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mx id: 590 | OBO id: HAO:0000950 | URI: http://purl.obolibrary.org/obo/HAO_0000950
Defined (both definition and relationships must be met)
The anatomical cluster that is composed of the distal end of the trachea and the margin of the sclerite or conjunctiva surrounding the spiracular opening.
written by: Miko, I. 2009. -2014 Curator. Hymenoptera Anatomy Ontology.

Relationships / properties:
The spiracle is a anatomical cluster.
The spiracle is part of the segment.

Label usage (sensu)
spiracle by Chapman, R. F. 1998. The insects: structure and function 4th edition. Cambridge University Press, Cambridge, New York, Melbourne 770 pp.
spiracle by Miko, I. 2009. -2014 Curator. Hymenoptera Anatomy Ontology.
Comments and tags
alternative definition added almost 6 years ago by Istvan Miko
External opening in the body wall for a tracheal air tube, which forms part of the respiratory system of an insect; in most chalcids at least three sets of spiracles are visible, the mesothoracic spiracle, propodeal spiracle, and metasomal spiracle, as well as sometimes a metathoracic spiracle.
  Reference: Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
  Cross reference: None provided.

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