explain the atrium of amphioxus
Answers
Answered by
0
Answer:
In amphioxus a big space is present, called Atrium it is lined by ectoderm. It encloses pharynx, and part of intestine. ... The pharynx opens into the atrium through gill slits. Water from pharynx enters into the atrium through gill slits. During this course respiration will take place.
Answered by
1
Answer:
Atrium it is lined by ectoderm. It encloses pharynx, and part of intestine. It opens out through atriopore at 36 myotome in front of caudal fin. The dorsal wall of the atrium is folded. ln the larva the atrium develops at the cost of longitudinal ridges called Metapleural folds on the ventral side of the body. They extend forward. The ridges of both the sides unite and atrium is developed.
Similar questions