Anatomy of the Ureter Wall Layers

What is the correct order of the three layers of the ureter wall starting with the innermost layer?

Multiple Choice

Mucous coat, fibrous coat, muscular coat

Fibrous coat, mucous coat, muscular coat

Mucous coat, muscular coat, fibrous coat

Fibrous coat, muscular coat, mucous coat

Answer:

The correct order of the three layers of the ureter wall starting with the innermost layer is: mucous coat, muscular coat, fibrous coat.

The correct order of the three layers of the ureter wall starting with the innermost layer is:

The innermost layer of the ureter wall is the mucous coat. It is made up of a layer of transitional epithelium.

The middle layer of the ureter wall is the muscular coat. It is composed of smooth muscle fibers that help propel urine through the ureter.

The outermost layer of the ureter wall is the fibrous coat. It consists of connective tissue and helps protect and support the ureter.