Questions and Answers
What type of protein fiber, commonly found in the extracellular matrix, is extensible?
What type of secretion involves the release of substances, such as saliva and sweat, in secretory vesicles by exocytosis?
Connective tissues proper produce collagen fibers using cells known as:
Fibroblasts
Which of the following is NOT a type of connective tissue proper?
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What statement best describes dense regular collagenous connective tissue?
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Which of the following is NOT a location of reticular tissue?
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The major energy reserve in the body is found stored as fat in:
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Immature cells that actively divide by mitosis and create most of the ECM of cartilage are:
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Which of the following is constructed of elastic cartilage?
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Seventy-year-old Jerry should NOT expect regeneration of worn, damaged:
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A serous membrane contains a superficial layer of epithelial tissue and a deeper layer of connective tissue. Thus, serous membranes are classified as:
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A patient is diagnosed with mesothelioma. This cancer affects the:
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Which of the following is the inner part of a serous membrane that covers the lungs?
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Synovial membranes:
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What type of membrane lines cavities that open to the outside of the body?
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The three types of connective tissue include:
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________ is the fluid component of all connective tissues.
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Cells that store fat are called:
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The framework or stroma of organs such as the spleen, liver, and lymph nodes is made up of ________ tissue.
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The three types of protein fibers in connective tissue are:
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Study Notes
Connective Tissues and Membranes Overview
- Elastic fibers in connective tissue allow for extensibility, providing flexibility and resilience.
- Merocrine secretion involves substances released through exocytosis, such as saliva and sweat.
Types and Functions of Cells in Connection
- Fibroblasts are key cells in connective tissue proper, responsible for producing collagen fibers.
- Immature chondroblasts actively divide and create the extracellular matrix (ECM) in cartilage.
Classification of Connective Tissues
- Connective tissues proper include areolar, adipose, and dense regular connective tissues, but do not include hyaline cartilage.
- Three primary categories of connective tissue: proper connective tissue, fluid connective tissue, and supporting connective tissue.
Characteristics of Specific Connective Tissues
- Dense regular collagenous connective tissue is crucial for forming tendons and ligaments, characterized by parallel collagen fiber bundles.
- Reticular tissue is found in lymph nodes, bone marrow, and the spleen, but not tendons.
Energy Storage and Aging
- Adipose tissue serves as the body's main energy reserve by storing fats.
- Cartilage has limited regenerative ability, especially in the elderly.
Membranes in the Body
- Serous membranes consist of epithelial and deeper connective tissue layers, classified as organs.
- Mesothelioma affects serous membranes, indicating a form of cancer impacting this tissue type.
Distinctions Between Membrane Types
- The visceral pleura is the inner layer of a serous membrane covering the lungs.
- Synovial membranes line cavities of freely movable joints, facilitating joint movement.
- Mucous membranes line cavities that open to the external environment.
Structural Components of Connective Tissues
- Ground substance is the fluid component found in all connective tissues.
- Three main protein fibers found in connective tissue include collagen, reticular, and elastic fibers.
Specialized Cells in Connective Tissue
- Adipocytes are specialized cells that store fat, contributing to energy storage and insulation.
- Reticular connective tissue forms the stroma of organs like the spleen and liver, providing structural support.
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Test your knowledge on connective tissues and membranes with these flashcards. Each card presents a question about key concepts, such as protein fibers and types of secretion. Perfect for students and anyone interested in biology!
