WebBoth the carapace and the plastron are made of bone, including about 50 to 60 rib and back bones in the upper shell and a fusion of clavicle and rib bones in the lower shell. On top of … The turtle shell is made up of numerous bony elements, generally named after similar bones in other vertebrates, and a series of keratinous scutes which are also uniquely named. Some of those bones that make the top of the shell, carapace, evolved from the scapula rami of the clavicles along with the dorsal and … See more The turtle shell is a shield for the ventral and dorsal parts of turtles (the order Testudines), completely enclosing all the vital organs of the turtle and in some cases even the head. It is constructed of modified bony … See more The turtle's shell is covered in scutes that are made of keratin. The individual scutes as shown above have specific names and are generally consistent across the various species of turtles. … See more Bony dermal plates theory: the "Polka Dot Ancestor" Zoologists have sought to explain the evolutionary origin … See more The carapace is the dorsal (back), convex part of the shell structure of a turtle, consisting of the animal's ossified ribs fused with the dermal bone. The spine and expanded ribs are fused through ossification to dermal plates beneath the skin to form a hard … See more The plastron (plural: plastrons or plastra) is the nearly flat part of the shell structure of a turtle, what one would call the belly or ventral surface of … See more The carapacial ridge plays an essential role in the development of the turtle shell. Embryological analyses show that the carapacial ridge initiates the formation of the turtle shell. It … See more Ulcerative Shell Disease Background: Historically, the disease, Ulcerative Shell Disease, had been … See more
Tortoiseshell - Wikipedia
WebA turtle’s shell is as much a part of its body as our skeleton is to ours. The shell is made of two pieces, the carapace (top) and the plastron (bottom), which are fused together on each side at what’s called a bridge. The carapace is covered by … WebJul 14, 2024 · The top part of the turtle shell is called the carapace, while the bottom part is called the plastron. The carapace and plastron are connected by a bridge, which runs across the turtle’s back. Turtles can withdraw into their … nazareth playlist
Turtle shell - Wikipedia
WebJul 24, 2024 · An alligator snapping turtle will also have 3 ridges on its shell (called keels) and may look sort of prehistoric at first glance. Then, it'll have a triangular jaw. Common snapping turtles, on the other hand, have a smooth shell and a softer, u-shaped jaw. Both species are large, but alligator turtles are larger. WebTortoiseshell or tortoise shell is a material produced from the shells of the larger species of tortoise and turtle, mainly the hawksbill sea turtle, which is a critically endangered species according to the IUCN Red List largely … WebAug 20, 2024 · The turtle shell is made up of rows of firmly connected bony plates, which are covered by horny plates, or scutes. The domed carapace covering the back of the animal is connected to the flat ... nazareth pool passes