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mx id: 7767 | OBO id: HAO:0001504 | URI: http://purl.obolibrary.org/obo/HAO_0001504
dilator muscle of the 8th abdominal spiracle synonyms: dilator of the spiracle of abdominal segment VIII
Defined (both definition and relationships must be met)
Definition:
The spiracular muscle that arises anteroventrally from the tergal spiracular plate and inserts on the 8th abdominal spiracle.
written by: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.

Relationships / properties:
The dilator muscle of the 8th abdominal spiracle is a spiracular muscle.
The dilator muscle of the 8th abdominal spiracle is part of the multi-cellular organism.
When present, the dilator muscle of the 8th abdominal spiracle is attached to the 8th abdominal spiracle. When present, the dilator muscle of the 8th abdominal spiracle is attached to the abdominal tergum 8. When present, the dilator muscle of the 8th abdominal spiracle is attached to the cuticle. When present, the dilator muscle of the 8th abdominal spiracle is attached to the spiracle.

Label usage (sensu)
dilator muscle of the 8th abdominal spiracle by Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
dilator of the spiracle of abdominal segment VIII by Snodgrass, R. E. 1942. The skeleto-muscular mechanisms of the honey bee. Smithsonian Miscellaneous Collections 103:1-120.
Comments and tags
alternative definition added over 12 years ago by Istvan Miko
In the worker and the queen the dilator of the spiracle of segment VIII arises in the ventral anterior angle of the tergal spiracular plate, not on the sternum as in preceding segments.
  Reference: Snodgrass, R. E. 1942. The skeleto-muscular mechanisms of the honey bee. Smithsonian Miscellaneous Collections 103:1-120.
  Cross reference: None provided.


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