periostracum (Meaning)
Webster
periostracum (n.)
A chitinous membrane covering the exterior of many shells; -- called also epidermis.
Synonyms & Antonyms of periostracum
No Synonyms and anytonyms found
periostracum Sentence Examples
- The periostracum is a thin, protective layer covering the outer surface of the shell in mollusks.
- The periostracum primarily consists of chitin and proteins, known as conchiolin.
- It shields the shell from damage, prevents desiccation, and provides camouflage for the organism.
- The periostracum is often translucent, allowing the underlying shell colors to be visible.
- Mollusks can repair damaged areas of the periostracum through the secretion of new conchiolin.
- The periostracum is typically smooth in most species, but it can have ornamentation in some.
- In some mollusks, such as oysters, the periostracum can become thick and foliated, forming plates or spines.
- The periostracum plays a crucial role in the life cycle of mollusks, providing protection during the early development stages.
- The periostracum is often removed in preparation for consumption or as a part of commercial shell processing.
- Studying the periostracum can provide insights into the ecology, evolution, and taxonomy of mollusks.
FAQs About the word periostracum
A chitinous membrane covering the exterior of many shells; -- called also epidermis.
No synonyms found.
No antonyms found.
The periostracum is a thin, protective layer covering the outer surface of the shell in mollusks.
The periostracum primarily consists of chitin and proteins, known as conchiolin.
It shields the shell from damage, prevents desiccation, and provides camouflage for the organism.
The periostracum is often translucent, allowing the underlying shell colors to be visible.
