Dictionary » E » Extremity



(Science: anatomy) a limb, an arm or leg (membrum), sometimes applied specifically to a hand or foot.

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Re: 6 fingers

... in Greek "dactylos" is without equivocation a finger). The 6th digit can be located in three different locations: on either side of the extremity or somewhere in between. With the hand for example, the extra finger can be out beyond the little finger (which is called ulnar hexadactyly) ...

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by BrentElmer
Fri Jan 30, 2015 7:10 am
Forum: Genetics
Topic: 6 fingers
Replies: 5
Views: 5899

Re: Thalidomide

... Missing limbs Phocomelia – Absence of majority of arm, with hand extending from shoulder Aplasia – Absence of thumb and bone in lower arm Lower extremity limb malformation Ear and vision malformation Heart birth defects Kidney malformation Genital malformation Digestive tract and nervous system ...

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by TonyF
Thu Mar 29, 2012 9:41 am
Forum: Cell Biology
Topic: Thalidomide
Replies: 5
Views: 9500

Re: Theories - Origin of Life

... is passed through a system of tiny parallel blood vessels that are interspersed in checkerboard fashion with similar vessels returning from the extremity of the birds leg, giving one of t he worlds most effective regenerative heat exchangers. The heat transfer performance of this blood vessel ...

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by scottie
Fri Apr 22, 2011 6:10 pm
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1127927

People need to work on regeneration

... gene being mutated in those mice. It will be a combination of the mutations that allowed them to heal their holes in their ears (which again is an extremity, and epithelial (containing fibroblasts that seem to be closer to blastema cells, and actually during salamander regeneration, they are the ...

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by kolean
Mon Mar 22, 2010 1:56 am
Forum: General Discussion
Topic: People need to work on regeneration
Replies: 10
Views: 6470


... even if us humans cannot exactly define what a species is. Well, they're certainly of the same species, it's just that canids are of a biological extremity compared to humans. The reason for the immense levels of biological diversity you see amongst dogs is due to the fact that canids have incredibly ...

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by Hozefit
Mon Jul 06, 2009 3:40 pm
Forum: Evolution
Topic: Speciation among primates and hominids
Replies: 13
Views: 14894
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