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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

The subcellular structure of the blastula of Limnaea stagnalis L. (Mollusca) and the mobilization of the nutrient reserve

Bluemink, J. G. January 1967 (has links)
Proefschrift--Utrecht. / "Stellingen": leaf inserted. Vita. Bibliography: p. 84-96.
2

Histological and functional studies on the genital tract of Lymnaea stagnalis appressa Say

Holm, Louis Wilkins, January 1943 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1943. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Bibliography: leaves 67-70.
3

The histology and developmental history of the ovotestis of Lymnaea stagnalis lillianae

Archie, Vivian Elizabeth, January 1941 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1941. / Typescript. Includes abstract and vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 27-29).
4

Studies on the anatomy, histology, and functioning of the alimentary system of Lymnaea stagnalis appressa Say

Carriker, Melbourne R. January 1943 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1943. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 214-223).
5

The subcellular structure of the blastula of Limnaea stagnalis L. (Mollusca) and the mobilization of the nutrient reserve

Bluemink, J. G. January 1967 (has links)
Proefschrift--Utrecht. / "Stellingen": leaf inserted. Vita. Bibliography: p. 84-96.
6

Studies on cross-fertilization and self-fertilization in Lymnaea stagnalis appressa Say

Cain, Gertrude Lucretia, January 1955 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1955. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 67-69).
7

Limnei stagnalis anatome

Stiebel, Salomon Friedrich, January 1815 (has links)
Inaug.-diss. - Göttingen. / "Litteratura": p. [11].
8

The embryology of the reproductive tract of Lymnaea stagnalis appressa Say

Fraser, Lemuel Anderson, January 1944 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1944. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 36-38).
9

Men1-dependent Increase in RPeD1 Excitability is Required for Long Term Memory Consolidation after Aversive Operant Conditioning in Lymnaea stagnalis.

Li, Kathy 14 December 2011 (has links)
Long term memory (LTM) formation is a complex process involving signalling cascades, new protein synthesis and gene regulation. Increasing evidence demonstrates a role of intrinsic plasticity in memory formation, but the underlying molecular mechanisms remain relatively unknown. LTM was established using an aversive operant conditioning model in Lymnaea stagnalis. Using intracellular electrophysiology in an isolated preparation, increased gain of firing frequency was observed in the RPeD1 neuron after LTM. This provides the first demonstration of intrinsic plasticity after operant conditioning in RPeD1, a neuron required for the conditioned behaviour and LTM. I also determined the contribution of the transcription factor men1 to plasticity. Using in vivo RNAi silencing, I found that men1 is required for LTM and increasing RPeD1 excitability during consolidation, demonstrating men1-mediated intrinsic plasticity is critical for LTM. I propose a new model of memory formation in which men1-dependent increase of excitability during consolidation is required for LTM.
10

Men1-dependent Increase in RPeD1 Excitability is Required for Long Term Memory Consolidation after Aversive Operant Conditioning in Lymnaea stagnalis.

Li, Kathy 14 December 2011 (has links)
Long term memory (LTM) formation is a complex process involving signalling cascades, new protein synthesis and gene regulation. Increasing evidence demonstrates a role of intrinsic plasticity in memory formation, but the underlying molecular mechanisms remain relatively unknown. LTM was established using an aversive operant conditioning model in Lymnaea stagnalis. Using intracellular electrophysiology in an isolated preparation, increased gain of firing frequency was observed in the RPeD1 neuron after LTM. This provides the first demonstration of intrinsic plasticity after operant conditioning in RPeD1, a neuron required for the conditioned behaviour and LTM. I also determined the contribution of the transcription factor men1 to plasticity. Using in vivo RNAi silencing, I found that men1 is required for LTM and increasing RPeD1 excitability during consolidation, demonstrating men1-mediated intrinsic plasticity is critical for LTM. I propose a new model of memory formation in which men1-dependent increase of excitability during consolidation is required for LTM.

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