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Ch4 - Key Terms
Terms in this set (21)
Body control system composed of a group of glands that maintain a stable internal environment by producing chemical regulatory substances called hormones.
The tendency of the body to seek and maintain a condition of balance or equilibrium within its internal environment, even when faced with external changes.
A positive, desirable form of stress that influences physical or physiological health.
A negative form of stress that influences physical or physiological health.
A receptor protein on the surface of a cell or in its interior that binds to a specific hormone.
Target cell specificity
Hormones circulate to all tissues but influence only certain cells due to the presence of receptors on or in the cells.
Any of a group of organic compounds belonging to the general class of biochemicals called lipids, which are easily soluble in organic solvents and slightly soluble in water.
A small protein typically between 10 and 100 amino acids in length.
A group of organic molecules that includes fats, oils, and waxes;, lipids store energy and form parts of cell structures, such as cell membranes.
Small particles, present in large numbers in every living cell, whose function is to convert stored genetic information into protein molecules.
The increase in the size of an organ due to an increase in cell size. It is most commonly seen in muscle that has been actively stimulated, the most well-known method being exercise.
A steroid hormone, such as testosterone or androsterone, that controls the development and maintenance of masculine characteristics.
Dehydroepiandrosterone, is a natural steroid hormone produced from cholesterol by the adrenal glands.
An unsaturated steroidal derivative of androstene.
An unsaturated androgenic steroid that has a weaker biological potency than testosterone.
Overdevelopment of the mammary glands in males; male breast development.
A natural hormone made by the pancreas that helps control the level of glucose in the blood.
A hormone produced by the pancreas that stimulates an increase in blood sugar levels, opposing the action of insulin.
Any naturally occurring amine, functioning as a neurotransmitter or hormone, including dopamine, norepinephrine, and epinephrine.
Any of the various hormones secreted by the adrenal cortex, especially cortisol, aldosterone, and corticosterone.
The difference between the amount of nitrogen taken into the body and the amount excreted.
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