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Now showing items 61-70 of 126
Scanning electron microscopy on adults of Schistosoma mansoni treated in-vivo with praziquantel and RO-15 (5458).
(
Qatar University
, 1997 , Article)
In view of the known relationship between changes in the tegumental surface of schistosomes and the potency of antischistosomal drugs,
the present work is done to study the effect of two oral drugs, namely Praziquantel ...
Tail Regeneration after Autotomy in the Geckonid Lizard Bunopus Tuberculatus
(
Qatar University
, 1993 , Article)
Tail regeneration in the geckonid lizard, Banopus tuberculatus was morphologically and histologically studied after induced atutomy. Seventy percent of the tail of each animal, by length, was removed by autotomy. Regeneration ...
Sequence Of Ossification In The Skeleton Of Growing Lizard Chalcides Ocellatus Forscal (Scincidae, Reptilia)
(
Qatar University
, 1988 , Article)
The distribution of cartilaginous and ossification rudiments were described in the live-bearing lizards, Chalcides ocellatus, at birth, one-month-old, and 12-month-old. The skeletal elements investigated are: neurocranium, ...
The Appendicular Skeleton In The Hatching And In Young Bunopus Tuberculatus Blanford, 1874 (Gekkonidae, Reptilia)
(
Qatar University
, 1988 , Article)
The appendicular skeleton and its calcification are described in Bunopus tuberculatus at 3 ages: at hatching, 6-month-old and 12-month-old. Between the 3 ages there are several differences in the osteological pattern. The ...
Electron microscopic and autoradiographic analysis of the distribution of the vagus nerve in the ferret stomach
(
Qatar University
, 1999 , Article)
In this study, tritiated leucine was injected into the vagal dorsal motor nucleus after acute and chronic partial vagotomy. The method of sampling of the stomach, application of % 2 test and the analysis of the electron ...
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) ...
Scanning electron microscopy of the egg-shell of the fly synthesiomyia Nudiseta (wulp)
(
Qatar University
, 1994 , Article)
The ultrastructure of the egg-shell of the fly Synthesiomyia nudiseta has been studied by scanning electron microscopy. The surface of the outer chorion is highly ridged, grooved and has a reticulate appearance except at ...
Ultrastructural Study Of Type "B" Neurosecretory Cells In The Earthworm Nervous System
(
Qatar University
, 1991 , Article)
Neurosecretory cell types Bi—B5 are widely distributed throughout the cerebral, subesophageal, nerve cord and peripheral ganglia of the oligochaete Aporrectodea caliginosa, Lumbricus terrestris, Eisenia foetida, Octolasion ...
Lead-Induced Malformations and Kidney Destruction of Developing Chick Embryos
(
Qatar University
, 1993 , Article)
Two doses of lead nitrate, 0.5 and 0.1 mg/egg, were injected into the eggs after 3 days of indubation. Lead nitrate increased mortality rate and decreased the body weight of developing embryos. The lead nitrate also decreased ...
Histological And Histochemical Studies On The Decidua And The Uterine Glands During Early Pregnancy In The Rat (Rattus rattus)
(
Qatar University
, 1986 , Article)
Histological and histochemical studies were carried out on the decidua and uterine glands in the uteri of pregnant rats 'Rattusrattus' between 129 hours post.-coitum (p.c) and day nine of pregnancy. Decidualization was ...