Histology Lecture 07

Before the age of 10 years, in which of the locations or tissues is the highest incidence of tumors expected?

• Nerve tissue

• Muscle tissue

• Epithelial tissue

• Bone Marrow

• Connective Tissue

Which of the following gives connective tissue a pink staining result with hematoxylin and eosin?

• Ground substance

• Reticular fibers

• Collagen fibers

• Plasma cells

• Fibroblasts

The term for abnormal epithelial cells that have crossed the basement membrane into connective tissue is

• Neoplasia

• Tumor

• Metaplasia

• Dysplasia

• Malignant

Tumors arise most commonly in epithelial tissues in adults who are 45 years of age or older

• True

• False

The term for transformation of an epithelial tissue from a normal type in a certain location to another normal type but abnormal for that location is:

• Metaplasia

• Polypasia

• Cancer

• Dysplasia

• Neoplasia

Which of the following structures keeps epithelial cells separated from connective tissue?

• Basement membrane

• Hemidesomosome

• Terminal web

• Gap junction

• Desmosome