In order to examine the mechanism of atresia in the small follicles of laying hens, changes of three enzyme activities, acid phosphatase, 3ƒÀ-hydroxysteroid dehydrogenase (3ƒÀ-HSD) and glucose-6-phosphate dehydrogenase (G-6-PD), during atresia were analyzed histochemically. Acid phosphatase activity in the follicular wall increased along with the tissue degradation in the process of atresia. Hi...

Fig . 1 .-Adjustable prone position head support. Angled front (A) and back (8 ) vi ews demonstrate thumb bolt adjustment of face piece, chin support , and Velc ro straps that assist in maintain ing head in desired position. A large base provides stability and good fric ti onal contact with the x-ray tabletop. C and D demonstrate volunteer's comfortable position . The airway is unobstruc ted an...

Facet joint injection is considered to be a safe procedure. There have been some reported cases of facet joint pyogenic infection and also 3 cases of facet joint infection spreading to paraspinal muscle and epidural space due to intra-articular injections. To the author's knowledge, paraspinal and epidural abscesses after facet joint injection without facet joint pyogenic infection have not bee...

Hirayama Disease is a disease of young adults lying in the age group between twenty to thirty years. It is an extremely uncommon disorder. Its other synonyms are juvenile muscular atrophy of the distal upper extremity (JMADUE) or monomelic amyotrophy (MMA). A previously healthy 25-year-old man presented with gradually increasing weakness in both hands for the past few years. There was neither h...

1.1 Regulation of female reproductive system Regulation of female reproductive system consists of very complex interactions between the hypothalamus, neurohypophysis and ovaries. Beginning from the embryologic stage, female reproductive system is regulated by the brain. Ovarian hormone production is supressed by the hypothalamo-hypophyseal control mechanism till the end of the childhood period ...