Pronunciation: [kˈɔ͡ɪl ɡlˈand] (IPA) 
The correct spelling of the word "coil gland" is /kɔɪl ɡlænd/. The first part of the word, "coil," is pronounced with a diphthong sound /ɔɪ/ and spelled with the letters "oi." The second part of the word, "gland," is pronounced with a short "a" sound /æ/ and spelled with the letters "a" and "nd." A coil gland is a type of sealing gland used in electrical cables or wire harnesses to protect against dust, dirt, and moisture.
A coil gland refers to a specialized gland found in various organisms, particularly in certain reptiles and birds. It is responsible for producing and secreting a unique substance known as the "coiling fluid." The coil gland is typically located in the cloaca or vent, which is a common chamber for the release of waste products and reproductive functions.
The function of the coil gland is primarily related to reproduction and sexual behavior. During courtship, mating, or territorial displays, the secretion from the coil gland is expelled and forms a distinctive filament-like structure, commonly referred to as a "coil." This coil serves various purposes, such as indicating reproductive readiness or attracting potential mates.
The secretion from the coil gland contains a mixture of proteins, lipids, and other components that give it its unique texture and smell. These secretions are specifically designed to be durable and water-resistant, allowing them to remain functional even in aquatic environments. The coil, formed by the expelled fluid, is often colorful and visually striking, enhancing its role in attracting mates or intimidating rivals.
The coil gland is a notable adaptation found in certain reptiles and birds, particularly those species that engage in elaborate courtship rituals or display extravagant breeding behaviors. It illustrates the diverse evolutionary strategies organisms employ to ensure successful reproduction and propagation of their species.
A sweat gland, glandula glomiformis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
