does it originate from the mammary gland?
Mammary gland
Mammary gland
Mammary glands are the source of milk production in female (and some male) mammals
mammary alveolus
Mammals have mammary glands like whales
Do you mean, "Where is lymph from mammary glands collected?" Most of the lymph in a human mammary gland travels, ultimately, to the apical axillary lymph nodes.
The mammary gland is an exocrine gland. It has ducts through which milk is secreted.
mammary glands produce milk in a females body
mammary gland.
No they do not. Turtles are not mammals.
The sternum.