Histology Word Scramble
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Term | Description |
Epithelium | Tightly packed cells functioning as covering and lining tissues. Always found as a surface tissue |
Connective tissue | Few cells with lots of extracellular material; many functions. |
Muscle | Elongated cells specilized to shorten(contract) |
Nervous tissue | Wirelike cells specialized for conduction of electrical signals. Brain, spial cord, and nerves. |
Cell shape - SQUAMOUS | Flat |
Cell shape - CUBOIDAL | Cube |
Cell shape - COLUMNAR | Column |
Simple | One layer |
Stratified | Multiple layers |
Functions of epithelial tissues | Secretion, absorption, excretion, protection. |
Simple squamous epithelium | Single layer of flat cells. Forms the lining of cardiovascular system. It is the tissue always in contact with blood as it moves through the body. |
Simple cuboidal epithelium | Single layer of cubed cells. Lining of many glands of the body. Sometimes called glandular epithelium. |
Simple columnar epithelium | Single layer of tall columnar cells. Inner lining of digestive tract. Cilia covered surface lining the brochi of the lungs and the uterine tubes. |
Four basic types of connective tissue | Connective tissue proper(soft) - Cartilage(rubbery) - Bone(hard) - Blood(fluid) |
2 types of connective tissue proper | Fixed and Wandering |
Types of fixed cells | Fibrocytes and Adipose |
Fibrocytes are... | The main cell of connective tissue. Cells that produce extracellular fibers. |
Adipose cells are... | Cells specialized to store lipid energy reserves(FAT) |
Wandering cells are... | Body defense and repair cells of the white blood cell lineage. |
Interfibrillar substance | Water with various suspended molecules between the fibers. |
Collagen fibers | Very strong in tension, not strong in compression. |
Elastic fibers | String-like or sheet-like branched proteins, stretchy |
5 types of connective tissue proper | Loose collagenous connective tissue - Dense irregular collagenous connective tissue - Dense regular collagenous connective tissue - Elastic tissue - Adipose tissue(fat) |
Cartilage | Lack internal blood supply. Resists compression, not strong with tension. |
3 types of cartilage | Hyaline - Fibrocartilage - Elastic |
Which cartilage is the most common in the body? | Hyaline |
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