The present study has shown that developing larvae within the uteri gradually stretch the egg membrane to form their cover or sheath.
What are the rights of women whose uteri are to be used for gestating clones?
The uteri of pseudopregnant females were examined for fetuses on day 19 or 20.
These two populations were selected because they offered the largest worm variability (different stages of maturity, body size and gravid uteri).
The occurrence of a high proportion (35.4%) of female worms with no eggs in their uteri is not easily explained.
Embryos at different stages collected from oviducts or uteri were transferred into a flushed oviduct of non-pregnant mice.
All adult whales were found pregnant by the presence of a fetus in their uteri.
The worm uteri were distended with eggs, and uterine egg counts of 10 worms showed a mean of 243 ^ 6 eggs/worm.
