How Do You Spell METANUCLEUS?

1. A metanucleus, commonly referred to as a micronucleus, is a minute, spherical, or ovoid nucleus found in certain organisms, particularly certain ciliates and protozoans. It is distinct from the main nucleus of the cell, known as the macronucleus, and serves specific functions within the organism's life cycle.

   The metanucleus is often involved in the process of sexual reproduction, where genetic material is exchanged between organisms. It contains a condensed set of chromosomes and is responsible for the transmission of genetic information from one generation to the next. During conjugation, two individuals come together, and their metanuclei undergo meiosis, resulting in the exchange and recombination of genetic material.

   Apart from its role in sexual reproduction, the metanucleus is also involved in the regeneration and repair of damaged cells. When the organism encounters unfavorable conditions or experiences injury, some of its cells can differentiate and form new micronuclei, aiding in the recovery process. These micronuclei are capable of generating new cells that can replace damaged or lost tissue, contributing to the organism's survival and adaptation.

   In summary, the metanucleus, or micronucleus, is a small, specialized nucleus found in certain organisms, primarily involved in sexual reproduction and cellular regeneration. It functions to preserve and transmit genetic information across generations and plays a crucial role in the survival and adaptability of these organisms.

2. The nucleus of the impregnated ovum after leaving the germinal vesicle.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for METANUCLEUS

The word "metanucleus" is derived from two components: "meta-" and "nucleus".

1. "Meta-" is a prefix that originates from Ancient Greek. It conveys the meaning of "after" or "beyond". In this context, it suggests something that comes after or is more advanced than the usual (in this case, the nucleus).

2. "Nucleus" is a Latin word meaning "kernel" or "core". It is commonly used in biology to refer to the central part of a cell that contains the genetic material.

Therefore, combining the two components, "metanucleus" refers to a nucleus that comes after or is more advanced than the usual nucleus in a cell. It is a term used within the field of biology to describe a specific type of nucleus.