The
Polyposis
Registry

Glossary

adenoma a polyp growing from glandular tissue in the mucous membrane of the bowel
anal sphincter circular muscle at the anus which relaxes to allow faecal matter to pass through
anastomosis a surgical join between two pieces of bowel
anus the opening at the end of the gut, through which faeces are discharged
automosal dominant 50:50 chance or inheritance
biopsy a piece of tissue taken for examination under the microscope
chromosome a length of coiled DNA
colectomy with ileorectal anastomosis the operation in which the colon is removed and a surgical join made between the last part of the small bowel and rectum
deoxyribonucleic acid (DNA) a complex chemical that contains the genetic code. Passed on from one generation to the next
duodenum first portion of the small intestine
faeces waste matter discharged from bowels
familial adenomatous polyposis an inherited condition in which more than 100 adenomas occur in the large intestine
gastrointestinal tract the guts from mouth to anus
gene a genetic building block
ileostomy the ileum when brought out on to the abdomen
ileum lower part of the small intestine
large intestine the large bowel, the colon and the rectum
nucleus the inner part of the cell which contains chromosomes
oesophagus the gullet
polyp a small swelling, arising from the lining of the bowel
rectum the last part (about 15cm) of the large bowel. It lies between the colon and the anus
restorative proctocolectomy (pouch) the operation in which the colon and rectum are removed leaving the anus. An ileal reservoir or pouch is then made and joined to the anus
sigmoidoscopy an examination of the rectum and distal colon
small intestine the part of the intestine between the stomach and the colon which is responsible for digesting the food. It is divided into three parts: duodenum, the jejunum and the ileum
stomach stores the food before it passes into the small bowel
symptoms what is complained about
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