Serosa vs. Adventitia — What's the Difference?

A serous membrane, especially one that lines the pericardial, pleural, and peritoneal cavities, enclosing their contents.

The adventitia, (advɛnˈtɪʃə) is the outer layer of fibrous connective tissue surrounding an organ.The outer layer of connective tissue that surrounds an artery, or vein – the tunica externa, is also called the tunica adventitia. To some degree, its role is complementary to that of the serosa, which also provides a layer of tissue surrounding an organ.

A membrane that surrounds the embryo of birds, reptiles, and many insects.

The membranous outer covering of an organ or a blood vessel.

A membrane which lines an internal cavity to protect the contents and which secretes serum.

The outermost layer of epithelial tissue encasing a visceral organ.

A thin membrane lining the closed cavities of the body; has two layers with a space between that is filled with serous fluid

The membranous outer covering of an organ or blood vessel.

An enveloping or covering membrane or layer of body tissue