Carapace is a protective exoskeleton on the dorsal side. Plastron is a protective shield that is typically on the ventral side. It is a convex structure.
What is the main difference between carapace and plastron?
The key difference between carapace and plastron is that carapace is the dorsal part of the shell while plastron is the ventral part of the shell of an animal, especially a crustacean. Arthropods have an exoskeleton or a shell. Some vertebrates, especially tortoises and turtles, also have an exoskeleton.
What is plastron and carapace?
turtle shell structure
(carapace) and a bottom (plastron). The carapace and plastron are bony structures that usually join one another along each side of the body, creating a rigid skeletal box. This box, composed of bone and cartilage, is retained throughout the turtle’s life. Because the shell is an integral part of…
What part of a turtle is a plastron?
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 the shell. It also includes within its structure the anterior and posterior bridge struts and the bridge of the shell.
What does the plastron do?
1. A piece of leather stuffed or padded, worn by fencers to protect the breast.
What does the word plastron mean?
Definition of plastron
1a : a metal breastplate formerly worn under the hauberk. b : a quilted pad worn in fencing to protect the chest, waist, and the side on which the weapon is held.
What is the difference between carapace and exoskeleton?
is that exoskeleton is (anatomy) a hard outer structure that provides both structure and protection to creatures such as insects and crustacea while carapace is a hard protective covering of bone or chitin, especially one which covers the dorsal portion of an animal.
Do humans have a plastron?
Abstract. Characteristic changes that can be demonstrated on roentgenograms occur with increasing age in the plastron (chest plate) of humans.
What is plastron in zoology?
(ˈplæstrən) n. (Zoology) the bony plate forming the ventral part of the shell of a tortoise or turtle.