Human Phenotype Ontology 
Grandparent Node:
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Abnormality of the musculature (HP:0003011)help
Parent Node:
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Abnormality of the musculature of the thorax (HP:0009131)help
..Starting node
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Abnormal pectoral muscle morphology (HP:0011957)help
Term ID: 11957
Name: Abnormal pectoral muscle morphology
Synonym: Abnormal pec muscles
Definition: An abnormality of the pectoral muscle, comprising the pectoralis major, a thick, fan-shaped muscle of the anterior chest and the pectoralis minor, a thin, triangular muscle situated underneath the pectoralis major.
Comments:
Reference: HP:0011957
Genes and Diseases:
 
       Child Nodes:
........expandAbsence of pectoralis minor muscle (HP:0005255) help
........expandUnilateral absence of pectoralis major muscle (HP:0005256) help
........expandPectoralis major hypoplasia (HP:0008953) help
........expandUnilateral hypoplasia of pectoralis major muscle (HP:0011959) help
........expandPectoralis amyotrophy (HP:0012037) help

 Sister Nodes: 
..expandHypoplasia of latissimus dorsi muscle (HP:0009026) help
..expandHypoplasia of serratus anterior muscle (HP:0009011) help


Genes (3) :CAPN3 LMX1B SALL4

Diseases (3) :ORPHA:267 OMIM:161200 OMIM:147750
 

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