Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
A goblet cell is a unicellular exocrine gland that secretes mucus.

검증된 단계별 안내

Step 1: Understand the definition of a goblet cell. Goblet cells are specialized unicellular exocrine glands found in epithelial tissues, particularly in the respiratory and digestive tracts. Their primary function is to secrete mucus.

Step 2: Analyze the statement provided: 'A goblet cell is a unicellular exocrine gland that secretes mucus.' Compare this statement to the definition of goblet cells.

Step 3: Determine whether the statement is true or false based on the comparison. Since goblet cells are indeed unicellular exocrine glands that secrete mucus, the statement is true.

Step 4: If the statement were false, identify the incorrect part and correct it. For example, if the statement incorrectly described goblet cells as multicellular or as secreting a substance other than mucus, you would revise it to align with the correct definition.

Step 5: Conclude that the statement is true and does not require correction, as it accurately describes the function and classification of goblet cells.

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주요 개념

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Goblet Cells

Goblet cells are specialized epithelial cells found in various mucosal tissues, primarily responsible for the secretion of mucus. They are classified as unicellular exocrine glands, meaning they release their secretions directly onto the epithelial surface rather than through ducts. This mucus plays a crucial role in protecting and lubricating the surfaces of organs, particularly in the respiratory and gastrointestinal tracts.

Exocrine Glands

Exocrine glands are glands that secrete their products through ducts to the outside of the body or into the lumen of an organ. Unlike endocrine glands, which release hormones directly into the bloodstream, exocrine glands produce substances such as enzymes, sweat, saliva, and mucus. Understanding the function and structure of exocrine glands is essential for recognizing how goblet cells fit into the broader category of glandular tissues.

Mucus Function

Mucus is a viscous fluid produced by goblet cells and other mucous membranes, serving several vital functions in the body. It acts as a protective barrier, trapping pathogens and particles, and facilitates the movement of materials through the digestive tract. Additionally, mucus helps to keep surfaces moist, which is essential for the proper functioning of respiratory and digestive systems.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.A goblet cell is a unicellular exocrine gland that secretes mucus.