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The association between precancerous-columnar and squamous lesions of the cervix: a morphometric study (1983)

ROON, E. ; BOON, M.E. ; KURVER, P.J.H. ; [et al.]

Oxford, UK : Blackwell Publishing Ltd

Histopathology 7 (1983), S. 0

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ISSN: 1365-2559

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Medicine

Notes: A histological study of 208 cases found a strong association between the occurrence of precancerous cervical columnar and squamous lesions. This was not, however, directly related to cellular abnormalities. The criteria for adenocarcinoma in situ (AIS) and its precursor lesions were defined morphometrically. With increasing abnormalities of the columnar cells, changes of the glandular and epithelial architecture were more frequently observed. Of the 20 cases morphometrically classified as AIS, only four were initially diagnosed as such, of which three were cases of ‘pure’ AIS lacking squamous cell abnormalities. Quantifying abnormalities of columnar epithelium is an important aid in the identification and classification of AIS.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1365-2559.1983.tb02303.x

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Breeding caraway for non-shattering seed (1964)

Roon, E. ; Bleijenberg, H. J.

Springer

Euphytica 13 (1964), S. 281-293

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ISSN: 1573-5060

Source: Springer Online Journal Archives 1860-2000

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition

Description / Table of Contents: Samenvatting De bestaande karwijrassen zijn loszadig, hetgeen tot grote opbrengstverliezen aanleiding kan geven. Indien vastzadigheid met de overige gunstige eigenschappen zou kunnen worden gecombineerd zou dit de oogstzekerheid zeer ten goede komen. De oogstmethoden zouden dan tevens vereenvoudigd kunnen worden. Pogingen dit doel te bereiken zijn in de literatuur vermeld. De destijds gekweekte vastzadige karwij voldeed echter niet aan de eisen van de praktijk. Het toenemend tekort aan arbeidskrachten in de streken waar de karwij wordt verbouwd was een stimulans nogmaals het probleem aan te vatten. Onderzoek over de bloembiologie bevestigde dat karwij gemakkelijk is in te telen. Dit vereenvoudigt het veredelingsprogramma. Met behulp van vliegen is zaadzetting zeer te bevorderen. Door genetisch onderzoek werd bevestigd dat vastzadigheid van karwij een dominante eigenschap is, berustend op 1 erffactor.

Notes: Abstract The present varieties of caraway have shattering seeds which may lead to considerable yield losses. If through breeding the character non-shattering seed could be added to the existing favourable properties, the harvesting methods could be simplified essentially. This would be of real advantage in the areas of cultivation. In the literature efforts to reach this objective have been described in detail. However, the material developed appeared not to be good enough in practice. Therefore the project has been tackled once more, since through the present shortage of labour in the areas of cultivation the growing of caraway might present difficulties. Studies concerning its flower biology confirmed that caraway can be easily inbred so that a breeding programme can be simplified considerably. Seed setting can be greatly furthered by using flies for pollination. Genetic research showed that the character non-shattering seed is governed by one gene which is dominant.