Document Detail

An infant with caudal appendage.
MedLine Citation:
PMID:  22604513     Owner:  NLM     Status:  MEDLINE    
There are several human atavisms that reflect our common genetic heritage with other mammals. One of the most striking is the existence of the rare 'true human tail'. It is a rare event with fewer than 40 cases reported in the literature. The authors report a case of an infant born with the true tail. A 3-month-old baby girl, presented with an 11 cm long tail, which was successfully surgically removed. Human embryos normally have a prenatal tail, which disappears in the course of embryogenesis by programmed cell death. Recent advances in genetic research reveal that 'of those organs lost, in evolution, most species carry 'genetic blue prints'. Thus, rarely the appearance of ancient organs like tail may be the result of re-expression of these switched off gene.
Jimmy Shad; Rakesh Biswas
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2012-04-17
Journal Detail:
Title:  BMJ case reports     Volume:  2012     ISSN:  1757-790X     ISO Abbreviation:  BMJ Case Rep     Publication Date:  2012  
Date Detail:
Created Date:  2012-05-18     Completed Date:  2013-02-12     Revised Date:  2014-04-20    
Medline Journal Info:
Nlm Unique ID:  101526291     Medline TA:  BMJ Case Rep     Country:  England    
Other Details:
Languages:  eng     Pagination:  -     Citation Subset:  IM    
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MeSH Terms
Sacrococcygeal Region / abnormalities*,  surgery*

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