The two glands located in the head are (from anterior to posterior) pituitary and pineal glands.
The pineal gland is at or very near the center of the brain and it produces serotonin.
Parotid gland
The exocrine gland near the male urethra is called the prostate gland. It is responsible for producing prostatic fluid, which is a component of semen.
The gland near the tailbone is called the coccygeal gland, also known as the coccygeal body or the Luschka gland. It is a vestigial structure that may have a role in certain physiological functions.
The thyroid gland is the largest neck gland. The parathyroid glands are four little glands near the thyroid.
The gland near the bladder that adds fluid to semen is called the prostate gland. It produces a milky fluid that contributes to semen volume and helps nourish and protect sperm.
The pineal gland (or, epiphysis) synthesizes and secretes melatonin.
There are two located within the brain:The pituitary gland is located near the base of the brainThe pineal gland is located within the diencephalon (of the brain)
The name of that salivary gland is parotid gland. That is the biggest of all the salivary glands.
pancreasectomy
A preen gland is an organ in a bird near the tail, producing oil to help waterproof the bird's feathers. It is also called the Uropygial gland.
The optic nerves and chiasma are located in the brain, specifically in the area of the optic tracts near the base of the brain. The pituitary gland is situated beneath the brain, near the optic chiasma. The mammillary bodies are part of the hypothalamus, located at the base of the brain near the pituitary gland.