The penis is a complex organ, thanks to the intricate network of blood vessels and tissues needed to engorge it. Scientists ...

Leukemia begins in your bone marrow. This is the spongy tissue located in your bones where your body’s blood cells are formed. Blood cells go through multiple stages before reaching maturity.

Polycythemia vera is a slow growing blood cancer that happens in your bone marrow, the spongy tissue inside bones. It's usually caused by a gene mutation. Your bone marrow makes red blood cells ...

the spongy tissue inside your bones. While the exact cause isn't known, doctors do know that something happens to change the genetic code inside your cells that make white blood cells. Normally ...

Spongy mesophyll close spongy mesophyllThe plant tissue in a leaf which has loosely packed cells and air spaces between them to allow gas exchange. tissue is packed loosely for efficient gas exchange.