tracheal metamere 1 [FBbt_00005026]

Metameric subdivision of the tracheal system that originates in the mesothoracic segment (T2). As well as tracheating the mesothoracic segment, the major trachea of this metamere extends into all segments anterior to T2.

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Anatomy
FBbt

tracheal metamere 1

ID: FBbt_00005026

Anatomy

Metameric subdivision of the tracheal system that originates in the mesothoracic segment (T2). As well as tracheating the mesothoracic segment, the major trachea of this metamere extends into all segments anterior to T2.

Note that terminal tracheation by each tracheal metamere extends beyond its segment of origin. According to Whitten (1980), the most anterior tracheal metamere corresponds to the prothoracic segment.

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## Classification

Relationships

develops from: mesothoracic tracheal primordium
overlaps: mesothoracic segment

Alternative Names

Synonym	Scope	Reference
Tr1	exact synonym
tracheal hemisegment	related synonym

Parts of tracheal metamere 1 (25 total)

Thumbnail	Name	Tags
	adult spiracular tracheal branch 1	Adult, Anatomy
	cephalic tracheal branch	Anatomy, Larva
	dorsal cephalic tracheal branch	Anatomy, Larva
	embryonic/larval tracheal transverse connective 1	Anatomy, Larva
	larval dorsal tracheal anastomosis 1	Anatomy, Larva

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], "short_form": "FBbt_00000018", "label": "mesothoracic segment" } }, { "relation": { "iri": "http://purl.obolibrary.org/obo/RO_0002202", "label": "develops from", "type": "develops_from" }, "object": { "symbol": "", "iri": "http://purl.obolibrary.org/obo/FBbt_00000187", "types": [ "Entity", "Anatomy", "Class" ], "short_form": "FBbt_00000187", "label": "mesothoracic tracheal primordium" } } ], "xrefs": [], "anatomy_channel_image": [], "pub_syn": [ { "synonym": { "scope": "has_exact_synonym", "label": "Tr1", "type": "" }, "pub": { "core": { "symbol": "", "iri": "http://flybase.org/reports/Unattributed", "types": [ "Entity", "Individual", "pub" ], "short_form": "Unattributed", "label": "" }, "FlyBase": "", "PubMed": "", "DOI": "" } }, { "synonym": { "scope": "has_related_synonym", "label": "tracheal hemisegment", "type": "" }, "pub": { "core": { "symbol": "", "iri": "http://flybase.org/reports/Unattributed", "types": [ "Entity", "Individual", "pub" ], "short_form": "Unattributed", "label": "" }, "FlyBase": "", "PubMed": "", "DOI": "" } } ], "def_pubs": [ { "core": { "symbol": "", "iri": "http://flybase.org/reports/FBrf0034081", "types": [ "Entity", "Individual", "pub" ], "short_form": "FBrf0034081", "label": "Whitten, 1980, Ashburner, Wright, 1978-1980 d: 499--540" }, "FlyBase": "", "PubMed": "", "DOI": "" } ] }

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