According to the New York University Langone Medical Center, intervertebral discs are made up of "fibrocartilage tissue," which has two layers. While the inner portion resembles jelly, the outermost part has strong and f... More »

A slipped disc occurs when the soft inner portion of an intervertebral disc pushes against its own harder exterior portion, according to the American Academy of Orthopaedic Surgeons. In some cases, the soft middle comes ... More » Health Conditions & Diseases

Lumbar disc disease is a condition in which the intervertebral discs between vertebrae deteriorate and bulge out or rupture, according to Johns Hopkins Medicine. After rupture, fragments of disc material can press on ner... More » Health Conditions & Diseases

Pleural fluid prevents friction between the lungs and the chest cavity during respiration, and is found in a thin space between two layers of tissue. The tissues surrounding the lungs produce the fluid that rhythmically ... More »

Bone tissue is made up mostly of calcium and collagen, which is a protein. The outer layer of bone is hard and dense and called compact or cortical bone. The inner layer is called trabecular or cancellous bone. It is lig... More »

The mesentery in a fetal pig is a transparent, thin sheet of tissue that is connected to the peritoneum. It supports the internal organs. Located near the mesentery are veins and arteries that transport blood to and from... More »

Some of the key functions of protein involve energy production, transportation, boosting the immune system and replenishing body tissue. Proteins are some of the most essential nutrients for human beings, and they can be... More »