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arm bone

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.arm bone - a bone in the armarm bone - a bone in the arm                    
long bone, os longum - in limbs of vertebrate animals: a long cylindrical bone that contains marrow
arm - a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb
endoskeleton - the internal skeleton; bony and cartilaginous structure (especially of vertebrates)
humerus - bone extending from the shoulder to the elbow
radius - the outer and slightly shorter of the two bones of the human forearm
elbow bone, ulna - the inner and longer of the two bones of the human forearm


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A half moon shape is attached to a stem, which is inserted straight down the middle of the arm bone.
A half-moon shape is attached to a stem, which is inserted straight down the middle of the arm bone.
The upper arm bone provides a lot of information about the lifestyle of the animal, because its shape gives clues to the pattern of movement and can tell us for example whether the animal lifted the front part of its body clear of the ground," said Professor Per Ahlberg at the Department of Physiology and Developmental Biology.
 
 
 
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