Definitions - Neoplasia Flashcards
What is neoplasia?
The process of abnormal and uncontrolled cell growth.
What is a papilloma?
A benign tumour of epithelium growing with finger-like or nipple-like protrusions.
What is a haemangioma?
A benign tumour of endothelial cells.
What is a sarcoma?
Malignancy of connective tissue origin.
What is a cystadenoma?
Benign tumour of glandular epithelium growing in a cystic pattern.
What is hyperplasia?
Cellular adaptation involving increased cell division.
What are metastases?
The spread of cancer to distant sites.
What is nephroblastoma?
A childhood malignancy found in the kidney derived from an immature cell that was never normal (well-differentiated).
What does homogenous mean in the context of tumours?
A property of benign tumour cells describing their uniformity.
What is carcinoma?
Malignancy of epithelial origin.
What does undifferentiated mean?
A property of cells where there are no proteins or features being expressed to indicate the cell type.
What is metaplasia?
Cellular adaptation involving a change in cell type, where the cells remain normal.
What is a teratoma?
Germ cell tumour.
What is a leiomyoma?
Benign tumour of smooth muscle.
What is angiogenesis?
Generation of new blood vessels.
