Human Phenotype Ontology 
Grandparent Node:
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Abnormality of the musculature of the upper limbs (HP:0001446)help
Grandparent Node:
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Aplasia/Hypoplasia involving the musculature of the extremities (HP:0009128)help
Parent Node:
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Abnormality of the shoulder girdle musculature (HP:0001435)help
Parent Node:
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Aplasia/Hypoplasia involving the musculature of the upper limbs (HP:0001467)help
..Starting node
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Aplasia/Hypoplasia involving the shoulder musculature (HP:0001464)help
Term ID: 1464
Name: Aplasia/Hypoplasia involving the shoulder musculature
Synonym: Absent/small shoulder muscles; Absent/underdeveloped shoulder muscles
Definition: Absence or underdevelopment of the muscles of the shoulder.
Comments:
Reference: HP:0001464
Genes and Diseases:
 
       Child Nodes:
........expandShoulder muscle hypoplasia (HP:0008952) help
................... HP:0030241 Hypoplasia of deltoid muscle
........expandShoulder muscle aplasia (HP:0500023) help

 Sister Nodes: 
..expandAplasia/Hypoplasia involving the musculature of the upper arm (HP:0001468) help
..expandUpper limb muscle hypoplasia (HP:0009016) help


Genes (4) :FLNA MAP3K7 RBM8A SALL4

Diseases (3) :ORPHA:1826 OMIM:274000 OMIM:147750
 

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