Intro to Pathology _Edit Flashcards
Define Carcinoma
Malignant neoplasm of epithelial cell origin.
Define Adenoma
An epithelial neoplasm which produces or is derived from glandular tissue.
Define Papilloma
Benign tumor of surface epithelium in which neoplastic cells grow outward in finger like fibrovascular stalks.
Define Teratoma
A germ cell neoplasm made of several different differentiated cell/tissue types.
Define Sarcoma
Malignant neoplasm with origin in mesenchymal tissues or its derivatives.
Define Lymphoma and Leukemia
Malignant neoplasms of hematopoietic tissues.
Define Blastoma
is a type of cancer, more common in children, that is caused by malignancies in precursor cells, often called blasts. Examples are nephroblastoma, medulloblastoma and retinoblastoma.
Define Melanoma
is a type of cancer of pigment producing cells (melanocytes) in the skin our the eye (uveal Melanoma).
Define Hyperplasia
an increase in organ or tissue size due to an increase in the number of cells. Can be physiologic, compensatory, or pathologic.
Define Metaplasia
an adaptive, substitution of one type of adult tissue to another type of adult tissue.
Define Dysplasia
an abnormal cellular proliferation is which there is loss of normal architecture.
Define Anaplasia
a loss of structural differentiation
Define Desmoplasia
the formation and proliferation of connective tissues and cells.