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Chapter 5 Tissues
Tissues
| Question | Answer |
|---|---|
| What are the 4 major types of tissues? | Epithelial, connective, muscle, nervous |
| Where can you find most epithelial tissues? | Covering body surfaces and lining cavities |
| What is the underside of epithelial tissues connected to? | Connective tissue |
| Does epithelial tissue have blood vessels? | No, they are avascular |
| How often do epithelial tissues reproduce? | Rapidly |
| Describe how the epithelial tissue cells are arranged. | Tightly packed in sheets |
| What is the function of connective tissues? | Support |
| How does connective tissue protect against infections? | By using phagocytic cells and antibodies |
| Describes the arrangement of the cells in connective tissue. | Widely scattered with matrix between them |
| Can connective tissues cells reproduce? | Yes, they can reproduce |
| What is the difference between epithelial tissue and connective tissues? | Epithelial tissues cover and protect surfaces, connective tissues support and bind other tissues |
| What do connective tissue store? | Fat |
| Can connective tissue be flexible? | Yes, some types are flexible |
| What are the cells of muscle tissue called? | Muscle fibers |
| What are the two ways epithelial tissue is classified? | Number of cell layers and shape of cells |
| Give an example of where simple cuboidal epithelium tissue would be found. | In the kidney tubules |
| What is the function of microvilli? | Increase surface area for absorption |
| What does pseudo mean? | False |
| How many layers does pseudostratified columnar epithelium tissue have? | One layer |
| Where would you find pseudostratified columnar epithelium tissue? | In the urinary bladder |
| Why does pseudostratified columnar epithelium appear to have more than one layer? | Nuclei are at different levels |
| Where is stratified squamous epithelium found? | Surface of the skin |
| Where is stratified cuboidal epithelium found? | In the sweat glands |
| What is the function of stratified columnar epithelium tissue? | Protection and secretion |
| What is transitional Epithelium? | A tissue that can stretch and return to its original shape |
| How are exocrine glands classified? | By structure and method of secretion |
| What are the four basic functions of epithelial tissues? | Protection, Absorption, Secretion, Filtration |
| How do exocrine secretions make their way to the epithelial surface? | Through ducts |
| What are some examples of exocrine glands? | Sweat glands, Salivary glands, Pancreatic glands |
| What do endocrine glands secrete? | Hormones |
| What is the function of endocrine secretions? | To regulate body functions |
| What three components do all connective tissues share? | Cells, Fibers, Ground substance |
| What are the three major cell types of connective tissues? | Fibroblasts, Macrophages, Mast cells |
| How do fibroblasts help heal cuts? | By producing fibers and ground substance to form new tissue |
| What is the function of macrophages cells? | To engulf and digest bacteria and debris |
| What are the main two types of fibers for connective tissues? | Collagenous and Elastic |
| What are collagenous fibers made up of? | Collagen proteins |
| What is an example of connective tissue proper? | Adipose tissue |
| What are the two groups of Connective tissue proper? | Loose connective, Dense connective |
| What are the functions of Loose C.T proper? | Support, Binding of other tissues |
| What are the three types of loose C.T proper? | Areolar, Adipose, Reticular |
| What is the function of areolar tissue? | Support and binding of other tissues |
| What is the main function of Reticular tissue? | Support the framework of organs |
| What are the cells of bone called? | Osteocytes |
| What are the cells of Cartilage called? | Chondrocytes |
| What is cartilage surrounded by? | Perichondrium |
| What are the three types of cartilage? | Hyaline, fibrocartilage, elastic |
| Where is hyaline cartilage found? | In the nose and trachea |
| Where is elastic cartilage found? | In the external ear |
| Where is fibrocartilage found? | In the intervertebral discs |
| What are the specialized cells of Blood? | White Blood Cells |
| What are the three types of muscle tissue? | Skeletal, cardiac, smooth |
| Where is smooth muscle located? | In the walls of hollow organs |
| Fat storing tissue | Adipose tissue |
| Type of connective tissue in which cells are within lacunae and separated by a semisolid matrix. | Cartilage |
| Cartilage cells | Chondrocyte |
| One of the basic types of tissue that includes bone, cartilage, and loose and fibrous connective tissue | Connective tissue |
| Tissue that covers all free body surfaces | Epithelial tissue |
| Cells that produces fibers in connective tissues. | Fibroblast |
| Large phagocytic cells | Macrophage |
| Contractile tissue consisting of filaments of actin and myosin, which slide past each other. | Muscle tissue |
| Neurons and neuroglia | Nervous tissue |
| Specialized cell of the nervous system that produces myelin, communicates between cells and maintains the ionic environment. | Neuroglial cell |
| Nerve cell | Neuron |
| Mature bone cell | Osteocyte |
| Cylinder-shaped unit containing bone cells that surround an osteonic canal. | Osteon |
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