FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

abnormal proboscis extension reflex

ID (Ontology)

FBcv:0000680 (FlyBase CV)

Definition

Phenotype that is any abnormality in proboscis extension reflex (GO:0007637). 'proboscis extension reflex' is defined as: 'The extension, through direct muscle actions, of the proboscis (the trunk-like extension of the mouthparts on the adult external head) in response to a nutritional stimulus.'[ FlyBase:FBrf0044924 ]

Also Known As

"proboscis extension reflex defective"

Comment

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Alleles (FBal)	PHENOTYPIC_CLASS
Constructs (FBtp)	PHENOTYPIC_CLASS

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Alleles	Constructs
abnormal proboscis extension reflex (all annotations which use CV term, excluding "NOT" statements)
abnormal proboscis extension reflex \| adult stage
abnormal proboscis extension reflex \| adult stage \| conditional
abnormal proboscis extension reflex \| adult stage \| dominant		--
abnormal proboscis extension reflex \| adult stage \| heat sensitive
abnormal proboscis extension reflex \| adult stage \| recessive		--
abnormal proboscis extension reflex \| conditional
abnormal proboscis extension reflex \| heat sensitive
abnormal proboscis extension reflex \| light conditional
abnormal proboscis extension reflex \| progressive
abnormal proboscis extension reflex \| recessive		--
abnormal proboscis extension reflex \| RU486 conditional

Spanning Tree (Parents/Children)

  abnormal behavior
   |__abnormal chemosensory behavior
       |__abnormal proboscis extension reflex  170 rec.
           |__abnormal tarsal response 42 rec.
           |__decreased rate of proboscis extension reflex
           |__increased rate of proboscis extension reflex 4 rec.

Spanning Tree View Settings
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Relationships
Is a	abnormal chemosensory behavior
Part of
Synonyms & Secondary IDs
Synonyms
	"proboscis extension reflex defective" EXACT
Secondary IDs

External Crossreferences & Linkouts