What is 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 do you mean by carapace and 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.
What is a plastron in turtles?
The ventral shield or shell of tortoises and turtles. The plastron covers the underside of a sea turtle.
How do you pronounce carapaces?
- Phonetic spelling of carapace. kar-uh-peys. cara-pace.
- Meanings for carapace. hard outer covering or case of certain organisms such as arthropods and turtles.
- Examples of in a sentence. Long, slightly flattened and with the rostrum or beak, in front of the carapace, very short.
- Translations of carapace. Arabic : درع
What connects carapace and plastron?
These are joined by an area called the bridge. The actual suture between the bridge and the plastron is called the anterior bridge strut. In Pleurodires the posterior pelvis is also part of the carapace, fully fused with it.
What does plastron mean in English?
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.
Does a turtle have carapace?
A 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.
What is the pronunciation of Chitinous?
Break ‘chitinous’ down into sounds: [KY] + [TI] + [NUHS] – say it out loud and exaggerate the sounds until you can consistently produce them. Record yourself saying ‘chitinous’ in full sentences, then watch yourself and listen.
What is a saddleback shell?
Saddlebacks, with flatter shells, also wave their legs, but are thought to use their neck to push against the ground to give them momentum to turn over. The domed shells are more rounded, while the saddlebacks are flatter.
What does carapace mean in zoology?
A carapace is a dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises. In turtles and tortoises, the underside is called the plastron.
What is a plastron biology?
(Science: anatomy) The ventral shield or shell of tortoises and turtles.
Which is the correct definition of the word plastron?
plastron (plural plastrons) The nearly flat part of the shell structure of a tortoise or other animal, similar in composition to the carapace. (fencing) A half-jacket worn under the jacket for padding or for safety. A man’s shirt-bosom. An ornamental front panel on a woman’s bodice. A breastplate.
How did the plastron breast plate get its name?
English speakers first borrowed French’s word for a breastplate, plastron, as the name for the protective plate worn under a tunic of [chain mail](/dictionary/chain mail) by knights.
Where does the name plastron come from in fencing?
A fencing plastron. From French plastron, from Italian piastrone, augmentive of piastra (“breastplate”), from Latin emplastrum (“plaster”), from Ancient Greek εμπλαστρον (emplastron), from εμπλαστος (emplastos, “daubed, plastered”), from εμπλασσειν (emplassein, “to mould, form”).
How does the plastron of a diving beetle work?
The plastron of a diving beetle is not directly a source of oxygen, but acts as a gill, acquiring oxygen from the surrounding water. Total independence of atmospheric air is possible only if insects have a permanent gas store or incompressible gas gill, called a plastron. Unlike compressible gas stores, the volume of a plastron remains constant…