesophageal junction (NO RAPHE).
I: CN X.
A: constricts walls of pharynx during swallowing.
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| show | O: Styloid process of temporal bone.
I: Posterior/superior thyroid cartilage.
I: CN IX.
A: Elevates the pharynx and larynx during swallowing.
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| Salpingopharyngeus M | show 🗑
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| Nasopharynx | show 🗑
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| Orifice to Eustachian Tubes | show 🗑
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| Uvula | show 🗑
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| show | CN IX. Originates in the medulla. Has Sensory ganglia (Sup&Inf Petrosal) and ANS ganglia (otic). It exits the skull via the jugular foramen. Sensory taste SA to posterior 1/3 of tongue. Also secretomotor to the parotid gland. Motor to stylopharyngeus
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| Vagus N | show 🗑
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| Cervical portion of the sympathetic trunk | show 🗑
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| Inferior Cervical Ganglia | show 🗑
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| Middle cervical ganglia | show 🗑
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| show | Often fused with thoracic ganglia. Star shaped ganglion lies anterior to transverse process of C7 just superior to neck of first rib.
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