Document Detail

Involution of the antimesometrial decidua in the mouse. An ultrastructural study.
MedLine Citation:
PMID:  3619076     Owner:  NLM     Status:  MEDLINE    
Involution of the antimesometrial decidua was analysed by electron microscopy on days 9, 10 and 11 of pregnancy in the mouse. During this period, the width of the antimesometrial decidua decreases considerably. Involution begins in the decidual cells situated closest to the embryo (internal decidua) and proceeds towards the myometrium. The cells of the internal decidua showed signs of deterioration characterized by accumulation of clumps of chromatin in the nuclei and dilation of the perinuclear cisterna and endoplasmic reticulum cisternae. Autophagosomes and heterophagosomes accumulated in the cytoplasm of these cells. Cells particularly strongly affected became spherical and were devoid of their plasma membrane. Some cells near the trophoblast as well as the mature decidual cells situated farther from the embryo showed a normal morphology. The trophoblastic cells established close contact with healthy decidual cells and engulfed fragments of disorganized decidual cells. It is suggested that the death of decidual cells is a type of programmed cell death and that it is not due to a direct lytic action by the trophoblast.
S Katz; P A Abrahamsohn
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Anatomy and embryology     Volume:  176     ISSN:  0340-2061     ISO Abbreviation:  Anat. Embryol.     Publication Date:  1987  
Date Detail:
Created Date:  1987-09-04     Completed Date:  1987-09-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7505194     Medline TA:  Anat Embryol (Berl)     Country:  GERMANY, WEST    
Other Details:
Languages:  eng     Pagination:  251-8     Citation Subset:  IM    
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MeSH Terms
Decidua / cytology,  physiology,  ultrastructure*
Microscopy, Electron
Myometrium / cytology,  physiology,  ultrastructure*

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