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Connective Tissue
Connective tissue is a type of tissue that supports, protects, and gives structu
| Question | Answer |
|---|---|
| What type of tissue connects and protects other tissues? | Connective tissue. |
| What is the embryonic origin of connective tissue derived from the mesoderm? | Mesenchymal tissue. |
| What non-cellular component provides structural support in tissues? | Extracellular matrix. |
| What is the most common cell type in connective tissue proper? | Fibroblast |
| What is the quiescent form of a fibroblast that is smaller and spindle-shaped? | Fibrocyte |
| Which phagocytic cell is derived from blood monocytes? | Macrophage |
| What are white blood cells involved in immune responses called? | Leukocytes |
| Which secretory cell mediates immune responses and is located near blood vessels? | Mast cell. |
| What amorphous component of the extracellular matrix supports cells? | Ground substance. |
| What type of white blood cells have segmented nuclei, such as neutrophils? | Polymorphonuclear cells. |
| What type of white blood cells have a single nucleus, such as lymphocytes? | Mononuclear cells. |
| What term describes the migration of leukocytes through capillary walls? | Diapedesis |
| Which cells display foreign antigens to T cells? | Antigen-presenting cells. |
| What are proteins secreted by cells for immune signaling called? | Cytokines |
| What chemical mediator is released during immune responses? | Histamine |
| What are carbohydrate-rich molecules found in connective tissue called? | Proteoglycans |
| What term refers to the maintenance of stable internal conditions in tissues? | Homeostasis |
| What term describes the monitoring for pathogens and foreign materials by the immune system? | Immune surveillance. |
| What is programmed cell death occurring in transient leukocytes called? | Apoptosis |
| Which organelles contain enzymes for digestion within cells? | Lysosomes |
| What type of connective tissue provides cushioning and fills areas between organs? | Loose connective tissue |
| What type of connective tissue provides strong connections between organs? | Dense connective tissue |
| What is the primary function of cartilage in connective tissue? | To provide cushioning and flexible support |
| What is the primary function of bone in connective tissue? | To provide rigid support and protection |
| What role does adipose tissue play in the body? | It stores energy, regulates temperature, and contributes to endocrine regulation |
| What is the function of fluid connective tissues like blood and lymph? | They transport oxygen, nutrients, and waste, and protect the body with immune responses |
| Which protein fibers in connective tissue allow stretching and bending? | Elastic fibers, made from elastin |
| What type of fibers provides strength and rigidity to connective tissues? | Collagen fibers, predominantly made of collagen type I |
| What type of fibers form delicate networks in organs such as the spleen and lymph nodes? | Reticular fibers, made from collagen type III |
| What components make up the ground substance in connective tissue? | Water, proteoglycans, glycoproteins, and glycosaminoglycans |
| From which embryonic germ layer does mesenchyme originate? | The mesoderm |
| What is granulation tissue in connective tissue responsible for during wound healing? | Forming new vascularized connective tissue at the site of healing |
| Where is mucous connective tissue known as Wharton's jelly found? | Inside the umbilical cord before birth |
| Where is loose connective tissue found, and what is its function? | Found around blood vessels and between organs, it anchors epithelia and provides flexibility and support |
| Where is dense regular connective tissue located, and what is its role? | Found in tendons and ligaments, it provides strong unidirectional resistance to stress |
| Where is dense irregular connective tissue located, and what is its function? | Found in the dermis of the skin, organ capsules, and gland walls, it resists distension in all directions |
| Where is cartilage located in the body, and what is its purpose? | Found in joints, ears, intervertebral discs, and fetal bones; it provides cushioning and flexible support |
| Where is bone tissue found, and what is its primary function? | Found in the skeleton; it provides rigid support, protection, and a reservoir for calcium |
| Where is adipose tissue located, and what are its functions? | Found under the skin and around organs like kidneys; it stores energy, cushions organs, insulates against heat loss, and acts as an endocrine organ |
| Where are elastic fibers found, and what do they do? | Located in large blood vessel walls and certain ligaments (e.g., ligamenta flava); they allow tissues to stretch and recoil |
| Where is reticular connective tissue found, and what is its role? | Found in lymphatic organs like the spleen; it provides structural support for parenchyma |
| Where is blood located in the body, and what functions does it serve? | Circulates through blood vessels; it transports nutrients, waste products, oxygen, immune cells, and chemical messengers |
| What is lymph's role as connective tissue? | It transports immune cells and waste products while maintaining fluid homeostasis |
| Where is the perichondrium located, and what does it do? | Surrounds cartilage; it supplies nutrients to avascular cartilage cells |
| Where is articular cartilage found, and why is it important? | Found at joint surfaces; it reduces friction during movement |
| What are common locations of hyaline cartilage in the body? | Found in the nose, trachea, rib cage, and joints; it provides smooth surfaces for movement |
| Where is elastic cartilage found? | Located in the ears and epiglottis; it offers flexibility while maintaining shape |
| What is primary bone? | immature bone with random collagen organization. |
| What is secondary bone? | Mature bone with organized lamellar structure. |
Created by:
tunbridgeerin
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