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Biomedical subjects

M Young

Publications and source records attributed to M Young.

518 records · Page 29Linked to original sources
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Nonmetallic foreign bodies in the foot: radiography versus xeroradiography.

Nonmetallic foreign bodies were embedded in cadaver feet. Standard x-rays and xerograms were taken and compared. The results appear to indicate that standard x-rays remain the more clinically practical means of screening for foreign bodies. The literature regarding xeroradiography suggests that this is superior to radiography in detection of nonmetallic foreign bodies. By embedding nonmetallic foreign bodies in cadaver feet and comparing standard x-rays to xerograms, the examiner should be able to confirm or disprove this premise.

Evaluation Studies as Topic↗
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Nursing diagnosis.

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Nursing Assessment↗
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Psoriasis.

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Calcitriol↗
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Wound care. Footwork.

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Diabetic Foot↗
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Brutality to twins in south-eastern Nigeria: what is the existing situation?

Following rumors of some persistence of abuse on twins, a survey was conducted from January through June, 1991 in the rural areas of Efik, Ibibio and Annang tribes of South-Eastern Nigeria to determine the current attitude of the people towards twins and their mothers. Of the 619 women interviewed, 56% cherished having twins; 35% would not desire largely because of the economic and other minor difficulties associated with their up-keep but none of these would abandon the infants. The remaining 9% hold a taboo against twins: as babies derived from the devil, non-human and punishment from the gods for sinfulness. Consequently, 2.3% and 2.6% of the mothers would have their twins rejected and killed respectively and 6% of the twin mothers would be cast out but none killed by their husbands' families. The intention to perpetuate this form of abuse was elicited in all the three tribes but seemed relatively to be most pronounced in Annang people. The information generated, though limited to rural population, suggests that the rejection of twin births has actually not yet disappeared from this part of the country. Health workers in South-Eastern Nigeria who encounter twins with failure to thrive should consider rejection as a possible contributing factor. It would need intensive moral education and religious teaching to stem this brutal culture.

Child Abuse↗
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Cytotoxic effect of ascorbate and its derivatives on cultured malignant and nonmalignant cell lines.

The effect of L-ascorbate and its derivatives on the growth of malignant and nonmalignant cell lines has been examined. L-Ascorbate and its oxidative product dehydroascorbate were cytotoxic or lethal to the fast-growing malignant cells, but they were less toxic to nonmalignant cells. Two isomers of ascorbate, D-ascorbate and D-isoascorbate, both with 5% of the antiscorbutic potency and very high turnover rate, had similar activities. The cytotoxic effect of ascorbate was apparently not related to the metabolic or vitamin activities of ascorbate at the cellular level. Furthermore, studies on the viability of treated cells indicated that the observed effect on cell growth was not cytostatic in nature but was the result of a direct cell-killing action of ascorbate. Several groups of ascorbate derivatives were also tested; many of them were toxic to these cells. The results support the hypothesis that the cytotoxic activity of ascorbate was due to its chemical properties and that certain oxidation and degradation products of ascorbate were cytotoxic agents.

Animals↗