Ontology highlight
ABSTRACT:
SUBMITTER: Hirschberger C
PROVIDER: S-EPMC9340550 | biostudies-literature | 2022 Jul
REPOSITORIES: biostudies-literature
Hirschberger Christine C Gillis J Andrew JA
Development (Cambridge, England) 20220711 13
The pseudobranch is a gill-like epithelial elaboration that sits behind the jaw of most fishes. This structure was classically regarded as a vestige of the ancestral gill arch-like condition of the gnathostome jaw. However, more recently, hypotheses of jaw evolution by transformation of a gill arch have been challenged, and the pseudobranch has alternatively been considered a specialised derivative of the second (hyoid) pharyngeal arch. Here, we demonstrate in the skate (Leucoraja erinacea) that ...[more]