Facial nerve in the temporal bone mnemonic

Branches of the facial nerve inside the temporal bone

The mnemonic

GSC

What each word stands for

  • GGreater petrosal nerve, lacrimation
  • SNerve to stapedius, hyperacusis
  • CChorda tympani, taste on anterior two-thirds of tongue

Why it matters clinically

Loss of these functions helps localise the level of a facial nerve lesion.

Where it stops being reliable

Omits the branch to the sensory auricular area and the order along the canal.

Teaching aid, still awaiting independent review. Confirm facts in a standard source.

More mnemonics

Common questions

What is the Facial nerve in the temporal bone mnemonic?

GSC. It helps you recall: Branches of the facial nerve inside the temporal bone.

What does "G" stand for?

Greater petrosal nerve, lacrimation

What does "S" stand for?

Nerve to stapedius, hyperacusis

What does "C" stand for?

Chorda tympani, taste on anterior two-thirds of tongue

What are all the parts of the GSC mnemonic?

G: Greater petrosal nerve, lacrimation; S: Nerve to stapedius, hyperacusis; C: Chorda tympani, taste on anterior two-thirds of tongue.

Which topic does this mnemonic belong to?

It belongs to Facial nerve in the temporal bone in ENT.

Where does this mnemonic stop being reliable?

Omits the branch to the sensory auricular area and the order along the canal.

How is this useful clinically?

Loss of these functions helps localise the level of a facial nerve lesion.

How do I make this mnemonic stick?

Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a ENT question about Facial nerve in the temporal bone.

Is this a standard mnemonic?

It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.