Mastoid gland

Occasionally penetrating wounds of the parotid gland may damage auriculotemporal and great auricular nerves. The auriculotemporal nerve includes parasympathetic (secretomotor), sensory and sympathetic fibres. The great auricular nerve includes sensory and sudomotor fibres. When these nerves are cut, during regeneration the secretomotor fibres grow into endoneurial sheaths of fibres supplying cutaneous receptors for pain, touch and temperature and sympathetic fibres supplying sweat glands and blood vessels. Hence a stimulation meant for salivation evokes cutaneous hyperesthesia, perspiration and flushing. The presenting features of Frey’s syndrome are:

Mastoid gland

mastoid gland

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