"Prokaryotes" Natural Recordings by Native Speakers
A type of microorganism that lacks a cell nucleus and other membrane-bound organelles, such as mitochondria. These cells have a single circular chromosome and lack a true nucleus, and their DNA is not separated from the rest of the cell by a membrane. Examples of prokaryotes include bacteria and archaea.
Proke is a rare word in English and it has two possible meanings.<br><br>1. A proke is a cant term in some English trucking companies for a truck, especially a hgv vehicle.<br>2. In Church of England, proke and episkope (also spelled episcopy) can refer to a deacon who is licensed to serve local churches or a group of churches.
Prolactin is a hormone produced by the pituitary gland that plays a crucial role in breast development and milk production in women and offspring survival in mammals, including humans. It is often referred to as the "lactation hormone." <br><br>In females, prolactin:<br><br>1. Prepares the breast tissue for milk production during pregnancy: <br>2. Initiates milk production during lactation <br>3. Maintains milk production during lactation <br>4. Aids in the secretion of milk from the mammary glands<br><br>In both males and females, prolactin is involved in a range of physiological processes, including:<br><br>1. Regulating immune responses and inflammation<br>2. Controlling appetite and metabolism<br>3. Regulating sleep-wake cycles<br>4. Aiding in the body's response to stress<br><br>An imbalance of prolactin can lead to various issues, including:<br><br>1. Prolactinomas: benign tumors of the pituitary gland that cause an overproduction of prolactin, leading to excessive milk production (galactorrhea)<br>2. Hypopituitarism: decreased production of prolactin and other hormones, often due to pituitary gland damage.<br>3. Increased risks for autoimmune disorders, like rheumatoid arthritis and thyroid disorders<br><br>A healthcare professional, particularly an endocrinologist, can help manage prolactin-related issues and provide guidance on prolactin tests and the best treatment options.