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mx id: 1188 | OBO id: HAO:0000705 | URI: http://purl.obolibrary.org/obo/HAO_0000705
pectus synonyms: pleurosternum
Defined (both definition and relationships must be met)
Definition:
The sclerite that is located ventrally of the thoracic segment and bears the furca and the lateral coxal condyle of the pleuron.
written by: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.

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

Label usage (sensu)
pectus by Ronquist, F., and G. Nordlander. 1989. Skeletal morphology of an archaic cynipoid, Ibalia rufipes (Hymenoptera: Ibaliidae). Entomologica Scandinavica, Supplement 33:1-60.
pleurosternum by Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
pectus by Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
pectus by Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
Comments and tags
alternative definition added over 9 years ago by Istvan Miko
Term sometimes used for the combined lateral and ventral portions of the mesothorax and metathorax, that is the ancestral pleuron and sternum.
  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.

alternative definition added over 9 years ago by Istvan Miko
Term sometimes used for the combined lateral and ventral regions of a thoracic segment, particularly the mesothorax though the sternum of the mesothorax is hypothesized to be invaginated and the sternopleural region to be composed entirely of pleural elements (see also mesopectus).
  Reference: Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
  Cross reference: false

comment added over 9 years ago by Matt Yoder
Although Gibson provided two differently worded definition for pectus and pleurosternum, seemingly both definitions refers the same class. Or? Is the pleurosternum excludes internal structures (discrimenal lamella and furca)?
  Reference: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
  Cross reference: None provided.

alternative definition added about 8 years ago by Istvan Miko
The anatomical cluster that is composed of the sternum and the pleuron.
  Reference: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
  Cross reference: None provided.

alternative definition added about 10 years ago by Istvan Miko
The large venterolateral sclerite of The pterothoracic segments, probably formed by fusion of ancestral pleural and sternal sclerites
  Reference: Ronquist, F., and G. Nordlander. 1989. Skeletal morphology of an archaic cynipoid, Ibalia rufipes (Hymenoptera: Ibaliidae). Entomologica Scandinavica, Supplement 33:1-60.
  Cross reference: None provided.


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