Appendicular Skeleton

Science / Biology / Appendicular Skeleton: The bones of the appendages (wings, legs, and arms or fins) and of the pelvic and pectoral girdles that join the appendages to the rest of the skeleton; one of the two components of the skeleton of vertebrates.

Exoskeleton

Science / Biology / Exoskeleton: A hard, jointed, external covering that encloses the muscles and organs of an organism; typical of many arthropods including insects. MORE

Hydrostatic Skeleton

Science / Biology / Hydrostatic Skeleton: Fluid-filled closed chambers that give support and shape to the body in organisms such as jellyfish and earthworms. No to be confused with the water-vascular system of echinoderms. MORE

Endoskeleton

Science / Biology / Endoskeleton: An internal supporting skeleton with muscles on the outside; in vertebrates, consists of the skull, spinal column, ribs, and appendages. MORE

Cytoskeleton

Science / Biology / Cytoskeleton: A three-dimensional network of microtubules and filaments that provides internal support for the cells, anchors internal cell structures, and functions in cell movement and division. MORE

Axial Skeleton

Science / Biology / Axial Skeleton: The skull, vertebral column, and rib cage; one of the two components of the skeleton in vertebrates. MORE

Appendicular Skeleton

Science / Biology / Appendicular Skeleton: The bones of the appendages (wings, legs, and arms or fins) and of the pelvic and pectoral girdles that join the appendages to the rest of the skeleton; one of the two components of the skeleton of ve MORE

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