## Abstract Landlocked larval sea lampreys (__Petromyzon marinus__) in three sizeβgroups were treated with two concentrations of potassium perchlorate (0.01 and 0.05% KC10~4~; a goitrogen) for 117 days during the winter to determine if metamorphosis can be induced at a time when it will not occur s
Gonadogenesis in Landlocked and Anadromous Forms of the Sea Lamprey, Petromyzon marinus
β Scribed by Leslie A. Barker; F. William H. Beamish
- Book ID
- 110253363
- Publisher
- Springer
- Year
- 2000
- Tongue
- English
- Weight
- 31 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0378-1909
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Thyroxine (T4) concentrations in samples of fresh sera taken from fed and unfed larval (ammocoetes) and metamorphosing anadromous sea lamprey (Petromyzon marinus) were measured by means of radioimmunoassay. T4 levels in unfed ammocoetes after a 1-month period were not significantly different from th
## Abstract Thyroglobulin (TG) was localized in the endostyle of the anadromous sea lamprey, Petromyzon marinus L. by means of the unlabeled antibody peroxidaseβantiperoxidase immunocytochemical method. TG was found localized on the apical surface and within the cytoplasm of type 2c and 3 cells and
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