Findings

At high power, lobular ducts of an inactive mammary gland can be seen lined by simple cuboidal epithelium.

Comment

Note that an inactive lobule consists primarily of small ducts surrounded by loose connective tissue. The adipose tissue and dense irregular connective tissue of the breast surrounds and partitions the ducts into smaller lobules.

Preparation

Paraffin section; Masson's trichrome

View

High-power light microscopy

Specimen

Mammary gland

Image Credit

V. Eroschenko, Ph.D.
Department of Biological Sciences
WAMI Medical Program
University of Idaho