"Sea Urchins" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
Somewhat flattened, globular echinoderms, having thin, brittle shells of calcareous plates. They are useful models for studying FERTILIZATION and EMBRYO DEVELOPMENT.
- Sea Urchins
- Sea Urchin
- Urchin, Sea
- Urchins, Sea
- Sand Dollar
- Sand Dollars
- Dollar, Sand
- Dollars, Sand
Below are MeSH descriptors whose meaning is more general than "Sea Urchins".
Below are MeSH descriptors whose meaning is more specific than "Sea Urchins".
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