he embryonic coelom is evident only as the horseshoe shaped pericardial cavity produced by coalescence of small primary coelomic spaces as depicted in the graphic reconstruction of Carnegie Embryo No, 5080, Davis C.L., (1927) Fig. 3
Coelom and Peritoneal cavity
Yes, they do. They have true coeloms, i.e. their coeloms (body cavities) are lined with mesodermal (referring to the embryonic germ layer which forms the muscles, nervous system, and generally the "meat" of the body") cells forming its inner lining.
it does not have a coelom.
Coelom. It is partitioned by septa, which is a divider between segments of the worm.
The coelom is lined with epithelium.
ns present in the coelom
flatworms are the only triploblastic organisms that lack a coelom
yes it do hav a true body cayity or a coelom.
It was appeared in nematodes.Annelides had first true coelom.
No, a flatworm does not have a body coelom.
The pericardial cavity is the coelom of a common freshwater clam Anodonta.
alimentary canal