Some of the migraine medications used to treat or prevent migraine headaches are also used for other conditions. Antidepressants, anticonvulsants, antihistamines, and narcotic pain relievers are all used in migraine therapy.
These insects either have hemimetabolous development, and undergo an incomplete or partial metamorphosis, or holometabolous development, which undergo a complete metamorphosis, including a pupal or resting stage between the larval and adult forms. In hemimetabolous insects, immature stages are called nymphs.
In animals, one of the three basic types of tissue formed during gastrulation; gives rise to all other tissues. hemimetabolous metamorphosis. A type of metamorphosis in which the animal increases in size from one stage to the next, but does not dramatically change its body form. Also called incomplete metamorphosis.holometabolous metamorphosis. A type of metamorphosis in which the animal completely changes its form.n animals, one of the three basic types of tissue formed during gastrulation; gives rise to all other tissues. hemimetabolous metamorphosis. A type of metamorphosis in which the animal increases in size from one stage to the next, but does not dramatically change its body form. Also called incomplete metamorphosis.