Human Phenotype Ontology 
Grandparent Node:
expandAbnormality of blood and blood-forming tissues (HP:0001871)help
Parent Node:
expandAbnormality of thrombocytes (HP:0001872)help
..Starting node
..expandAbnormal platelet count (HP:0011873)help
Could not execute query 2
SELECT distinct t.id, t.name, t.acc, t2t.relationship_type FROM term2term as t2t, term_definition as t WHERE t2t.term1_id='1873' and t2t.term2_id=t.id ORDER BY t.name
Term ID: 11873
Name: Abnormal platelet count
Synonym:
Definition: Abnormal number of platelets per volume of blood. In a healthy adult, a normal platelet count is between 150,000 and 450,000 per microliter of blood.
Comments:
Reference: HP:0011873
Genes and Diseases:
 
       Child Nodes:
........collapseThrombocytopenia (HP:0001873) help