Perinuclear is a word that refers to something located around the nucleus of a cell. Its spelling is pronounced [ˌpɛrɪˈnjuːkliər], which can be broken down into several phonetic symbols. The first symbol is a stress mark, indicating that the word is pronounced with emphasis on the second syllable. The next symbols, "p," "ɛ," "r," "ɪ," and "n," represent the individual sounds in the word. The final symbols, "j," "u," "ː," "k," "l," "i," and "ər," represent the remaining sounds, which together form the word's final pronunciation.
Perinuclear is an adjective that describes the location or positioning of something near or around the nucleus of a cell. The term is often used in the context of biological and cellular structures, particularly within the field of cell biology.
In a cell, the nucleus serves as the command center, containing the genetic material or DNA that determines the cell's characteristics and functionality. Anything that is located in close proximity to the nucleus can be described as perinuclear.
The term is commonly used to describe various structures and processes that occur around or near the nucleus. For example, perinuclear space refers to the narrow space that separates the nuclear membrane or envelope from the endoplasmic reticulum, a network of membranous tubules involved in protein synthesis and transport.
Perinuclear proteins or structures are those that are localized or concentrated in the region immediately surrounding the nucleus. This can include certain organelles, such as the Golgi apparatus, which is responsible for processing and packaging proteins for transport, or other specialized structures involved in cell division or signaling.
Understanding the perinuclear location of certain structures or molecules is crucial for studying cellular processes and understanding their functional significance. By examining these perinuclear structures and their interactions with the nucleus, researchers can gain insights into various biological phenomena, including DNA replication, protein trafficking, and cell division.
Surrounding a nucleus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "perinuclear" is derived from two components: "peri-" and "nuclear".
The prefix "peri-" comes from the Greek word "peri" meaning "around" or "surrounding". It is commonly used to indicate proximity or surrounding something.
The term "nuclear" is derived from the Latin word "nucleus", which means "kernel" or "core". In biology, it refers to the central part of a cell that contains genetic material (DNA) and is involved in various cellular functions.
When these two components are combined, "peri-" and "nuclear", the resulting term "perinuclear" refers to something that is located or exists around or near the nucleus of a cell.