Sweat glands are multicellular. Unlike unicellular glands, such as goblet cells found in the intestines, sweat glands are composed of many cells working together to produce and secrete sweat. This is consistent across various sources detailing the structure and function of exocrine glands.
Understanding Glandular Structure
Glands, which produce and secrete substances, can be classified based on their cellular composition:
- Unicellular Glands: These glands consist of a single cell, like goblet cells that secrete mucus.
- Multicellular Glands: These glands are composed of multiple cells organized into a functional unit, working together to produce and secrete a substance. Sweat glands fall into this category. Examples of other multicellular glands include salivary glands and mammary glands.
Multiple sources confirm that sweat glands are a type of multicellular exocrine gland. They have a complex structure with various cell types contributing to sweat production and secretion. The duct system of multicellular glands, such as sweat glands, further distinguishes them from unicellular glands which lack such a complex system. The structure of sweat glands supports their multicellular nature, with multiple cell types working in coordination.
The provided text mentions that salivary glands and sweat glands are examples of multicellular glands. This statement, corroborated by multiple reputable sources, reinforces the conclusion that sweat glands are multicellular.