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At least 73 records · Page 4Linked to original sources

Nomenclature and location of avian hypothalamic nuclei and associated circumventricular organs.

Nineteen nuclei and two areas within the avian hypothalamus were identified and located on specific corss-sectional planes of a stereotaxic atlas of the fowl. Latin terms applied to the nuclei and associated fiber tracts were compared among several authors and a suggested standardized nomenclature presented for hypothalamic structures. Nine circumventricular organs (CVOs) were also located throughout the prosencephalon, mesencephalon, and rhombencephalon of the chicken. A majority of the CVOs were found near nuclei.

Animals↗

Population scenarios for the European Union: regional scenarios.

"This article presents a look at future demographic developments at the regional level within the countries of the European Union. Although total population within the Union will still be growing in the next three decades, several regions will face a zero or negative population growth at some time. As a consequence of a declining fertility, coinciding with an increased number of deaths due to ageing, only a small number of regions will still experience a positive natural growth in 2025. For many regions the impact of net migration on population growth will become more important."

Demography↗

Human gene mapping and cancer biology.

The topics covered in this paper include: (i) a somatic cell genetics approach for measuring the individual variability in the susceptibility to DNA damage/repair at the level of specific chromosomal sites; (ii) a rationale for a selective chemotherapy and/or immunotherapy of chromosomally unbalanced tumours; and (iii) studies on complementation for sister chromatid exchange (SCE) in roden-human hybrids. Preliminary studies indicate that the 'radiation co-transfer method' for gene mapping can be simplified and used in screening for differences in individual susceptibility to radiation induced chromosomal damage. The second topic is dealt with only speculatively, with the explicit aim of emphasizing a practical application in clinical medicine which may potentially derive from the admittedly esoteric activity of gene mappers. The third topic summarizes a somatic cell genetic approach to the study of SCE in mammalian cells. The high rate of SCE observed in an established rodent cell line can be fully suppressed after hybridization with SCE-normal human cells. However, this suppression can be fully removed after extensive loss of the human chromosome complement. Correspondingly, the high SCE rate of Bloom syndrome cells is fully corrected after hybridization with a Chinese hamster line, though the chromosomes of the latter parental cells continue to exhibit in the hybrid cells the moderately high rate of SCE which is typical of this animal line. These complementation experiments indicate that more than one lesion can upset the normal chromatid replication of mammalian cells and lead to high SCE. The experimental studies described promise to be of significant help for studies on the biology of SCE in general and offer a suitable way of screening for possible genetical heterogeneity among different Bloom syndrome patients.

Chromatids↗

The use of Chi-square maps in the analysis of census data.

"This paper addresses itself to one of the problems inherent in any spatial analysis of census data, namely the variable size of the enumeration units. This variation renders some proportions unstable, due to the small numbers involved. Attempts to overcome this, using visual methods, can be unsatisfactory, whilst doing nothing to aid statistical analysis. Chi-square maps are suggested as a satisfactory alternative in both contexts, and data for Reading, Berkshire are displayed to illustrate this. These maps suggest that some inferences, based upon indicators derived from proportions, may be unsound."

Censuses↗

Changes in the population of larger cities of the USSR, 1979-1989.

"An overview of the dynamics of Soviet cities of over 100,000 population for the period 1979-1989 is presented, based largely on maps and tables depicting five key 'subsets' or city groupings: (a) cities increasing by over 100,000 inhabitants; (b) the fastest growing cities in percentage terms; (c) their comparison with fastest growing cities, 1959-1979; (d) the slowest growing cities in percentage terms; and (e) their comparison with slowest growing cities, 1959-1979. The paper, by focusing on these parameters and utilizing extensively graphic and cartographic methods of data presentation, provides...insights into city growth trends...."

Demography↗

Population dynamics and global change: the need for new conceptual maps.

The author criticizes current approaches to the study of global population problems as typified by the discussions at the International Conference on Population and Development, held in Cairo, Egypt, in 1994. "Current approaches to population: (1) focus too much on humans and not on their interactions over time with populations of other species; (2) focus too much on the number of humans and not on their differential resource use and environmental impact; (3) accept uncritically the assumptions and concepts of industrial society regarding the nature of progress and the neutrality of technologies, markets, and trade. Broader and more integrated approaches are needed to address current international and global realities and trends." Some conceptual datasets that would illustrate a more effective approach to population problems are introduced.

Data Collection↗

The generation of socioeconomic surfaces for public policymaking.

The development is explained of a technique to generate 'modeled' surfaces of census-type socioeconomic survey data that offer the potential to overcome many of the problems inherent in the analysis and presentation of such data in conventional area-based form. Potential benefits of the modeled surfaces include a level of resolution that arguably can provide a more finely focused spatial basis for the generation of a wide range of spatial indicators that can aid public policy making. This type of application requires that the method is set within a flexibly managed information framework and includes suitable tests for the reliability of the generated surfaces.

Demography↗

Tools for integrating women's health into medical education: clinical cases and concept mapping.

The authors describe two teaching tools, case-based learning and concept mapping, and how they support cross-disciplinary, multidisciplinary, and interdisciplinary learning, use a biopsychosocial model, and promote the integration of sex- and gender-based science into the medical curriculum. The process of case development at MCP Hahnemann University (MCPHU) is outlined in detail for a specific case. That case, which integrates three different components of women's health, is then presented in full. The authors then provide an example of a concept map dealing with women and alcohol use; the map defines current knowledge and serves as a blueprint for developing curricular goals and learning objectives for the topic. Properly constructed concept maps and cases help teach patient-centered approaches to problem solving, address sex- and gender-based differences in disease as well as in pathophysiology and pharmacology, integrate psychosocial issues-such as family dynamics, environmental stressors, access to health care, effective gender-based communication between patient and provider, and cultural variations-along with biomedical ones, and encourage a multidisciplinary approach to patient care. The authors maintain that these tools might be used to transform medical education by making it more integrated and interdisciplinary.

Alcohol Drinking↗

A new definition of cities.

The authors introduce a new map of Britain, which is based on the city region concept and designed specifically to present data from the 1981 census. The primary purposes of this article are "to describe the main problems and distortions which result from using current administrative areas, outline the key features of the new way of defining British cities, and demonstrate the value of the new geographical framework with some basic statistics on city size and population trends."

Demography↗