The Swedish word "medicisterna" is spelled /mɛdiːsɪstɛɳa/ in IPA phonetic transcription. This word is the plural of "medicistern" which refers to a medical student in their final clinical year of education. The spelling of this word follows the rules of Swedish orthography, where "medici" is spelled "medici" and "stern" is spelled "stern". The letter "a" at the end of the word indicates that it is a plural form. Overall, "medicisterna" is a specific term used in the medical field in Sweden.
Medicisterna is a term of Latin origin that refers to a specific region of the human body, namely the "cisternae" or reservoirs within the endoplasmic reticulum of a cell that are involved in the synthesis, modification, and transport of proteins.
In cellular biology, the endoplasmic reticulum is a complex network of membranous structures found in eukaryotic cells. It plays a crucial role in the production, folding, and transportation of proteins, as well as lipid metabolism. The structure of the endoplasmic reticulum consists of interconnected tubules and flattened sacs called cisternae, which vary in size and shape.
Within this intricate network, the term "medicisterna" specifically denotes the cisternae responsible for the synthesis and processing of proteins within the cell. These cisternae serve as reservoirs or storage compartments for the proteins before they are transported to other destinations within or outside the cell. They are involved in various processes, including the addition of sugar molecules (glycosylation) to proteins, the folding of newly synthesized proteins, and the quality control of misfolded or abnormal proteins.
The term "medicisterna" emphasizes the critical role of these particular cisternae in maintaining cellular homeostasis and ensuring proper protein function. In essence, they provide a crucial environment for the intricate processes that facilitate protein synthesis and modification within an endoplasmic reticulum, ultimately contributing to the overall functionality and health of the cell.
Cisterna ambiens.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.