Histological observations on the changes in Thyroid activity in the geckonid lizard, bunopus tuberculatus, during tail regeneration
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Histological observations on the thyroid activity during differentphases of tail regneration in the geckonid lizard, Bw/jo/ms tuberculatus, have indicated a decreased thyroid activity during wound-healing phase. During regeneration, the thyroid activity increased reaching its maximal level during blastema formation phase, as indicated by the increase of follicle cell height as well as the reduction in colloid amount from the follicle lumen. An optimal concentration of thyroxine might be required almost during blastema phase. During differentiation and growth phases a noticeable reduction in thyroid activity was indicated. In the fully regenerated tail, the thyroid activity was nearly comparable to that of the control (normal) tail.
- Qatar University Science Journal - [From 1981 TO 2007] [770 items ]