A comparative study of the corpus luteum

Gemmell R.T. (1995) A comparative study of the corpus luteum. Reproduction, Fertility and Development, 7 3: 303-312. doi:10.1071/RD9950303


Author Gemmell R.T.
Title A comparative study of the corpus luteum
Journal name Reproduction, Fertility and Development   Check publisher's open access policy
ISSN 1448-5990
Publication date 1995-01-01
Sub-type Article (original research)
DOI 10.1071/RD9950303
Open Access Status Not Open Access
Volume 7
Issue 3
Start page 303
End page 312
Total pages 10
Subject 1103 Clinical Sciences
1309 Developmental Biology
1311 Genetics
1305 Biotechnology
1312 Molecular Biology
1310 Endocrinology
2743 Reproductive Medicine
Abstract The corpus luteum (CL) is a transitory organ which has a regulatory role in reproduction. Sharks, amphibians and reptiles have corpora lutea that produce progesterone which influences the rate of embryonic development. The egg-laying monotremes and the two major mammalian groups, eutherian and marsupial, have a CL that secretes progesterone. Most eutherians have allowed for the uterine development of their young by extending the length of the oestrous cycle and the CL or placenta actively secretes progesterone until birth. Gestation in the marsupial does not extend beyond the length of an oestrous cycle and the major part of fetal development takes place in the pouch. Where the extension of the post-luteal phase in the eutherian has allowed for the uterine development of young, the marsupial has extended the pre-luteal phase of the oestrous cycle and has evoled an alternative reproductive strategy, embryonic diapause.The mechanism for the secretion of hormones from the CL has been controversial for many years. Densely-staining secretory granules have been observed in the CL of sharks, marsupials and eutherians. These granules have been reported to contain relaxin, oxytocin or mesotocin, and progesterone. A hypothesis to suit all available data is that all hormones secreted by the CL are transported within such granules.In conclusion, although there are obvious differences in the mode of reproduction in the two main mammalian groups, it is apparent that there is a great deal of similarity in the hormonal control of regression of the CL and parturition.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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