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Ontology Browser

Parent Terms Term With Siblings Child Terms
Abnormal reflex +     
Abnormal postural reflex +   
Abnormal superficial reflex +   
Hyperreflexia +   
Primitive reflex +   
The primitive reflexes are a group of behavioural motor responses which are found in normal early development, are subsequently inhibited, but may be released from inhibition by cerebral, usually frontal, damage. They are thus part of a broader group of reflexes which reflect release phenomena, such as exaggerated stretch reflexes and extensor plantars. They do however involve more complex motor responses than such simple stretch reflexes, and are often a normal feature in the neonate or infant.
Reduced tendon reflexes +   

Exact Synonyms: Archaic reflex ;   Primitive reflexes
Xrefs: UMLS:C1838319
Definition Sources: PMID:12700289

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