Document Detail

Maternal recognition of pregnancy in marsupials.
MedLine Citation:
PMID:  10711730     Owner:  NLM     Status:  MEDLINE    
Pregnancy in kangaroos and wallabies (macropodid marsupials) induces multiple unilateral responses in the reproductive system that override those related to proximity to the single corpus luteum on one ovary or to the follicle on the contralateral ovary. This situation is in contrast to most other non-macropodid marsupials, in which the responses are dependent on the corpus luteum. There is now good evidence that these unilateral responses in macropodids are controlled by the feto-placental unit acting locally to stimulate the endometrium and myometrium. Pregnancy also influences the duration of the oestrous cycle and maternal behaviour. The stimuli responsible for these effects probably include paracrine, endocrine and mechanical stimuli resulting from uterine stretch. Taken together, these unilateral responses demonstrate that there is a refined maternal recognition of pregnancy in at least the macropodid marsupials.
M B Renfree
Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Reviews of reproduction     Volume:  5     ISSN:  1359-6004     ISO Abbreviation:  Rev. Reprod.     Publication Date:  2000 Jan 
Date Detail:
Created Date:  2000-03-31     Completed Date:  2000-03-31     Revised Date:  2005-11-16    
Medline Journal Info:
Nlm Unique ID:  9602351     Medline TA:  Rev Reprod     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  6-11     Citation Subset:  IM    
Department of Zoology, University of Melbourne, Parkville, Victoria, Australia.
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MeSH Terms
Endometrium / physiology
Estrus / physiology
Fetus / physiology
Marsupialia / physiology*
Maternal Behavior
Placenta / physiology
Pregnancy, Animal / physiology*
Urogenital System / blood supply
Uterus / physiology

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