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Subject heads:
Enrique Amaya
Andrea Brand
Christian Klaembt
Ruth Lehmann
David McClay
Mary Mullins
Nipam Patel
Norbert Perrimon
Jim Smith
Rocky Tuan
Lewis Wolpert

Editors:
Robert Burke
Bill Chia
Michael Hengartner
Nicole Le Douarin
Patrick Lemaire
Thomas Schilling
Bernard Thisse

  Gametogenesis (7 items)

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1.
Detail of ovarian wall in an onychophoran showing stalked oocytes, cell divisions and musculature
© Georg Mayer
2.
Ovary of an ovoviviparous onychophoran showing large seminal receptacles, accessory pouches and stalked oocytes
© Georg Mayer
3.
Ovary of an egg-laying onychophoran showing stalked oocytes on its surface
© Georg Mayer
4.
Drosophila spermatids develop as polarized cysts of interconnected cells
© Julie Brill
5.
Phosphatidylinositol 4-kinase III beta (Fwd) is required for cytokinesis during male meiosis in Drosophila
© Julie Brill

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