not known or seen or not meant to be known or seen by others.
The endocrine gland that secretes its products outside of the body is the exocrine gland. These glands release their secretions through ducts into body cavities, onto body surfaces, or into the lumen of an organ. Examples include sweat glands and salivary glands.
The adrenalin gland secretes that hormone.
The endocrine system consists of glands that secrete hormones and other products within the body of a living organism (as opposed to the exocrine which secretes externally)
Parathyroid chief cells secretes parathormone.
The testes gland secretes testicles.
The thyroid secretes tetraiodothyronine, along with triiodothyronine, diiodothyronine, and thyrocalcitonin.
The part of the pancreas which secretes insulin is called the Isles of Langerhans.
seminal gland secretes glucose to nourish the spermatozoa
No they are not. A gland, by definition, is an organ which secretes some substance (saliva, for example, sticking within the mouth). Taste buds are sensory organs. They do not secrete, they sense.
The anterior lobe of the pituitary gland secretes growth hormone and lutenizing hormone.
The adrenal gland secretes the fight-or-flight hormones.
The pancreas secretes amylase, lipase, protease and hydrogen carbonate into the duodenum in the small intestine.