is pituitary gland tubular

I think its an exocrine gland in which the gland duct is connected to multiple secretory portions

compound because they attach to a branched duct.

The sweat pore is were the sweat from the sweat gland is released. The main function of sweat is temperature regulation (thermoregulation).

sweat glands :are small tubular structures of the skin that produce sweat.

sweat duct :a small duct that conveys sweat from a sudoriferous gland to the surface of the skin.