...Edwin J. W. Geven; Nha-Khanh Nguyen; Marcel van den Boogaart; F. A. Tom Spanings; Gert Flik; Peter H. M. Klaren SUMMARY In teleosts, the thyroid gland is mostly found in the subpharyngeal region. However, in several species thyroid follicles are found in, for example,heart, head kidney and kidney...

...Vesna Rajkovic; Milica Matavulj; Olle Johansson SUMMARY The effect of 50 Hz electromagnetic field (EMF) on thyroid gland was studied using light and transmission electron microscopes. Two-month-old male rats were exposed to an EMF (100-300 μT, 54-160 V m -1 ) for 4 h a day, 5 days a week for 1...

... deformed giants. Giant tadpoles lack thyroid glands, and differ in morphology and behaviour from normal larvae. They are negatively buoyant, typically with small and partially solidified lungs, and have greatly enlarged fat bodies. Giant tadpoles have mature gonads with eggs and sperm, whereas normal...