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The vertebral column, also known as the spinal column, spine or backbone, is the core part of the axial skeleton in vertebrate animals.
20 de sept. de 2018 · While mammal backbones are specialized, the regions that underlie them were believed to be ancient, dating back to the earliest land animals. Mammals made the most of the existing anatomical blueprint, or so scientists believed.
20 de sept. de 2018 · To probe its origins, Pierce, Jones, and their colleagues scoured museums for fossils with complete backbones. Ultimately, they analyzed spines from 16 synapsids, creatures that lived 200 million to 300 million years ago and include distant and immediate predecessors to mammals.
16 de nov. de 2018 · This study asks how thoracolumbar regionalization has impacted adaptation and evolvability across mammals. Using geometric morphometrics, we examine evolutionary patterns in five vertebral positions from diverse mammal species encompassing a broad range of locomotor ecologies.
3 de feb. de 2020 · The researchers compared the spines of two animals essentially on opposite ends of the evolutionary and anatomical spectrum: a cat, which has highly developed spinal regions, and a lizard, which has a pretty uniform backbone.
23 de jun. de 2024 · The skeletal system of mammals and other vertebrates is broadly divisible functionally into axial and appendicular portions. The axial skeleton consists of the braincase (cranium) and the backbone and ribs, and it serves primarily to protect the central nervous system. The limbs and their girdles constitute the appendicular skeleton.
20 de sept. de 2018 · While mammal backbones are specialized, the regions that underlie them were believed to be ancient, dating back to the earliest land animals. Mammals made the most of the existing anatomical...
