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A general term used to describe the products of glands in animals and plants. Glands such as the thyroid, testes, ovaries, adrenals, pituitary synthesize hormones which they excrete into the bloodstream. These are endocrine glands. Other glands include sweat, prostate, lachrymal, and Bartholin's glands. These are exocrine glands which excrete their products into places other than the bloodstream. The pancreas and stomach are unusual in that their secretions contain both endocrine (insulin) and exocrine (digestive) hormones. The female breast secretes milk and is an exocrine gland. The testis is a highly specialised mixed gland with both endocrine (testosterone) and exocrine (sperm)functions. The female ovary is a specialised mixed gland also.

The word is also used loosely to describe mucous-like substances which are transudates or exudates. These are substances derived from fluid in the tissues and which are driven across a membrane e.g. vaginal wall by a pressure gradient - usually blood pressure but could be osmotic.
Secretions may become profuse during illness e.g. common cold as the body attempts to wash away the infective agent.
Secretions in animals and plants may contain hormones, protective chemicals, and lubricants.
secretion by O'Flagherty December 9, 2008
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A general term used to describe the products of glands in animals and plants. Glands such as the thyroid, testes, ovaries, adrenals, pituitary synthesize hormones which they excrete into the bloodstream. These are endocrine glands. Other glands include sweat, prostate, lachrymal, and Bartholin's glands. These are exocrine glands which excrete their products into places other than the bloodstream. The pancreas and stomach are unusual in that their secretions contain both endocrine (insulin) and exocrine (digestive) hormones.
The word is also used loosely to describe mucous-like substances which are transudates or exudates. These are substances derived from fluid in the tissues and which are driven across a membrane e.g. vaginal wall by a pressure gradient - usually blood pressure but could be osmotic.
Secretions may become profuse during illness e.g. common cold as the body attempts to wash away the infective agent.
Secretions in animals and plants may contain hormones, protective chemicals and lubricants.
secretion by O'Flagherty December 29, 2008
When you fart in rapid succession while others are around, but quietly enough that nobody notices, and close enough that you’re able to get a good whiff without disturbing anyone else, while still feeling the initial subconscious anxiety of having farted.
“I can see that you’re happy to see me,” she said, eying her boyfriend across the room rocking a massive chub.
“What got you so riled up, big boy?” She seductively steps toward him, swaying her hips back and forth.
He’s nervous, and hesitates to tell her to stay back for a moment—and he realizes he has nothing to hide. She gets down on her knees, pulls his tidy whities down and starts sucking his big, fat cock. Luckily his stank ass secretion had just subsided.
Secretion by QuasiMotoRola June 18, 2019

gonad secretion 

You got your gonad secretion in my chocolate! I should be mad, but all I can think to say is.......yummy!
gonad secretion by talk2me-JCH2 April 28, 2021

vaginal secretion 

that white creamy slippery stuff that makes sex interesting
i thought i had a lot of cum, but it turned out she was leaking from her pussy.
vaginal secretion by dickie boy January 21, 2005

vaginal secretion 

When a womens Vaginal Meat Curtains are stuck together with a sticky residue.
Dude you told me that chick last night was clean,her vaginal secretion was secreating out of your shorts. when i went down on her, it was like pulling apart a grilled-cheese sandwhich.