On the posterior surface of the thyroid glands.
The lacrimal glands are paired almond-shaped glands, one for each eye, that secrete the aqueous layer of the tear film.
Humans have paired salivary glands.
Testicles
prostate
estrogen
The prostate gland is not a paired accessory gland of the male reproductive system. It is a single, unpaired gland located beneath the bladder and surrounds the urethra.
HPA axis
The sublingual glands are salivary glands whose ducts open laterally to the lingual frenulum. They are located under the tongue and produce mostly mucous saliva to help lubricate food during chewing and swallowing.
The paired glands found in the upper pelvic cavity, one on each side of the uterus, are known as the ovaries.
Salivary glands are glands in the mouth that produce saliva, which helps with the digestion of food. Saliva also helps to keep the mouth moist and aids in swallowing. There are three major pairs of salivary glands: parotid, submandibular, and sublingual glands.
The seminal vesicle is not a paired gland. It is a single, midline structure located behind the bladder in males and plays a crucial role in producing seminal fluid that nourishes and transports sperm.