## Abstract The differentiation and degeneration of the cement gland in __Xenopus laevis__ is described. The gland is first observed histologically at stage 19 (neural tube stage) as a packed group of apical ectoderm cells heavily laden with oocyte pigment granules, lying ventral to the cranial neu
Histochemical Characteristics of Cement-Gland Mucin in Xenopus laevis
β Scribed by Timothy A. Lyerla
- Book ID
- 125721996
- Publisher
- Blackwell Publishing
- Year
- 1974
- Weight
- 937 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0003-0023
- DOI
- 10.2307/3225295
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## Abstract Summary: The mucus secreting cement gland is the anteriorβmost ectodermal organ of the __Xenopus embryo__. The homeobox genes __Pltx1__ and __Pitx2c__ are expressed in the cement gland primordium. Misexpression of both genes induced ectopic cement gland tissue in whole embryos and trans
## Abstract The development of __Xenopus laevis__ cement gland ectoderm cultured as epidermal vesicles from neurula stage embryos is described. The life cycle explanted gland cells closely parallels that seen in intact animals. The cells increase in height, extrude their secretory mucin and most of