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Ontology Browser
Term:
Parent Terms Term With Siblings Child Terms
Abnormality of the epiphysis of the 1st metacarpal +   
Aplasia/Hypoplasia of the 1st metacarpal +   
Broad 1st metacarpal  
Increased width of the 1st metacarpal. In contrast to the proximal phalanges of the digits 2-5, the proximal phalanx of the thumb is embryologically equivalent to the middle phalanges of the other digits, whereas the first metacarpal is embryologically of phalangeal origin and as such equivalent to the proximal phalanges of the other digits.
Broad proximal phalanx of the 2nd finger 
Broad proximal phalanx of the 3rd finger 
Broad proximal phalanx of the 4th finger 
Broad proximal phalanx of the 5th finger 
Broad proximal phalanx of the thumb 
Bullet-shaped 1st metacarpal 
Curved 1st metacarpal 
Duplication of the 1st metacarpal +   
Fractured 1st metacarpal 
Osteolytic defects of the 1st metacarpal 
Patchy sclerosis of the 1st metacarpal 
Synostosis involving the 1st metacarpal +   
Triangular shaped 1st metacarpal 

Synonyms
Exact Synonyms: Wide 1st long bone of hand
Xrefs: UMLS:C4024097
Definition Sources: https://orcid.org/0000-0002-0736-9199

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