Search
Now showing items 1-6 of 6
Histomorphology Of The Skin Of The Gecko Cyrtodactylus Scaber (Gekkonidae, Reptilia)
(
Qatar University
, 1989 , Article)
The histological structures from different dorsal and ventral regions of the skin of the gecko Cyrtodactylus scaber are described. Qualitative differences in the skin structures are recorded. The correlation between the ...
Effect Of Unfed Female Weight On The Biology Of Hyalomma (Hyalomma) Impeltatum Schulze and Schlottke (Acari: Ixodidae)
(
Qatar University
, 1989 , Article)
Unfed female Hyalomma (Hyalomma) impeltatum Schuize and Schlottke in 4 different weight groups of 2.6-5.0, 6.2-10.0, 10.3-14.7 and 15.2-22.3 mg, respectively, were investigated for the effect of unfed female weight (UFW) ...
Light Microscopic Study On Schistosoma Mansoni Induced Hepatic And Splenic Lesions Following Praziquantel Treatment
(
Qatar University
, 1989 , Article)
Hepatic and splenic lesions were developed in mice of both sexes following their exposure to cercariae of Schistosoma mansoni (70 cercariae / animal). After 12 weeks of infection, the liver showed the formation of typical ...
Some Aspects Of Camouflage In Animals
(
Qatar University
, 1989 , Article)
Camouflage is the principal device by which vulnerable animals escape predation. The attention of potential predators can be avoided by protective resemblance -mimicking an inedible object such as a seed or leaf. Concealment ...
Effect Of Daily Alcohol Injection Of Pregnant Rats On The Developing Embryos
(
Qatar University
, 1989 , Article)
In the present investigation; three doses; 0.002 (group I), 0.004 (group II) and 0.006 (group III) ml/gm body weight of 25%ethanol were used. Continuous IP injection of alcohol from day 7 through day 15 caused a significant ...
Effect Of Cobra Naja Haje Venom On The Adrenal Activity In Rabbits
(
Qatar University
, 1989 , Article)
Injection of rabbits with a sublethal dose (0.2mg/kg) of Naja haje venom induced an increase in serum cortisol, free cholesterol, glucose and potassium ions. A decrease in total cholesterol and sodium ions was observed ...