Ulcerated Having a local defect or excavation of the epithelium of an organ or tissue through the basement membrane.
In the area of the tumor; confined to one specific area.
A thin layer of cells that covers the internal and external surfaces of the body, including body cavities, ducts and vessels.
A structural unit of an animal or plant that serves a specific function.
Biological tissue is a group of cells that perform a similar function.The study of tissues is known as histology, or, in connection with disease, histopathology.The classical tools for studying the tissues are the wax block, the tissue stain, and the optical microscope, though developments in electron microscopy, immunofluorescence, and frozen sections have all added to the sum of knowledge in the last couple of decades.
A flexible layer surrounding a cell, organelle (such as the nucleus), or other bodily structure. The movement of molecules across a membrane is strictly regulated in both directions.
A sore on the skin surface or on the stomach lining.
Break in the skin, usually on lower legs or fingers, related to poor circulation and blood pooling.
Inflammatory disease of unknown cause which involves the mucosa of the colon. Onset may be acute and fulminant, and its course often continues chronically in an intermittent or continuous form. Diarrhea is a common symptom and bleeding an almost constant concomitant symptom.
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Unipotent stem cell
A stem cell that both divides and gives rise to a single mature cell type, such as a spermatogenic stem cell, which only gives rise to sperm.
A cord of tissue connecting the fetus to the placenta that carries oxygen and nutrients to the fetus and transports waste products away. At birth, an umbilical cord, which contains two arteries and one large vein, can be as long as 4 feet.
A protrusion of part of the intestine through a defect in the abdominal wall around the belly button, usually manifested as a small bulge. Usually not serious and requiring no medical treatment.
When one or both of the testes don't descend into the scrotum. Many times the condition corrects itself; other cases need to be surgically corrected so as not to lead to infertility or testicular cancer.
Universal birth number
An identification number assigned to a newborn by a state's office of vital statistics. Includes the date of birth, the area code of the birth site, and a registration number.
Marked by depressed spots resembling the umbilicus.
The scar marking the site of entry of the umbilical cord into the fetus. It is inconspicuous in most domestic species.
Affecting only one side.
That part of the mind or mental functioning of which the content is only rarely subject to awareness. It is a repository for data that have never been conscious (primary repression) or that may have been conscious and are later repressed (secondary repression).
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