The Germ-Cells of Cicada (Tibicen) Septemdecim (Homoptera)

Shaffer, Elmer L.

doi:10.2307/1536215

The Biological Bulletin

1920

DOI: 10.2307/1536215

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The Germ-Cells of Cicada (Tibicen) Septemdecim (Homoptera)

Elmer L. Shaffer¹

Abstract: A. Introduction 405 B. Materials and Methods 406 C. Observations on Chromosomes AO7 z. Diploid chromosome groups 407 (a) Spermatogonia 407 (b) Follicle-cells 408 (c) Embryonic cells 410 (d) Somatic cells 410 2. Spermatocytes 411 (a) Growth stages 411 (b) Maturation tetrads 412

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Cited by 14 publications

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“…(reviewed in detail by \\'ilson, 1928), Shaffer (1920) and others. Such investigations suggested that nurse cells were ahortive ova specialized for the formation of nutritive materials to supply the needs of the developing egg.…”

mentioning

confidence: 99%

Cytological and Cytochemical Studies of Oogenesis of Popilius Disjunctus Illiger (Coleoptera-Polyphaga)

Bryan

1954

The Biological Bulletin

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mentioning

confidence: 99%

Cytological and Cytochemical Studies of Oogenesis of Popilius Disjunctus Illiger (Coleoptera-Polyphaga)

Bryan

1954

The Biological Bulletin

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A Study of the Cytoplasmic Inclusions During Sporogenesis in Onoclea Sensibilis

Marengo

1949

American J of Botany

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A cytological and experimental analysis of the meiotic behavior of the univalent X chromosome in the bearberry aphid Tamalia (Phyllaphis) coweni (Ckll.)

Ris

1942

J. Exp. Zool.

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The Germ-Cells of Cicada (Tibicen) Septemdecim (Homoptera)

Abstract: A. Introduction 405 B. Materials and Methods 406 C. Observations on Chromosomes AO7 z. Diploid chromosome groups 407 (a) Spermatogonia 407 (b) Follicle-cells 408 (c) Embryonic cells 410 (d) Somatic cells 410 2. Spermatocytes 411 (a) Growth stages 411 (b) Maturation tetrads 412

Cited by 14 publications

References 0 publications

Cytological and Cytochemical Studies of Oogenesis of Popilius Disjunctus Illiger (Coleoptera-Polyphaga)

Cytological and Cytochemical Studies of Oogenesis of Popilius Disjunctus Illiger (Coleoptera-Polyphaga)

A Study of the Cytoplasmic Inclusions During Sporogenesis in Onoclea Sensibilis

A cytological and experimental analysis of the meiotic behavior of the univalent X chromosome in the bearberry aphid Tamalia (Phyllaphis) coweni (Ckll.)

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