Which of the following is not an endocrine gland?

Endocrine glands are those which put their secretions directly into

The products of glands are given below:
Mucus,Saliva,Prolactin,Earwax,Oil,Testosterone,Milk,Digestive enzymes
Products of exocrine glands = $P$
Products of endocrine glands = $Q$
Select the correct option for $P$ and $Q$.

The ductless glands:

The hormones that induce milk secretion,milk ejection,and follicular growth are known as .......... respectively.

Vitamin-$D$ is produced in the human body in