A cubic inch of udder tissue contains millions of alveoli. Each alveolus is richly fed by blood vessels and surrounded by muscle fibers known as myoepithelial cells. Oxytocin acts on these cells to cause milk let down
A cubic inch of udder tissue contains millions of alveoli. Each alveolus is richly fed by blood vessels and surrounded by muscle fibers known as myoepithelial cells. Oxytocin acts on these cells to cause milk let down