We did not evaluate the Zymbal glands microscopically, but the histological features of the mass were not suggestive of a sebaceous origin such as the Zymbal gland. Because mammary gland tumors ...

It refers to small bumps, usually on the face, that stem from overgrown sebaceous glands. Your sebaceous glands are under your skin and are connected to your hair follicles. The glands make sebum ...