The "premiotic phase" in cell division is spelled with the IPA phonetic transcription [priːmaiɒtɪk feɪz]. The "pre" in premiotic is pronounced with a long "e" sound and the "miotic" is pronounced with a short "i" sound. The overall pronunciation is "pree-mee-ah-tik faze". In this phase, a cell undergoes meiosis, a type of cell division that produces four non-identical daughter cells, each with half the number of chromosomes as the parent cell. This is an important process for sexual reproduction in organisms.
The term "premiotic phase" refers to a specific stage or period in the lifecycle of a cell or organism before it enters the process of meiosis, which is a specialized form of cell division that occurs in sexually reproducing organisms. The premiotic phase serves as a preparatory stage for meiosis, encompassing a series of events and changes that are essential for the successful progression of this divisional process.
During the premiotic phase, cells undergo various activities and modifications that include DNA replication, cell growth, and the formation of structures crucial for meiotic division, such as synaptonemal complexes and homologous chromosome pairings. It is during this phase that the genetic material of the cells, in the form of chromosomes, duplicates itself to ensure accurate distribution of genetic information to offspring.
The length of the premiotic phase can differ depending on the species and the context in which it occurs. In some organisms, such as mammals, this phase can be relatively long and complex due to the intricate nature of meiosis. Additionally, the premiotic phase is often characterized by distinct molecular and cellular events that are regulated by specific genes and signaling pathways.
Overall, the premiotic phase plays a fundamental role in the process of meiosis, as it sets the stage for successful chromosome segregation and subsequent generation of genetically varied gametes or cells with reduced genetic content, necessary for sexual reproduction.
See premiotic.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "premiotic" is derived from the combination of two roots: "pre-" and "miotic".
The prefix "pre-" comes from the Latin word "prae", which means "before" or "prior to". It is commonly used in English to indicate something that occurs before, in advance, or earlier than something else.
The term "miotic" refers to the process of cell division called "mitosis". In biology, mitosis is the process by which a cell divides into two daughter cells, each having the same number of chromosomes as the parent cell.
Therefore, when we combine "pre-" (before) with "miotic" (cell division), we create the term "premiotic". In the context of biology, the "premiotic phase" refers to the stage or period before cell division occurs, typically referencing the preparatory steps or events leading up to mitosis.