You will see veins and other blood vessels as dark shadow lines in your breast. These are totally normal.
Around the nipple you may see a circle of small dots – these are part of your mammary glands. These are also totally normal.
These pictures are examples of normal healthy breasts
Over a number of months you will learn what your breasts look like when lit by your Breastlight. This internal view will become as familiar to you as the look and feel of your breasts on the outside.
As with all the aspects of breast awareness the important things is to look out for any changes.