منابع مشابه
Fresh-water Fish Chemoreceptors Responsive to Dilute Solutions of Electrolytes
I N T R O D U C T I O N The palatal chemoreceptors of the carp display a rather peculiar type of response to varying concentrations of electrolytes (Konishi and Niwa, 1964). Dilute solutions of salts, especially those with polyvalent anions such as Na3citrate and Na 2 HP04 , produced strong responses. However, an increase in concentration depressed receptor activity, although the activity incre...
متن کاملToxicity of Nickel to Fresh Water Fish, Channa
Heavy metals are considered as the most important pollutants of the aquatic environment. In the present study, acute toxicity test was used for the determination of lethal toxicity of Nickel in adult fish, Channa gachua as the test organism. Toxicity test is most reliable for accessing the adverse effect of pollutants on aquatic life. The LC50 values were determined and observed that the values...
متن کاملParasitic adaptation of fresh water fish, Channa Striatus
The thorny headed acanthocephan, Pallisentis nagapurensis infects the intestine of fresh water murrel, Channa striatus. This parasite broughts severe histopathological changes in the intestine includes mucosa and submucosa are completely disrupted, thickened lamina propria, damage of epithelial cells, mucosa folds clumped. The intestinal villi of the mucosa shrinked, infected intestine often en...
متن کاملMycological profile of infectious Keratitis from Delhi.
BACKGROUND & OBJECTIVE Corneal blindness is a major health problem worldwide and infectious keratitis is one of the predominant causes. The incidence of fungal keratitis has increased over the last few years. Though a few studies have been carried out on mycotic keratitis from north and other parts of India, there are none from Delhi. Keeping this in mind, this study was conducted to evaluate t...
متن کاملClinico-mycological Profile of Dermatophytic Infections
The common cause of skin infections are dermatophytes and opportunistic fungi. The prevalence of dermatophyte infection varies with different geographic area and climatic conditions. This study was undertaken to study the clinical pattern and the etiological agents of dermatophyte infections. Clinical samples from 100 patients were subjected to microscopic examination and culture on various med...
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ژورنال
عنوان ژورنال: Kafrelsheikh Veterinary Medical Journal
سال: 2003
ISSN: 1687-1456
DOI: 10.21608/kvmj.2003.112223