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Article

Regressive evolution of the arthropod tritocerebral segment linked to functional divergence of the Hox gene labial.

Proceedings. Biological sciences - 7 Sept 2015

Pechmann Matthias, Schwager Evelyn E, Turetzek Natascha, Prpic Nikola-Michael

Abstract excerpt

The intercalary segment is a limbless version of the tritocerebral segment and is present in the head of all insects, whereas other extant arthropods have retained limbs on their tritocerebral segment (e.g. the pedipalp limbs in spiders). The evolutionary origin of limb loss on the intercalary se...

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Identifiers

PMID: 26311666
DOI: 10.1098/rspb.2015.1162
PMCID: PMC4571697

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 4 Sept 2026. Prepared record publication-26311666-2026-09-04.2. Manifest publication-graph-cohort-2026-09-04.2.

Source receipt: PubMed via Helena Literature Corpus, retrieved 4 Sept 2026.

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