Secretory

Secretory is a term used in biology and medicine to describe the process of secretion, where cells release substances into the extracellular environment. This process is essential for the functioning of many biological systems, including the endocrine system, the digestive system, and the immune system.

Overview

Secretory cells are specialized cells that produce and release substances such as hormones, enzymes, and mucus. These substances are typically stored in secretory vesicles and are released from the cell through a process known as exocytosis. The substances secreted by these cells play a crucial role in many biological processes, including digestion, immune response, and hormone regulation.

Secretory Systems

Endocrine System

In the endocrine system, secretory cells produce and release hormones into the bloodstream. These hormones act as chemical messengers, regulating various bodily functions such as metabolism, growth, and reproduction.

Digestive System

In the digestive system, secretory cells produce and release enzymes and other substances necessary for the digestion of food. These substances are released into the digestive tract, where they break down food into nutrients that can be absorbed by the body.

Immune System

In the immune system, secretory cells produce and release substances such as antibodies and cytokines. These substances play a crucial role in the body's defense against pathogens.

See Also

• Exocytosis
• Endocrine system
• Digestive system
• Immune system

Secretory Resources
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