http://people.eku.edu/ritchisong/342notes6.htm WebThese fish share a unique sound detection system—the Weberian apparatus—which involves the swim bladder and modified elements of the first few trunk vertebrae. The vertebrae …
Study of the vertebral column of the onion trevally, Carangoides ...
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 WebThe skin of a fish serves many functions. It aids in maintaining the osmotic balance, ... being moved by the trunk musculature. The body musculature is usually arranged in rows of … can being overweight cause lower back pain
Vertebral Column in Fishes (With Diagram) Chordata
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. 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 … WebJul 28, 2024 · Some fish do have vertebrates in their anatomy, while others do not. A few different types of fish fall into this category ... All fish still possess vertebrate … fishing echo lake nh