ENTOSTHOBLAST Meaning and
Definition
-
Entosthoblast (noun):
An entosthoblast refers to a specialized cell or group of cells found within the inner layer of certain multicellular animals. Derived from the Greek words "entos" which means "inside" and "stobla" which means "to spread," an entosthoblast is responsible for selectively depositing mineralized substances, such as calcium carbonate or silica, in order to form a protective structure or skeletal elements.
Entosthoblasts are commonly found in various invertebrate phyla including Porifera (sponges), Cnidaria (corals, jellyfish), and Mollusca (snails, clams). These cells play a crucial role in the growth, maintenance, and support of the organism by secreting and assembling structural components of their respective skeletons.
In sponges, for example, entosthoblasts are responsible for depositing spicules, which are small needle-like structures made of calcium carbonate or silica. These spicules provide structural support and protect the sponge's soft tissues from external forces. In coral polyps, entosthoblasts are responsible for forming the stony calcium carbonate skeletons that make up coral reefs.
Overall, entosthoblasts represent a vital component of the cellular systems in various organisms, enabling them to create and maintain skeletal structures that provide protection, support, and structural integrity.
-
Entoblast; the hypothetical nucleus of the nucleolus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ENTOSTHOBLAST
- wntosthoblast
- sntosthoblast
- dntosthoblast
- rntosthoblast
- 4ntosthoblast
- 3ntosthoblast
- ebtosthoblast
- emtosthoblast
- ejtosthoblast
- ehtosthoblast
- enrosthoblast
- enfosthoblast
- engosthoblast
- enyosthoblast
- en6osthoblast
- en5osthoblast
- entisthoblast
- entksthoblast
- entlsthoblast
Etymology of ENTOSTHOBLAST
The word "Entosthoblast" is a scientific term used in the field of zoology and anatomy to refer to a cell layer that produces endoskeletons in certain invertebrate animals. The term is derived from two Greek roots:
1. "Ento-" is derived from the Greek word "entos" (έντος), which means "inside" or "within".
2. "Sthoblast" is derived from the Greek word "stoblastēs" (στοβλαστής), which means "germ" or "bud".
Therefore, when combined, "Entosthoblast" can be understood as a term that describes a cellular layer inside a particular organism that is responsible for the production of endoskeletons.
