ENT Flashcards
(47 cards)
Most reliable landmark of TMembrane
Lateral process of malleus
Most mobile part of tympanic membrane
Umbo
Cone of light falls where in Tympanic membrane
Antero inferior quadrant of pars tensa
Which nerve on face gets thickened in laprosy?
Great auricular nerve
nerve supply to Antero superior EA canal
Auricotemporal nerve- Branch of V3
Nerve supply to floor/antero inferior EA canal
Arnold’s vranch of vagus
Nerve supply to Posterior superior EA canal
Facial nerve
Nerve supply to anterior half of lateral aspect of TM
Auricotemporal nerve- Branch of V3
Nerve supply to posterior half of lateral aspect of TM
Arnold’s nerve branch of Vagus
Nerve supply to medial aspect of TM
Jacobson’s nerve- branch of Glossopharyngeal nerve
Oval window is covered by which structure?
Foot plate of stapes
Round window is covered with which structure?
Secondary tympanic membrane
Which muscle hook around the processus cochleariformis and where it is attached?
Tensor tympani
Attached to handle of malleus
Which nerve supplies to tensor tympani and tensor vali palitini?
Mandibular nerve
Archuate eminance in tegmen of middle ear is due to which structure?
Superior semicircular canal
Promontary on medial wall of middle ear is formed due to which structure?
1st turn/ basal turn of cochlea
Dome of which structure is present on medial wall of middle ear?
Lateral semicircular canal
Which muscle arises from posterior wall of middle ear and attaches to which structure?
Stapedius
To neck of stapes
Which nerve supplies to stapedius?
Facial nerve
Lateral scc= another Name of semicircular canal- Which head movement it is involved- Which nystagmus it produces
Horizontal scc
No no movement
Horizontal nystagmus
Posterior scc= another Name of semicircular canal- Which head movement it is involved- Which nystagmus it produces
Vertical scc
Yes yes movement
Vertical nystagmus
Anterior scc= another Name of semicircular canal- Which head movement it is involved- Which nystagmus it produces
Superior scc
Ear to shoulder movement
Torsional nystagmus
Which structure of inner ear detects horizontal linear acceleration?
Utricle
Which structure of inner ear detects vertical linear acceleration?
Saccule