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Tar syndrome

tar syndrome

(Science: syndrome) tar stands for thrombocytopenia (low blood platelets) and aplasia (absence) of the radius (the long bone on the thumb-side of the forearm), features characterizing this syndrome. There is phocomelia (flipper-limb) with the thumbs always present. The fibula (the smaller bone in the lower leg) is often absent. The risk of bleeding from too few platelets is high in early infancy but lessens with age. The condition is inherited in an autosomal recessive trait with one gene (on a non-sex chromosome) coming from each parent to the tar child. Alternative names include thrombocytopenia-absent radius syndrome, radial aplasia-thrombocytopenia syndrome, and tetraphocomelia-thrombocytopenia syndrome.


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TAR-thrombocytopenia & absent radius syndrome

This is the info the teacher gave us. THROMBOCYTOPENIA AND ABSENT RADIUS SYNDROME   Marjorie and Joe Winthrop are healthy, but only two of their six ... that the family has thrombocytopenia and absent radius syndrome (TAR).  Marjorie and Joe's parents do not have any of these symptoms.   SOURCE:  ...

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by karenk
Wed Mar 22, 2006 4:20 pm
 
Forum: Genetics
Topic: TAR-thrombocytopenia & absent radius syndrome
Replies: 3
Views: 2731

TAR-thrombocytopenia & absent radius syndrome

Thrombocytopenia and absent radius syndrome-- what is the most likely mode of inheritance and why? Parents ( both are healthy) have 6 kids---only 2 are healthy. One child(Pete) is allergic to cows milk and has a minor heart defect. If Pete ...

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by karenk
Wed Mar 22, 2006 3:10 pm
 
Forum: Genetics
Topic: TAR-thrombocytopenia & absent radius syndrome
Replies: 3
Views: 2731


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