Cisterna

Golgi apparatus (editors version)

Cisterna refers to a closed, hollow, or pouch-like storage or cavity found in both biological and architectural contexts. In biology, a cisterna is a flattened membrane disk of the endoplasmic reticulum and Golgi apparatus, playing a crucial role in the synthesis, folding, modification, and transport of proteins and lipids. Architecturally, a cisterna (plural: cisternae) is a waterproof receptacle for holding liquids, typically water, often built to catch and store rainwater.

Biology[edit | edit source]

In the realm of cell biology, cisternae are significant components of the cell's machinery. The endoplasmic reticulum (ER) contains cisternae that are involved in the synthesis of proteins and lipids. These proteins and lipids are then transported to the Golgi apparatus, another organelle composed of cisternae, where they are further modified, sorted, and packaged for transport to their final destinations, including secretion or incorporation into the cell membrane.

The structure of cisternae in the Golgi apparatus is particularly noteworthy. They are typically stacked like pancakes, with vesicles budding off from the edges. These vesicles transport materials between the cisternae stacks or from the Golgi to other parts of the cell. The process of vesicle budding and fusion is critical for the proper function and maintenance of the cell's internal environment and its communication with the external environment.

Architecture[edit | edit source]

In architecture, a cisterna is designed to collect and store rainwater. Historically, cisternae were essential in regions with limited access to fresh water sources. They can be found in various forms, from underground pits to large, ornate structures above ground. The construction and maintenance of cisternae have been a critical aspect of human settlements, particularly in arid and semi-arid regions where rainwater harvesting is a vital practice for sustainability.

Cisternae in architecture are often lined with materials like brick, stone, or concrete to prevent leaks and contamination of the stored water. The design and construction of these structures take into consideration factors such as catchment area, evaporation, infiltration, and water demand to ensure an adequate and safe water supply.

See Also[edit | edit source]

Cisterna Resources
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