Anatropous is a term used to describe the orientation of an ovule or a seed. It is a botanical term that is used to describe the position of the ovule or seed in the ovary. The term anatropous comes from the Greek words “ana” which means “back” and “tropos” which means “turning”. In this article, we will delve into the definition, origin, meaning in different dictionaries, associations, synonyms, antonyms, same root words, and example sentences of anatropous.
Definitions
Anatropous is a term used in botany to describe the orientation of an ovule or a seed. It refers to the ovule or seed that is inverted, with the micropyle at the base and the chalaza at the apex. The ovule or seed is also curved, with the embryo sac or endosperm bent back towards the stalk.
Origin
The term anatropous originated from the Greek words “ana” which means “back” and “tropos” which means “turning”. The term was first used in the mid-19th century to describe the orientation of the ovule or seed.
Meaning in different dictionaries
- Merriam-Webster: of an ovule or seed : inverted and turned back so that the micropyle is near the base.
- Oxford Dictionary: (of an ovule) inverted, so that the micropyle is close to the base.
- Dictionary.com: (of an ovule) inverted, so that the micropyle is close to the base.
Associations
Anatropous is associated with the position and orientation of the ovule or seed in the ovary. It is also associated with the fertilization process and the development of the embryo and endosperm.
Synonyms
- Inverted.
- Upside-down.
- Reversed.
Antonyms
- Orthotropous.
- Campylotropous.
- Amphitropous.
The same root words
- Tropos: Turning or direction.
- Ana: Back or again.
Example Sentences
- The anatropous ovule is common in many plants.
- The anatropous seed is important for the fertilization process.
- The anatropous orientation of the ovule affects the development of the embryo and endosperm.
- The anatropous position of the seed affects its germination and growth.