Results 51 to 60 of about 753 (160)
FEBS Open Bio, 2021 Beta‐microseminoproteins (MSMBs) are small disulfide‐rich proteins that are conserved among vertebrates. These proteins exhibit diverse biological activities and were mainly reported to play a role in male fertility, immunity, and embryogenesis.
Franck Coste +9 more
doaj +1 more source
Structure, ontogeny and evolution of the patellar tendon in emus (Dromaius novaehollandiae) and other palaeognath birds [PDF]
PeerJ, 2014 The patella (kneecap) exhibits multiple evolutionary origins in birds, mammals, and lizards, and is thought to increase the mechanical advantage of the knee extensor muscles.
Sophie Regnault +2 more
doaj +2 more sources
, 2012 Current evolutionary consensus, based on both molecular and morphological data, suggests that there are two broad subdivisions at the base of living birds (Neornithes), the neognaths (Neognathae) and palaeognathous birds (Palaeognathae). Palaeognaths are
Gareth J Dyke +3 more
core +1 more source
Evolution and development of the bird chondrocranium
Frontiers in Zoology, 2021 Background Birds exhibit an enormous diversity in adult skull shape (disparity), while their embryonic chondrocrania are considered to be conserved across species.
Evelyn Hüppi +2 more
doaj +1 more source
A Phylogenomic Supertree of Birds
Diversity, 2019 It has long been appreciated that analyses of genomic data (e.g., whole genome sequencing or sequence capture) have the potential to reveal the tree of life, but it remains challenging to move from sequence data to a clear understanding of evolutionary ...
Rebecca T. Kimball +13 more
doaj +1 more source
Clade‐wide morphological and functional variation of the sauropsid columella
The Anatomical Record, EarlyView.Abstract The columella (=stapes) is the middle ear bone of reptiles that transmits vibrations from the environment to the inner ear. It has been shown to exhibit extensive interspecific morphological disparity in several clades; however, its morphological variation and associated functional consequences remain poorly described.
John Peacock +4 more
wiley +1 more source
The pectoralis muscle orientation as an indicator of the modes of wing‐propelled locomotion in birds
Journal of Anatomy, EarlyView.The pectoralis orientation of birds was consistent with the orientation of the aerodynamic force acting on the wing, varying by wing‐propelled locomotion (WPL) mode. The skeletal morphology unique to each WPL mode, related to the origin/insertion of the pectoralis, may be associated with these functional demands of pectoralis orientation.
Takumi Akeda, Shin‐ichi Fujiwara
wiley +1 more source
Sydney Phylogenetics Workshop: Lessons From the Past 15 Years
Ecology and Evolution, Volume 16, Issue 9, September 2026.Phylogenetic analysis forms an important component of research in the life sciences. The Sydney Phylogenetics Workshop has offered an annual training opportunity suitable for early career researchers. In this article, we provide an outline of the content and format of the workshop, the challenges associated with running such an event on a minimal ...
Simon Y. W. Ho
wiley +1 more source
Comparative ossification and development of the skull in palaeognathous birds (Aves: Palaeognathae) [PDF]
Zoological Journal of the Linnean Society, 2009 Ratites and tinamous are a morphologically diverse group of flightless and weakly flighted birds. As one of the most basal clades of extant birds, they are frequently used as an outgroup for studies discussing character evolution within other avian orders.
openaire +1 more source
Biological Reviews, Volume 101, Issue 3, Page 1406-1462, June 2026.ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz +6 more
wiley +1 more source