What is a plastron on a tortoise?

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.

What is tortoise shell called?

The domed top of the shell is called the carapace, while the flat layer underneath the animal’s belly is called the plastron. The ribs and backbones of turtles and tortoises are fused to the bones in their shells.

What do you mean by carapace and plastron?

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.

How do you say plastron?

Break ‘plastron’ down into sounds: [PLAST] + [RUHN] – say it out loud and exaggerate the sounds until you can consistently produce them.

What is plastron in insects?

The plastron is a series of hairs or bumps on the surface of an aquatic insect. The hairs and bumps are used to trap a thin layer of air against the body of the insect. As the insect breathes the oxygen the thin layer of air is prevented from shrinking due to the action of the hairs and bumps.

What is the function of plastron?

The gill (called a ‘plastron’) consists of a stationary layer of air held in place on the body surface by millions of tiny hairs that support a permanent air–water interface, so that the insect never has to renew the gas at the water’s surface.

Do all turtles have plastron?

All turtles have a shell. Each shell has a top, called a CARAPACE, and a bottom, called a PLAS- TRON. The shell is made up of large, hard scales called SCUTES.

Can a tortoise love?

Since tortoises are reptiles, they are not capable of feeling “love” as we humans understand it. However, tortoises do show signs of affection and appreciation for their owners. They follow their pet parents around, tolerate handling, eat directly from human hands, and come to us when they see us. What is this?

Where is a tortoise heart?

This method is limited because the liquid has the same opacity as soft tissues thus each structure inside the heart could not be differentiated and limitation for most species of reptiles is that in lizards the heart is covered by a bony pectoral girdle and in turtles the heart is hidden in the bony shell.

What is plastron in zoology?

(ˈplæstrən) n. (Zoology) the bony plate forming the ventral part of the shell of a tortoise or turtle.