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A bunion (hallux valgus) is an enlargement of bone or tissue around the joint at the base of the big toe (metatarsophalangeal

What is trichomoniasis (trich)? Trichomoniasis is an infection caused by a parasite. It's spread by sexual contact ( sexually

The cervix is the lower part of the uterus that leads to the vagina. The opening in the cervix is called the cervical os.

What is toxic shock syndrome? Toxic shock syndrome (TSS) is a rare illness that happens suddenly after an infection. It quickly

Discusses rare flesh-eating bacterial infection. Includes info on Fournier gangrene. Covers symptoms and how it is diagnosed

Hydrops fetalis (fetal hydrops) is a serious condition in which fluid builds up in the tissues of a fetus. This fluid can cause

Fetal blood sampling (FBS) is the collecting of fetal blood directly from the umbilical cord or fetus. The fetal blood is tested

The lungs' airways (bronchial tubes) divide into smaller and smaller branches (bronchioles). The airways end in air sacs (alveoli)

The retinal pigment epithelium (RPE) is a layer of support cells that lines the back of the eye. It is normally attached to the

The ear consists of the outer ear, middle ear, and inner ear. The outer ear is the part that can be seen at the side of the head