Ulcer of stomach known as Gastric ulcer. Ulcer in small intestine known as small bowel ulcer

This an ulcer on the lining of the uterus and is similar to any other ulcer.

The most common symptom of an ulcer is burning pain between the navel and the breastbone, which sometimes moves toward the back. Other symptoms include weight loss, or belly pain that can be helped by an antacid. There are also silent ulcers - in which a patient experiences no pain at all, and are more common in older adults. If you suspect that you might have an ulcer, you should see a doctor immediately.

An aphthous ulcer is an ulcer in the mouth, caused by a break in the mucous membrane.

Ulcer is a scientific (medical) name for an ulcer. An ulcer is a discontinuation in the bodily membrane, so technically, a paper cut on the finger is a form of ulcer.

The fancy name does depend, however, on the location of the said ulcer.