So, do nipples have the erectile tissue you find in the penis and the clitoris? The answer is "no". The anatomy books say, "underneath the nipple and areola, there are bundles of smooth muscle ...

Now, MIT engineers have taken a major step toward developing robots that replace rigid gears with something much softer – almost like real, living muscle tissue. In other words, they have found a way ...

In findings published in Clinical Cancer Research, the team identified specific proteins—fibronectin and smooth muscle ...

red), myoepithelial and fibroblasts (Smooth Muscle Actin, white), and immune cells (CD45, green) constructed from a 3D serial sectioning experiment on tissue block of a primary breast cancer sample.