An increase in the number of cells in a tissue or organ without tumor formation. It differs from HYPERTROPHY, which is an increase in bulk without an increase in the number of cells.
Hyperplasias
D007417
Intestinal Polyps
Discrete abnormal tissue masses that protrude into the lumen of the INTESTINE. A polyp is attached to the intestinal wall either by a stalk, pedunculus, or by a broad base.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328
Adult
A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available.
Adults
D012809
Colon, Sigmoid
A segment of the COLON between the RECTUM and the descending colon.
Sigmoid,Sigmoid Colon
D012811
Sigmoid Neoplasms
Tumors or cancer of the SIGMOID COLON.
Cancer of Sigmoid,Sigmoid Cancer,Cancer of the Sigmoid,Neoplasms, Sigmoid,Sigmoid Colon Cancer,Sigmoid Colon Neoplasms,Sigmoidal Cancer,Cancer, Sigmoid,Cancer, Sigmoid Colon,Colon Cancer, Sigmoid,Colon Neoplasms, Sigmoid,Neoplasm, Sigmoid,Neoplasm, Sigmoid Colon,Neoplasms, Sigmoid Colon,Sigmoid Colon Neoplasm,Sigmoid Neoplasm