Effects of Thiouracil and Thyroxine on Chick Embryo Development ,

on the effects of pictorial clues on the efl learners listening comprehension development

the following null hypothesis was proposed: there is no significant difference between the efl students listening comprehension development receiving pictorial cues and those receiving no cuse. to test the null hypothesis, 52 male and femal freshmen students of medicine studing at iran university of medical scinces were randomly selected from a total population of 72 students. to ensure that th...

Some effects of glucagon on chick embryo development.

Glucagon concentrations ranging from 1.16 to 300-0 microgram/0.1 ml diluent were injected into the yolk of chick embryos on incubation days 8, 10, and 12. Studies of survival rates, embryo weights, blood sugars, liver and tibiotarsus glycogen histochemistry, and pancreatic alpha and beta tissue histogenesis were undertaken during the 9- to 16-day incubation period. Glucagon dosages of 37.5 and ...

The Effects of Progesterone on Oocyte Maturation and Embryo Development

Oocyte maturation and embryo development are controlled by intra-ovarian factors such as steroid hormones. Progesterone (P4) exists in the follicular fluid that contributes to normal mammalian ovarian function and has several critical functions during embryo development and implantation, including endometrial receptivity, embryonic survival during gestation and transformation of the endometrial...

the effects of planning on accuracy and complexity of iranian efl students’ written narrative task performance

this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...

Effect of Thyroxine on Early Development of Chick Limb Buds