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Journal
1996 | 44 | 61-66
Article title

Distribution of accessory nuclei in the oocytes of the sawfly, Athalia rosae (Hymenoptera: Tenthredinidae)

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EN
Abstracts
EN
In the oocytes of Athalia rosae accessory nuclei (AN) arise in late previtellogenesis. Three categories of AN: large (LAN), medium (MAN), and small (SAN) can be distinguished. Distribution of AN along the anteroposterior and dorsoventral axes of the oocyte is uneven. In the previtellogenic and vitellogenic oocytes dorsoventral polarity is marked by an abundance of AN in the ventral ooplasm. Distribution of AN along anteroposterior axis depends on the stage of oogenesis. In this paper the possible mechanism responsible for the uneven distribution of AN is proposed and discussed.
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Journal
Year
Volume
44
Pages
61-66
Physical description
Contributors
author
References
Document Type
article
Publication order reference
M. Zawadzka, Department of Systematic Zoology, Institute of Zoology, Jagiellonian University, R. Ingardena 6, 30-060 Krakow, Poland.
Identifiers
YADDA identifier
bwmeta1.element.element-from-psjc-b05fd2cb-dda7-3da8-87a1-f15f55e5a46c
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