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11 results on '"Levasseur, M.C."'

1. La reproduction des vertébrés

Author

Thibault, C., Beaumont, A., Levasseur, M.C., ProdInra, Migration, Unité de recherches de Physiologie animale (JOUY PHYSIO A), and Institut National de la Recherche Agronomique (INRA)

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio]
Published
1998

2. Puberty

Author

Forest, M.G., Levasseur, M.C., Unité de recherches de Physiologie animale (JOUY PHYSIO A), Institut National de la Recherche Agronomique (INRA), C. Thibault (Editeur), M.C. Levasseur (Editeur), and R.H.F. Hunter (Editeur)

Subjects
[SDV]Life Sciences [q-bio]
Abstract

chap. 28

Published
1993

3. Oestrous and menstrual cycles

Author

Driancourt, Marc Antoine, Royère, Dominique, Hedon, B., Levasseur, M.C., Unité de recherche Physiologie de la reproduction des mammifères domestiques, Nouzilly, Institut National de la Recherche Agronomique (INRA), Unité de recherches de Physiologie animale (JOUY PHYSIO A), C. Thibault (Editeur), M.C. Levasseur (Editeur), R.H.F. Hunter (Editeur), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], [INFO]Computer Science [cs], [INFO] Computer Science [cs]
Abstract

chap. 29; International audience

Published
1993

4. La reproduction chez les mammiferes et l'homme

Author

Thibault, C., Levasseur, M.C., Unité de recherches de Physiologie animale (JOUY PHYSIO A), Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], THEORIE
Published
1991

5. Cycles oestriens et cycles menstruels

Author

Driancourt, Marc Antoine, Royère, Dominique, Hedon, B., Levasseur, M.C., Unité de recherche Physiologie de la reproduction des mammifères domestiques, Nouzilly, Institut National de la Recherche Agronomique (INRA), Unité de recherches de Physiologie animale (JOUY PHYSIO A), C. Thibault (Editeur), M.C. Levasseur (Editeur), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], [INFO]Computer Science [cs], [INFO] Computer Science [cs]
Abstract

chap. 29; National audience

Published
1991

6. La puberte

Author

Forest, M.G., Levasseur, M.C., Unité de recherches de Physiologie animale (JOUY PHYSIO A), Institut National de la Recherche Agronomique (INRA), C. Thibault (Editeur), and M.C. Levasseur (Editeur)

Subjects
[SDV]Life Sciences [q-bio]
Abstract

chap. 28

Published
1991

7. Resumption of gonadotrophin release during the post-partum period in suckling and non-suckling ewes

Author

Schirar, A., Louault, Frédérique, POULIN, Noëlle, Meusnier, C., Levasseur, M.C., Martinet, Julien, Laboratoire de neurobiologie de la reproduction, Institut National de la Recherche Agronomique (INRA), Unité de recherche Physiologie de la reproduction des mammifères domestiques, Nouzilly, Laboratoire de physiologie de la lactation, and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], LH, [SDV]Life Sciences [q-bio], FSH, [INFO]Computer Science [cs], [INFO] Computer Science [cs], POSTPARTUM, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
1990

8. Ovulation.

Author

Thibault, C. and Levasseur, M.C.

Abstract

Three events lead to the ovulation of a normal oocyte: cytological and biochemical changes in the follicle wall, disintegration of the follicle apex and oocyte maturation. The remodelling of the follicle wall results from plasmin and collagenase activities. The thinning of the follicular apex, in addition to these enzymes, involves hydrolases liberated by dying ovarian epithelial cells. PGF and histamine are also involved but it is not known precisely how they contribute to the apical dissociation. The nuclear and cytoplasmic maturation of the oocyte is highly dependent on the synthetic activities of granulosa cells which are regulated by LH and FSH. The pulsatile secretion of these gonadotrophins is not necessary for the final phase of Graafian follicle growth and rupture. Why high levels of gonadotrophins, normally reached during the preovulatory surge, completely change the structure and the biochemical activities of all follicular compartments remains unknown and in fact has never been studied. Moreover, there is very little information concerning the mechanisms involved both in the increase of blood flow during the LH surge and later in the blood stasis at the follicular apex. Steroids, whatever their levels and ratio, are of little if any concern in follicle rupture and nuclear maturation. However, their importance has been clearly demonstrated in the cytoplasmic maturation of the oocyte of some species. [ABSTRACT FROM PUBLISHER]

Published
1988

9. Substance P and the GnRH-associated peptide (GAP) as probable physiological modulators of GnRH and dopamine action in the cyclic release of LH and prolactin

Author

Kerdelhue, B., Schirar, A., Battman, T., Lenoir, V., Meusnier, C., Nikolics, K., Seeburg, P., Levasseur, M.C., Laboratoire de physiologie de la lactation, Institut National de la Recherche Agronomique (INRA), Unité de recherches de Physiologie animale (JOUY PHYSIO A), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], LH, [SDV]Life Sciences [q-bio], RAT
Published
1987

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