The word "Entoplastra" is derived from Greek roots "entos" meaning inside, and "plastros" meaning plated. The spelling of this word is "ɛnˈtɒplæstrə" in IPA phonetic transcription. The first syllable "ɛn" is pronounced like "en" in "end". The stress falls on the second syllable "ˈtɒ" pronounced like "toe". The word ends with "plæstrə" with the "a" sound pronounced like "ah". Overall, the pronunciation of "Entoplastra" is a combination of short and long vowel sounds, making it an interesting word to pronounce.
Entoplastra is a term that is primarily used in the field of biology, specifically in zoology and paleontology. It refers to the plastron or ventral shell component of turtles and tortoises. The plastron is the lower part of the shell, consisting of a series of bony plates or shields that cover and protect the animal's belly and underbelly.
The term "entoplastra" specifically refers to the central pair of plastral bones, which form the anterior-most portion of the plastron. These bones are located near the midline of the turtle's belly and typically articulate with the carapace, or dorsal shell. In some species, especially those of the order Testudines, the entoplastra are separated from each other by a gap called the fontanelle, allowing for flexibility and expansion during movement, breathing, and reproduction.
Entoplastra are typically flat and broad bones, contributing to the overall shape and structure of the turtle's shell. They play a crucial role in the protection of vital organs, such as the heart, lungs, and liver. Moreover, they provide attachment sites for various muscles responsible for locomotion and other bodily functions.
In summary, the entoplastra are the central pair of bony plates forming the front portion of the plastron in turtles and tortoises, playing a vital role in the overall structure, protection, and functionality of their shell.
The term Entoplastra has a Greek etymology. It is derived from the Greek words entos meaning inner or within, and plastron meaning breastplate or plate.