Document Detail

Photoperiod: an important regulator of plasma prolactin concentration in fetal lambs during late gestation.
MedLine Citation:
PMID:  3380939     Owner:  NLM     Status:  MEDLINE    
Measurement of prolactin (PRL) at 120-140 days gestation in chronically-cannulated fetal lambs and their mothers during hormonally-extended breeding seasons shows that photoperiod is a major determinant of PRL secretion in the fetal lamb as well as in its mother. About 80% of the variance between fetuses in plasma PRL concentration is associated with variation in ambient photoperiod. The magnitude of this effect far exceeds the range of previously reported diurnal or ontogenetic changes in PRL in the fetal lamb.
J M Bassett; J Bomford; J C Mott
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Quarterly journal of experimental physiology (Cambridge, England)     Volume:  73     ISSN:  0144-8757     ISO Abbreviation:  Q J Exp Physiol     Publication Date:  1988 Mar 
Date Detail:
Created Date:  1988-07-18     Completed Date:  1988-07-18     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  8206873     Medline TA:  Q J Exp Physiol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  241-4     Citation Subset:  IM    
University of Oxford, Growth and Development Unit, University Field Laboratory, Wytham.
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MeSH Terms
Fetal Blood / metabolism*
Gestational Age
Pregnancy / blood
Prolactin / blood*
Reg. No./Substance:

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