WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

	Enter your search terms Submit search form
	Web www.wordnet-online.com

Definitions from WordNet

Definitions from the Web

Term: Indusium

Definition:

The indusium is a botanical term that refers to a protective covering or shield-like structure found in certain plants, particularly ferns. It can have various forms and functions depending on the plant species.

Senses and Usages:

1. Botany:

Part of plant anatomy: In ferns, the indusium is a thin membrane that covers and protects the sporangia (spore-producing structures) on the underside of the fronds.

Collective term: The indusium collectively refers to the protective coverings of all the sporangia on a fern frond.

Example sentence: The indusium helps to shield the sporangia from excessive light and evaporation.

2. Zoology:

Animal anatomy: In some invertebrate animals, such as certain snails and mollusks, the indusium is a specialized structure that protects the eggs or embryos.

Example sentence: The aquatic snail's indusium shields the developing eggs from potential predators.

Related Products:

Check out these fern-related products on Amazon:

• Fern Identification Guides
• Fern Gardening Books
• Fern Jewelry