Trunk vertebrae of fish
WebJun 24, 2024 · The axial skeleton of all vertebrates is composed of individual units known as vertebrae. Each vertebra has individual anatomical attributes, yet they can be classified in … 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 caudal vein and dorsal aorta and is found on the ventral surface of the more posterior ( caudal ) vertebrae
Trunk vertebrae of fish
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WebJan 1, 2024 · Fish is a noun, a term that defines aquatic, ectothermic, gill-breathing animals bearing bony—or cartilaginous-rayed fins ... ureters, and urinary bladder. The kidney is located in the celomatic cavity (Fig. 2.18) right below the trunk vertebrae (i.e., between the transverse processes) and produces urine. WebJun 26, 2024 · The vertebral column of fish is differentiated in two regions: the trunk vertebrae, which cover the portion of the body between the skull and the tail, and the …
WebApr 21, 2016 · Trunkfish belong to the order Tetraodontiformes in the family Ostraciidae. This family contains myriad species of four main types of fish – boxfishes, cofferfishes, … WebTrunk & tail muscles of fish: Axial musculature consists of a series of segments separated by myosepta. Myosepta serve as origins & insertions for segmented muscles; Myomeres are divided into dorsal & ventral …
WebThe vertebral column, cranium ... and intramuscular bones make up a bony fish's skeleton. The skeleton of a bony fish gives structure, provides protection, assists in leverage, and … In many respects, fish anatomy is different from mammalian anatomy. However, it still shares the same basic body plan from which all vertebrates have evolved: a notochord, rudimentary vertebrae, and a well-defined head and tail. Fish have a variety of different body plans. At the broadest level, their body is divided … See more Fish anatomy is the study of the form or morphology of fish. It can be contrasted with fish physiology, which is the study of how the component parts of fish function together in the living fish. In practice, fish anatomy and … See more The head or skull includes the skull roof (a set of bones covering the brain, eyes and nostrils), the snout (from the eye to the forward-most point of the upper jaw), the operculum or See more Jaw The vertebrate jaw probably originally evolved in the Silurian period and appeared in the Placoderm fish which further diversified in the Devonian. Jaws are thought to derive from the pharyngeal arches that … See more Fish reproductive organs include testes and ovaries. In most species, gonads are paired organs of similar size, which can be partially or totally fused. There may also be a range of … See more There are two different skeletal types: the exoskeleton, which is the stable outer shell of an organism, and the endoskeleton, which forms the support structure inside the body. The … See more Fish are vertebrates. All vertebrates are built along the basic chordate body plan: a stiff rod running through the length of the animal (vertebral column or notochord), with a hollow tube of nervous tissue (the spinal cord) above it and the gastrointestinal tract below. … See more Intestines As with other vertebrates, the intestines of fish consist of two segments, the small intestine and the large intestine. In most higher vertebrates, the small intestine is further divided into the duodenum and other parts. In fish, … See more
WebMar 8, 2024 · The fish body is composed mainly of a large lateral muscle on each side of the backbone, divided by sheets of connective tissue into segments corresponding to the …
http://www.bio.sunyorange.edu/updated2/creationism/macroevolution/9%20Vertebrae.htm lawanda page redd foxxhttp://miller.biology.utah.edu/courses/3315/handouts/07_bodySkel.pdf lawanda pennington real estate grapeland txWebThe number of trunk vertebrae varies in vertebrates. Sharks may possess several hundred while most teleosts possess about 48, although eels can possess hundreds of vertebrae and platyfish possess only 6 trunk vertebtrae. Amphibian vertebral counts vary from 6 in some frogs to 285 in some caecilians. lawanda pennington real estateWebMay 23, 2012 · Tetrapods possess up to five morphologically distinct vertebral series: cervical, thoracic, lumbar, sacral and caudal. The evolution of axial regionalization has … lawanda page brown formanWebDinocephalosaurus (meaning "terrible-headed reptile") is a genus of long necked, aquatic protorosaur that inhabited the Triassic seas of China.The genus contains the type and only known species, D. orientalis, which was named by Li in 2003.Unlike other long-necked protorosaurs (which form a group known as the tanystropheids), Dinocephalosaurus … k9actionWebThe caudal peduncle is the narrow part of the fishes body to which the caudal or tail fin is attached. The hypural joint is the joint between the caudal fin and the last of the vertebrae. Fish Fins. The fins are the most … k99 country windsorWebby soft rays - never by spines. Modification of the most posterior vertebrae which attach the axial skeleton to the caudal fin rays are of great taxonomic and functional importance. … k99 country dayton