Claim · model-written summary
The young egg and canal cells were closely connected in the archegonium.
- Taxon
- Anisocampium sheareriAthyrium shearerit0
- Organ / stage
- young egg and the canal cellse0
- Outcome
- closely connected with each other in the cavity of the archegoniume0
Verbatim
e0“the young egg and the canal cells are closely connected with each other in the cavity of the archegonium”
t0“Anisocampium sheareri”
Title
Ultrastructural Observations on Oogenesis of the Fern Anisocampium sheareri
Yang Naiyin Xibei zhiwu xuebao 2013
Other claims from this paper (4)
- Observation A separation cavity and temporary wall formed above the egg while a pore region persisted.
- Observation The egg envelope formed by deposition of amorphous material in the separation cavity.
- Observation The egg envelope did not form across the pore region, yielding a fertilization pore.
- Observation Late in oogenesis, the egg nucleus became irregular and produced extensive evaginations and nuclear holds.