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oosphere

/oo-uh-sfeer/ noun · British & US
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What does oosphere mean?

The term oosphere refers specifically to the female gametangium or egg cell of certain plants, particularly ferns and other cryptogams. This cell plays a crucial role in the reproductive cycle of these plants, as it is fertilized by a sperm cell to form a zygote, which then develops into a new plant. Understanding the oosphere is essential for studying the life cycles and reproductive strategies of these plant species. The word is primarily used in botanical and scientific discussions, highlighting its specialized nature. The oosphere's unique function underscores the diversity and complexity of plant reproduction.

noun

The female gametangium or egg cell of certain plants, especially ferns and other cryptogams.

Senses
  1. The female gametangium or egg cell of certain plants.
  2. A large cell in the archegonium of plants like ferns.
Example

"The oosphere is fertilized by a sperm cell to form a zygote, which develops into a new plant."

More examples

"The oosphere is a critical component in the reproductive cycle of ferns."

"The fertilization of the oosphere leads to the development of a new sporophyte."

Plural oospheres

Used when referring to multiple egg cells or female gametangia.

Example

"The archegonium contains multiple oospheres, each capable of being fertilized."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymology of oosphere

The word oosphere originates from the Greek words 'oon', meaning egg, and 'sphaira', meaning sphere. This etymology reflects the cell's shape and function as an egg cell in certain plants. The term has been used in botanical contexts to describe the female gametangium of plants like ferns.

How oosphere is actually used

Typically used in botanical and scientific contexts, especially in reference to plant reproduction.

What's another word for oosphere?

Rhymes with oosphere