Abstract
Phagocytic resorption during spermatogenesis was studied in the sea urchin Anthocidaris crassispina. Nutritive phagocytes in gonad absorbed both waste sperm cells and residual bodies discarded from maturing spermatids, and these materials were subsequently compartmented in heterophagosomes. Based on 180 heterophagosomes examined by transmission electron microscopy, over 99% of heterophagosomes contained either residual bodies or sperm cells only. Simultaneous resorption of sperm cells and residual bodies in a heterophagosome was uncommon, with only ∼0.56% occurrence, suggesting that heterophagosomes have a selective resorption ability in nutritive phagocytes.
| Original language | English |
|---|---|
| Pages (from-to) | 71-73 |
| Journal | Zygote |
| Volume | 12 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Feb 2004 |
Research Keywords
- Residual body
- Resorption
- Sea urchin
- Sperm
- Ultrastructure
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