secretin (s) (noun)
, secretins (pl)
A hormone secreted by the duodenal mucosa that stimulates sodium bicarbonate secretion by the pancreas and bile secretion by the liver.
secretinase (s) (noun)
, secretinases (pl)
An enzyme which is present in blood serum that inactivates the hormone secretions by the duodenal mucosa.
secretion (s) (noun)
, secretions (pl)
1. The process of producing a substance from the cells and fluids within a gland or organ and discharging it.
2. A substance formed and discharged by a cell, tissue, gland, or organ.
If the material leaves the gland through a duct; such as, saliva, it is called an exocrine secretion; if it enters the blood or lymph; for example insulin, it is called an endocrine secretion.
, more secretive, most secretive
1. Characteristic of being unwilling to reveal information: Little Jimmy was being very quiet and secretive
in his room while he was drawing a nice picture for his mother as a surprise birthday present.
2. A reference to having or marked by an inclination of not being open, forthright, or frank: When Celia asked her teenage daughter where she got the expensive make-up, she was very secretive
about it, not wanting her mother to know that she had actually stolen it from a department store.
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, more secretively, most secretively
In an unrevealing manner or with a preference for not sharing information with anyone else: When Elizabeth was asked what she thought of the new Chief Executive Officer of the company, she was secretively quiet and refused to make any comments about him; especially, since she was his secretary.
secretly (adverb) (not comparable)
1. Characterized by something that is kept hidden from others or is known only to oneself or to a few.
2. Relating to something that remains beyond understanding or explanation; a mystery.
3. A reference to a method or formula on which success is based.
secretomotor (s) (noun)
, secretomotors (pl)
Something, especially a nerve, that stimulates secretion.
, more secretory, most secretory
A reference to or promoting secretion; capable of secreting.
secretory fiber (s) (noun)
, secretory fibers (pl)
A peripheral motor nerve fiber that innervates glands and stimulates secretion: The secretory fibers are also known as "centrifugal nerve fibers" which discharge emissions from various parts of the body to carry on special functions for normal physical activities.
, more uncertain, most uncertain
1. Not exactly known or decided; not definite or fixed: "The time of departure is still uncertain."
2. Not sure or having some doubt about something: "The family remains uncertain about their plans for the summer."
3. Likely to change; not constant or dependable: "The nation faces a financially uncertain future.
uncertainty (s) (noun)
, uncertainties (pl)
1. The quality or state of being in doubt: "There is some uncertainty about the auto company's future."
2. Something that is doubtful or unknown: "Life is full of uncertainties.