Human Phenotype Ontology 
Grandparent Node:
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Aplasia/Hypoplasia of the middle phalanges of the hand (HP:0009843)help
Grandparent Node:
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Short finger (HP:0009381)help
Grandparent Node:
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Short phalanx of finger (HP:0009803)help
Parent Node:
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Aplasia/Hypoplasia of the middle phalanx of the 2nd finger (HP:0009568)help
Parent Node:
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Short 2nd finger (HP:0009536)help
Parent Node:
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Short middle phalanx of finger (HP:0005819)help
..Starting node
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Short middle phalanx of the 2nd finger (HP:0009577)help
Term ID: 9577
Name: Short middle phalanx of the 2nd finger
Synonym: Brachymesophalangy II (finger); Hypoplastic middle index finger phalanx; Hypoplastic/small middle phalanx of the 2nd finger; Short middle bone of index finger
Definition: Hypoplasia (congenital reduction in size) of the middle phalanx of the second finger, also known as the index finger.
Comments:
Reference: HP:0009577
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandShort middle phalanx of the 3rd finger (HP:0009439) help
..expandShort middle phalanx of the 4th finger (HP:0009295) help
..expandShort middle phalanx of the 5th finger (HP:0004220) help
..expandShort proximal phalanx of thumb (HP:0009638) help
..expandShortening of all middle phalanges of the fingers (HP:0006110) help


Genes (6) :GDF5 HOXD13 INTU MYCN RUNX2 SRCAP

Diseases (8) :OMIM:615072 OMIM:113100 ORPHA:93409 OMIM:617926 ORPHA:391641 OMIM:119600 OMIM:156510 OMIM:136140
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.