Dissection of pharynx from left lateral approach
Interior of auditory tube
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Image #66-5
Dissection of pharynx from left lateral approach
Interior of auditory tube
The levator veli palatini muscle has been partially resected and the auditory tube opened.
- Optic nerve (II)
- Inferior rectus muscle
- Maxillary nerve (V)
- Sphenoid sinus
- Sphenopalatine ganglion
- Internal maxillary artery (cut across near termination)
- Maxillary sinus
- Mucosa of inferior nasal meatus
- Descending palatine artery
- Tendon of tensor veli palatini muscle (cut off)
- Bursa tensor veli palatini muscle
- Dorsum of tongue
- Superior pharyngeal constrictor muscle (upper pointer, pterygopharyngeus muscle; lower pointer, buccopharyngeus muscle)
- Upper pointer: Internal carotid artery Lower pointer: Oculomotor nerve (III)
- Tegmen tympani
- Chorda tympani
- Promontorium tympani and tympanic plexus
- Tensor tympani muscle
- Upper pointer: Bony part auditory tube (dark area on medial wall indicates position of carotid canal) Lower pointer: Isthmus auditory tube
- Lateral plate I cartilaginous auditory tube
- Scaphoid fossa sphenoid bone (site of origin of tensor veli palatini muscle)
- Upper pointer: Cartilaginous part auditory tube Lower pointer: Bony pharyngeal auditory tube
- Pharyngeal branch ascending pharyngeal artery
- Internal jugular vein
- Upper pointer: Alar fascia Lower pointer: Internal carotid artery
- Upper pointer: Pharyngobasilar fascia Lower pointer: Cut end of levator veli palatini muscle
- Styloid process
- Glossopharyngeal nerve (IX)
- Vagus nerve (X)