|(used as a nonsense word by children to express approval or to represent the longest word in English.)|
|given to using long words.|
|—n , pl -ses|
|Compare adenohypophysis the posterior lobe of the pituitary gland|
|pituitary gland or pituitary body|
|adenohypophysis See also neurohypophysis hypophysis, Also called: hypophysis cerebri the master endocrine gland, attached by a stalk to the base of the brain. Its two lobes (the adenohypophysis and neurohypophysis) secrete hormones affecting skeletal growth, development of the sex glands, and the functioning of the other endocrine glands|
|pituitary body or pituitary body|
neurohypophysis neu·ro·hy·poph·y·sis (n&oobreve;r'ō-hī-pŏf'ĭ-sĭs, -hĭ-, ny&oobreve;r'-)
n. pl neu·ro·hy·poph·y·ses (-sēz')
The posterior portion of the pituitary gland, having a rich supply of nerve fibers and releasing oxytocin and vasopressin. Also called posterior lobe of hypophysis.
|pituitary gland (pĭ-t'ĭ-těr'ē) Pronunciation Key
A gland at the base of the brain in vertebrate animals that is divided into two regions, anterior and posterior, each of which secretes important hormones. The anterior portion, whose secretions are directly controlled by the hypothalamus, produces hormones that regulate the function of most of the body's hormone-producing glands and organs, including the thyroid and adrenal glands. Growth hormone is also produced by the anterior pituitary. The posterior pituitary releases antidiuretic hormone (ADH) and oxytocin.
A small gland, attached to the base of the brain and controlled by the hypothalamus, that functions in the endocrine system. The pituitary gland secretes many hormones: some control the actions of other glands, whereas others influence growth, metabolism, and reproduction.