Long, acute or progressive course is characteristic of:

Of the primary headaches, most often confused with secondary headache

Second messenger for a tyrosine kinase linked receptor

Common cause of epilepsy in an adult

Second messenger for a tyrosine kinase linked receptor

Painful cutaneous sensations in response to wind or light touch to the face.

Undeveloped mesenteric/myenteric plexus

Progressive disease may result in mute presentation

Regarding migraine pathophysiology, involved in initiation

Termination mechanism unique to Galpha(s)