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5 Cards in this Set
- Front
- Back
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Beginning, end |
It one of 2 Terminal ends of ECA of Parotid At Nose (sphenopalatine artery) |
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Parts |
1st : Mandibular part ( behind Neck of mandible) 2nd : Pterygoid part (muscular part) ( over Lateral pterygoid muscle or deep to it) 3rd : Pterygopalatine part ( Pterygopalatine fossa) |
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Courses |
Escapes from anteromedial Surface of Parotid, then pass behind Neck of mandible, pass between it w sphenomandibular Ligament, then pass over Lateral pterygoid muscle or deep to it, then enter between its two heads to enter Pterygopalatine fossa through its Lateral wall (pterygomaxillary fissure) |
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Branches |
1st part : MIADA M: Middle Meningeal artery : encircled by two roots of Auriculotemporal Nerve, Ascends to foramen spinosum to Supply Meninges I: Inferior alveolar artery : descends to Mandibular foramen to Supply lower Jaw. Escapes from Mental foramen A: Accessory meningeal artery : Ascends to skull through foramen ovale D: Deep auricular artery : to auricle, ex auditory tube A: Anterior tympanic artery : to middle ear
All pass through bony foramina
2nd : Masseteric artery 2 deep temporal arteries Pterygoid artery Buccal artery
3rd : 5 Branches in pterygopalatine fossa |
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Pterygoid venous plexus, site, drains by , communication, tributaries |
Over Lateral pterygoid muscle Max vein joins with superficial temporal vein to Form RetroMandibular vein With cavernous sinus through emissary vein Recieve tributaries corresponding to Branches of Max artery |
