Which cranial nerve is involved in Kallmann syndrome? (LQ)
OLFACTORY NERVE –Lesions.
Anosmia →Absence of ability to smell – Kallmann syndrome
Hyperosmia →Increased sensitivity to smell – migraine, Addison’s diseases, hyperemesis gravida
Olfactory is the only sensory modality which has no thalamic connection. Q
Extra Edge: Kallmann syndrome = Anosmia + congenital deficiency of hypothalamic gonadotrophic hormone. Q