Coelomic epithelium refers to the epithelium

Epithelium

Epithelium is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the cavities and surfaces of structures throughout the body, and also form many glands. Functions of epithelial cells include secretion, selective...

 that lines the surface of the body wall and abdominal

Abdomen

In vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity...

 organs. It constitutes the outermost layer of the male and female gonad

Gonad

The gonad is the organ that makes gametes. The gonads in males are the testes and the gonads in females are the ovaries. The product, gametes, are haploid germ cells. For example, spermatozoon and egg cells are gametes...

s, thus forming the germinal epithelium of the female

Germinal epithelium (female)

The surface of the ovary is covered by a layer of simple cuboidal cells which constitutes the germinal epithelium of Waldeyer.These cells are derived from the mesoderm during embryonic development and are closely related to the mesothelium of the peritoneum...

 or of the male

Germinal epithelium (male)

The germinal epithelium is the innermost layer of the testicle.Germinal epithelium is also known as the wall of the seminiferous tubule within the testes. It is cells in the epithelium are connected via tight junctions....

. It is also called the germinal epithelium of Waldeyer or sometimes the superficial epithelial cells in embryology

Embryology

Embryology is a science which is about the development of an embryo from the fertilization of the ovum to the fetus stage...

. It is often encountered in the medical setting as an important source of various types of ovarian cancer

Ovarian cancer

Ovarian cancer is a cancerous growth arising from the ovary. Symptoms are frequently very subtle early on and may include: bloating, pelvic pain, difficulty eating and frequent urination, and are easily confused with other illnesses....

, primary peritoneal serous cancer and endometriosis

Endometriosis

Endometriosis is a gynecological medical condition in which cells from the lining of the uterus appear and flourish outside the uterine cavity, most commonly on the ovaries. The uterine cavity is lined by endometrial cells, which are under the influence of female hormones...

(coelomic metaplasia).