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27 Cards in this Set
- Front
- Back
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Cephalocaudal Pattern |
The sequence in which the fatest growth occurs at the top of the body-the head to the botttom |
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Proximodistal pattern |
The sequence in which growth starts at the center of the body and moves toward the extremities |
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Puberty |
A period of rapid physical maturation involving hormonal and bodily changes during early adolescence |
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Menarche |
A girl's first menstrual period |
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Horomones |
Powerful chemical substances secreted by the endocrine glands and carried through the body by bloodstream. |
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Hypothalamus |
A structure in the brain that is involved with eating and sexual behavior |
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Pituitary gland |
An important endocrine gland that controls growth and regulates the activity of other glands |
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Gonads |
The sex, glands which are the testes in males and ovaries in females |
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Gonadotropins |
Hormones that stimulate the testes or ovaries |
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Testosterone |
A hormone associated in boys with the development of the genitals, increased height, and voice changes |
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Estradiol |
A hormone associated in girls with breast, uterine, and skeletal development |
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Climacteric |
The midlife transition during which fertility declines |
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Menopause |
The time in middle age, usually in the late forties or early fifties, when a woman's menstrual periods cease. |
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Neurons |
Process information |
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Myelination |
The process of encasing axons with a myelin sheath, which helps increase the speed and efficiency of information processing. |
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Lateralization |
Specialization of function in one hemisphere or the other of the cerebral cortex. |
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Corpus Callosum |
A large bundle of axon fibers that connects the brain's left and right hemispheres |
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Prefrontal Cortex |
The highest level of the frontal lobes that is involved in reasoning, decision making, and self-control. |
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Amygdala |
A part of the brain's limbic system that is the seat of emotions such as anger |
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Neurogenesis |
The generation of new neurons |
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Life-Span |
The upper boundary of life, which is the maximum number of years an individual can live. The maximum life span of humans is about 120 years. |
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Cellular clock theory |
Leonard Hayflick's theory that the number of times human cells can divide is about 75 to 80. As we age, our cells are less able to divide. |
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Free-radical theory |
A microbiological theory of aging stating that people age because when their cells metabolize energy, they generate waste that includes unstable oxygen molecules, known as free radicals, the damage DNA and other structures |
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Mitochondrial theory |
The theory that aging is caused by the decay of the mitochondria which are tiny cellular bodies that supply energy for cell function, growth, and repair |
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Hormonal stress theory |
The theory that aging in the body's hormonal system can lower resistance to stress and increase the likelihood of disease |
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Non-organic failure to thrive |
insufficient weight gain or inappropriate weight loss. |
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deprivation dwarfism |
syndrome of physical and psychological abnormalities characterized by the triad of extreme short stature, voracious appetite, and marked delay in sexual maturation. |
