coelom

Pertioneal is likely misspelled.

Pertioneal has no English definition.

As a noun coelom

is a fluid-filled cavity within the body of an animal. The digestive system is suspended within the cavity, which is lined by a tissue called the peritoneum.

As a noun coelom is

(zoology) a fluid-filled cavity within the body of an animal the digestive system is suspended within the cavity, which is lined by a tissue called the peritoneum.

In zoology terms the difference between coelom and acoelomate

is that coelom is a fluid-filled cavity within the body of an animal. The digestive system is suspended within the cavity, which is lined by a tissue called the peritoneum while acoelomate is having no coelom.

As an adjective acoelomate is

having no coelom.

As a noun coelom

is a fluid-filled cavity within the body of an animal. The digestive system is suspended within the cavity, which is lined by a tissue called the peritoneum.

As an adjective celomic is

of or pertaining to the coelom.

As a noun coelom

is (zoology) a fluid-filled cavity within the body of an animal the digestive system is suspended within the cavity, which is lined by a tissue called the peritoneum.

As an adjective extracelomic is

(anatomy) outside the coelom.

As nouns the difference between coelom and enterocoel

is that coelom is a fluid-filled cavity within the body of an animal. The digestive system is suspended within the cavity, which is lined by a tissue called the peritoneum while enterocoel is a coelom, in some invertebrates, formed from the wall of the archenteron.