Persistent notochord is the feature of which among the following?

Question

Persistent notochord is the feature of which among the following? (A) Chondrichthyes (B) Cyclostomata (C) Loa loa (D) None of these

Tardigrade Admin · Accepted Answer

Notochord develops invariably from the dorsal wall of archenteron as a thickening or upfolding. Cyclostomata have a persistent notochord through out of life. Vertebral column is small imperfect neural archs over the notochord.

Q. Persistent notochord is the feature of which among the following?

Chondrichthyes

Cyclostomata

Loa loa

None of these

Notochord develops invariably from the dorsal wall of archenteron as a thickening or upfolding. Cyclostomata have a persistent notochord through out of life. Vertebral column is small imperfect neural archs over the notochord.