Search results
Results from the WOW.Com Content Network
They are ossicles composed of calcite microcrystals found on the aboral (upper) surface of the animal. Their stalks emerge from the body wall and their umbrella-like crowns, each fringed with short spines, meet edge-to-edge forming a protective external false skin.
The Weberian apparatus functions by transmitting auditory signals straight from the gas bladder, through the Weberian ossicles and then straight into the labyrinth structures of the inner ear. The structure essentially acts as an amplifier of sound waves that would otherwise be only slightly perceivable by the inner ear structure alone.
A true endoskeleton is derived from mesodermal tissue. In three phyla of animals, Chordata, Echinodermata and Porifera (), endoskeletons of various complexity are found.An endoskeleton may function purely for structural support (as in the case of Porifera), but often also serves as an attachment site for muscles and a mechanism for transmitting muscular forces as in chordates and echinoderms ...
Connective tissue, including dermis, tendons and ligaments, is one of four main animal tissues. Usual connective tissue does not change its stiffness except in the slow process of aging. Catch connective tissue, however, shows rapid, large and reversible stiffness changes in response to stimulation under nervous control.
Ossicles are small calcareous elements embedded in the dermis of the body wall of echinoderms. They form part of the endoskeleton and provide rigidity and protection. They are found in different forms and arrangements in sea urchins , starfish , brittle stars , sea cucumbers , and crinoids .
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The ossicles (microscopic calcareous spike-like structures that support the body wall) are large and shaped like anchors and are used in locomotion; they can be as long as 2 mm. [2] The ossicles are adhesive, and the sea cucumber is very difficult to detach from a wetsuit.
Avatar Flight of Passage is a 3D flying simulator attraction within Pandora – The World of Avatar at Disney's Animal Kingdom. Set in the Avatar universe , the attraction allows guests to take flight on a native mountain Banshee and soar across the landscape of Pandora.