Flashcards in Others Deck (11):
1
Tympanic cavity posterior wall
Facial canal - containing facial nerve and chorda tympani
Pyramidal eminence -
- Stapedius m attached to Pyrm em.
- Nerve to Stapedius contained in pyrm em. branching off Facial N.
Aditus to mastoid antrum
2
Anterior wall
Eustachian tube opening
Carotid canal petrous part
Chorda tympani, after it passes across the tympanic memb and joins the then exits to join lingual nerve
3
Inferior
Bulb of the jugular vein
4
Superior
Nothing in it, composed of petrous temp bone
5
Medial wall
Lateral semicircular canal bulge
Facial nerve canal bulge
Semicanal for tensor tympani muscle and muscle
Oval window.
Promontory of cochlea
Round window
6
Intermediate nerve
Contains the sensory and parasympathetic fibers of the facial nerve. Upon reaching the facial canal, it joins with the motor root of the facial nerve at the geniculate ganglion.
7
Tympanic cavity divisions
Epitympanic recess of Atti
Mesotympanium
Hypotympanic recess
8
Contents of epitympanic recess
of Atti
Head of malleus
Body of incus and ligaments
Chorda tympani
9
Antibiotics for acute purulent otitis media
7-10 days
Amoxicillin and clavulanic acid
Cephalosporins
Macrolides
Fluoroquinolones but only in adults.
Antiinflammatory drugs
Nasal drops
10
Benign tumors of the paranasal sinuses
Papilloma
Osteoma
Ossifying fibromas
Metaplastic osteogenesis.
Hemangiomas
Angiofibromas
11