The reticular layer is the deeper layer of the dermis, responsible for providing support and structure to the skin. Its spelling can be explained through the use of phonetic transcription in the International Phonetic Alphabet (IPA). The word "reticular" is pronounced as "rɪˈtɪkjʊlər," with the stressed syllable being "ti." The combination of "t" and "i" creates a "sh" sound, which is followed by a "kyu" sound created by the "kj" combination. Finally, the word ends with a neutral vowel sound, "ə."
The reticular layer refers to the deeper layer of the dermis, the second layer of the skin. It is located beneath the papillary layer and above the hypodermis (subcutaneous tissue). Composed mainly of dense irregular connective tissue, the reticular layer is responsible for providing structural support and strength to the skin.
The reticular layer gets its name from the network of collagen and elastin fibers that are present throughout its composition. These fibers are arranged in a mesh-like pattern, giving the layer its reticular appearance. This structural arrangement helps the skin resist tearing and deformation, making it highly durable and resilient.
Additionally, the reticular layer contains numerous blood vessels, nerves, sweat glands, and hair follicles. These structures play roles in temperature regulation, sensation, and maintaining overall skin health.
Furthermore, the reticular layer houses specialized cells called fibroblasts, which are responsible for producing and maintaining the extracellular matrix of the dermis. This matrix includes proteins like collagen and elastin, which contribute to the skin's elasticity and strength.
In summary, the reticular layer is the deeper layer of the dermis, consisting of dense irregular connective tissue arranged in a network-like pattern. It provides structural support, houses various structures, and is vital for the overall integrity and function of the skin.
• The deeper layer of the corium, tunica propria.
• Pars reticularis, the inner layer of the corium, composed of connective-tissue bundles.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "reticular" comes from the Latin term "reticulum", meaning a small net. The term is derived from the Latin word "rete", meaning a net or web. "Layer" is of Germanic origin and has its roots in the Old English word "laegere", which means a bed or mattress. When combined, "reticular layer" refers to a net-like or web-like layer, typically used to describe a specific layer within an organ or tissue structure.