منابع مشابه
Experimental Animals and Induction of Brain Tumors. Newborn Syrian hamsters obtained from Engle's Labora
In vitro cultivation of medulloblastoma cells was success fully established from hamster brain tumors induced by simian adenovirus SA7. These tumor cells possess morpho logical features in cultures that are very similar to those of the original tumor. Both tubular and rosette growth pat terns were evident. At the ultrastructural level only small numbers of cytoplasmic organdies could be detecte...
متن کاملIntraocular tumors in animals. II. Primary nonpigmented intraocular tumors.
The present authors (14) have recently discussed intraocular tumors in animals, in a report restricted to primary pigmented neoplasms and based on fifteen such cases in dogs. This was the first comprehensive study of spontaneous intraocular tumors in animals, but because of its restricted scope there remain for consideration other primary and various secondary intraoeular tumors. In the present...
متن کاملPrimary pigmented intraocular tumors in animals.
Intraocular melanomas, among the most com mon eye tumors in man, have seldom been reported in animals. This is particularly surprising in regard to the dog, a species that usually lives well into the "tumor age" and is affected by diverse neoplasms. In his "Pathology of Tumours" (1953) Willis (48) stated : ' 'I have not read of an intraocular melano ma in an animal." While reported cases are no...
متن کاملFeeding the newborn: comparative problems in man and animals.
The human problems that we will hear about later in this meeting concern feeding babies of unusual weights; first, babies that weigh too little at birth and secondly, babies that weigh too much after birth because they have been over-fed. Somewhat similar situations occur in animals, either in their natural circumstances, or as a result of experimental procedures. I shall describe examples of t...
متن کاملPromotion of gastrointestinal tract tumors in animals: dietary factors.
The biological mode of action of tumor promoters, exemplified by the phorbol esters, is a subject of intensive study in a number of laboratories. A few investigators have recently begun to examine the role of dietary nutrients in tumor promotion, but the available data are sparse and interpretation difficult. A few examples are provided to indicate that some nutrients may be important in the pr...
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ژورنال
عنوان ژورنال: Pathologia veterinaria
سال: 1965
ISSN: 0031-2975
DOI: 10.1177/030098586500200402