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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
Aplasia/Hypoplasia of the thymus +   
Ectopic thymus tissue  
The presence of ectopic thymus tissue. Normally, cells of the ventral bud of the third pharyngeal pouch detach and migrate in the eighth gestational week caudally and medially towards the location of the mature thyroid. They migrate further retrosternally into the superior mediastinum. There are two main ways ectopic thymus tissue can develop. Either cells detach along the descensus path and proliferate, thereby forming accessory thymus tissue, or the entire gland fails to descend.
Neoplasm of the thymus +   
Thymic cyst 
Thymic hormone decreased  
Thymus hyperplasia  

Synonyms
Exact Synonyms: Abnormal thymus position
Xrefs: UMLS:C4023795
Definition Sources: https://orcid.org/0000-0002-0736-9199

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