Animated, narrated slide show that describes how amniotic fluid is sampled during amniocentesis. An ultrasound probe is used to help guide the needle during the procedure.

This video contains actual footage of an appendectomy. The procedure is being performed laparoscopically and shows what the surgeon sees through the small camera inserted into the body. This video may be difficult for some viewers since it shows surgery on actual human tissue.

This video shows an animation of the normal anatomy of bone and what occurs to bone that is affected by osteoporosis. It also explains why osteoporosis is more likely in to occur in women and as we age.

This video shows precisely what a surgeon sees during a laparoscopic cholescystectomy. A laparoscopic cholescystectomy is gallbladder removal surgery using small incisions and cameras rather than a large abdominal incision. This video may be difficult for some viewers since it shows surgery on actual human tissue.