WebRay of the posterior dorsal fin: each of the small bones forming the rear fin on the back of a fish. Neural spine: spine containing part of the nervous system. Vertebra: each of the … Web64 Abdominal vertebrae 65 Caudal vertebrae 66 Centrum 67 Neurapophysis 68 Neural spine 69 Haemapophysis 70 Haemal spine 71 Zygapophysis 72 Parapophysis 73 Ribs 74 Epipleurals 75 Interneural 76 Dorsal fin 77 …
Central nervous system underlying fish swimming [A review]
WebJul 18, 2012 · Fish vertebral column 1. Trunk and tail part 2. Hemal spine a spine extending downwards from the lower end of the haemal arch in posterior or caudal vertebrae Hemal arch the arch which encloses the … diamond shape types
Toad: Vertebral column and its functions - BrainKart
WebFish Two vertebral regions only, Trunk, and Caudal (tail); trunk vertebrae with ribs, neural arches and spines, caudal vertebrae with neural and hemal arches. In Agnathan (jawless) fish like Ostracoderms and Cyclostomes, the notochord is prominent with small cartilaginous vertebral elements. WebNeural Spine Length Variation. because as the amount of muscle needed increases, the amount of support for those muscles needs to increase. Regional Differentiation Fish vs. Mammals. fish-one spine, same length mammals- spines connected to limbs, have different shapes for different areas bc they have different uses, chest, back, pelvis, neck ... WebJul 25, 2024 · Now, researchers have identified the genes responsible for the evolution and development of pufferfish spines in a study publishing July 25 in the journal iScience. Turns out, the process is ... cisco small business access point