growth retardation

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growth retardation

failure of an individual to develop at a normal rate of height and weight for his or her age. See also intrauterine growth retardation.

growth re·tar·da·tion

(grōth rētahr-dāshŭn)
A slower than normal pattern of growth caused by a variety of factors including heredity, growth hormone deficiency, thyroid disorders, chronic illness, poor nutrition, and emotional stress.

growth

1. the progressive increase in size of a living thing, especially the process by which the body reaches its point of complete physical development.
2. an abnormal formation of tissue, such as a tumor.

growth arrest line
a radiologically detectable line parallel to the growth plate in the metaphysis that indicates a temporary cessation of bone growth.
growth check
an event or state, usually the result of inadequate nutrition, parasitism or other disease, which temporarily reduces or stops growth in a young animal. Often followed by a period of compensatory growth.
compensatory growth
increased growth rate during a time period as a result of lower than normal growth rate during a previous period.
growth cone
bulbous enlargement at the tip of every growing axonal fiber in the fetus, from which many long filapodia extend.
growth curve
the curve obtained by plotting increase in size or numbers against the elapsed time.
growth disorders
are sometimes traceable to excess or shortage of pituitary secretions, and may arise from hereditary defects or from glandular abnormalities. Abnormally large secretions of growth hormone can produce gigantism. Failure of the pituitary gland to develop sufficiently or to secrete adequate amounts of growth hormone may result in dwarfism. In adulthood, overproduction of growth hormone may lead to acromegaly.
growth factor
substances which act as local regulators of cell division and function; classified as autocrine (act on cells of the same class) or paracrine (act on cells of a different class).
hematopoietic growth factors
see colony-stimulating factors.
one-step growth curve
a plot typical of the rapid growth of a virus in cell culture when all cells are infected simultaneously.
growth plate
the epiphyseal cartilage at which new bone formation occurs to lengthen long bones during their growth phase. Called also physis. See also epiphyseal plate.
growth promotants
includes all agents used to increase the rate of body weight gain. Used principally in food animals but also in horses with a view to increasing muscle mass and physical performance, and in any species to hasten recuperation in animals debilitated by illness. Pharmaceutical preparations are principally anabolic steroids. Husbandry procedures include estrogen and zearalenone implants and dietary supplementation with antibiotics, monensin and, in the case of pigs, copper.
growth rate
rate of increase in body weight per unit of time, e.g. lb/day in beef cattle.
recombinant growth factor
recombinant growth hormone.
growth retardation
stature smaller than normal; called also runt.
growth retardation lattice
radiodense metaphyseal lines parallel to the epiphyseal plate developing in fetal bone.
transforming growth factor [beta]
a family of extracellular signaling molecules important in the transformation of cells and in growth and development.
References in periodicals archive ?
She added that Shakir had delayed milestone also known as developmental delays since his childhood owing to which he started walking late in childhood.
INDIA successfully test- fired its first indigenously developed air- to- air missile Astra from a Sukhoi- 30MKI combat jet on Sunday -- a much- delayed milestone on the road to the new weapon's induction into the IAF's arsenal.
a leading provider of drug discovery chemistry, discovery software and enterprise informatics, today announced that payment related to a previously delayed milestone has been triggered and will be made in 2002 by an undisclosed partner within its enterprise informatics consulting business.
In pre-school they told me that he talks less than the other students, it was difficult for him to draw a straight line, something most children would have no problem doing and he had difficulties reading so he had many delayed milestones,"
Physiotherapy programmes offered by KIMS also include strategised play therapy, which helps children achieve delayed milestones and make them functional to perform most activities in daily life.
The child had presented with increasing head size since birth and delayed milestones.
Pooja Tyagi, whose daughter had delayed milestones and is a slow learner, put her daughter on colourpuncture therapy at the age of seven.

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