1.(Anatomy) a cell or organ in man and other animals that synthesizes chemical substances and secretes them for the body to use or eliminate, either through a duct (exocrine gland) or directly into the bloodstream (endocrine gland). See alsoexocrine gland,endocrine gland ...
1.(Anatomy) a cell or organ in man and other animals that synthesizes chemical substances and secretes them for the body to use or eliminate, either through a duct (exocrine gland) or directly into the bloodstream (endocrine gland). See alsoexocrine gland,endocrine gland ...
The thyroid gland is an endocrine gland that secretes 3 hormones: the 2 thyroid hormones triiodothyronine (T3) and thyroxine (T4) that influence metabolic rate and protein synthesis, and in children, growth, and development; and the peptide hormone calcitonin that plays a role in calcium homeostas...
Pituitary gland, ductless endocrine gland located on the underside of the brain that secretes hormones into the bloodstream. The pituitary gland is sometimes referred to as the ‘master gland’ because its hormones regulate other important endocrine glan
that interact closely with the surrounding mesenchymal stroma of the fat pad to determine length and patterning of the gland. The leading portion of the terminal end bud is covered by a distinct layer of “cap cells” overlying more numerous layers of “body cells,” each containing stem cells...
Future research may even lead to the reintroduction of some endangered species into natural habitats. Evolution of endocrine systems The most primitive endocrine systems seem to be those of the neurosecretory type, in which the nervous system either secretes neurohormones (hormones that act on, or ...
1. An additional (usually smaller) gland that secretes the same substances as a primary gland. 2. A gland secreting substances that enhance the function of another gland or organ. In the male reproductive tract, for example, the prostate, which secretes fluids that improve the viability of spe...
On the contrary, if you secrete too much, you will be in a state of tension. 6. The pancreas: The pancreas is scattered between the pancreatic digestive glands, which secrete a digestive hormone called insulin. Insulin reduces the composition of sugar in the blood. If insulin is lacking, ...
Which of the following organs of the endocrine system secretes thyroxine and triiodothyronine? A. pituitary gland B. thyroid gland C. adrenal gland D. pineal glandWhat are the endocrine glands that produce sex hormones?What is the posterior pituitary and why is it not considered an e...
This small gland, situated within the base of the brain, secretes melatonin, which is thought to affect wakefulness and various biorhythms in the body. Daytoy a bassit a gland, a masarakan iti puon ti utek, ti mangibulos iti melatonin, a maipagarup nga apektaranna ti kinasiririing ken ...