Features
Totally 11 kind of normal or diseased ear drum:
1) Acute otitis media
2) Acute otitis media without obvious signs
3) Abnormal secretion of middle ear
4) Tympanosclerosis
5) Myringotomy
6) Ear wax(a little big)
7) Acute middle ear infection
8) Otitis media (case 1)
9) Otitis media(case 2)
10) effusion of posterior ear drum
11) Perforation of ear drum
