Histology

6 Written Questions

1. Skeletal
   Smooth
   Cardiac
2. 
   -Primarily composed of parallel collagen fibers; a few elastin fibers are present
   -Cell type: fibroblast
   -Located in tendons, most ligaments, and aponeuroses (sheet like structures).
   -Attach muscles to bones or to other muscles; attach bones to bones.
3. 
   Single layer of cubelike cells with large, spherical, central nuclei; may exhibit microvilli
   -Kidney tubules, small ducts and secretory portions of glands, thyroid, overy surface
   -Function: Secretion, absorption
4. Dermal papilla, sebaceous gland, eccrine sudoriferous gland
5. ...
6. 
   - Be able to identify; Fibroblasts, collagenfiber, elastic fibers
   - Gel-like matrix with all three fiber types present
   -Widely distributed, especially under epithelia e.g. the lamina propria of mucous membranes. All epithelia have areolar tissue

6 Multiple Choice Questions

1. 
   - Single layer of flattened cells, disk shapedcentral nuclei, sparse cytoplasm
   -Located in air sacs of lungs, kidney glomeruli, lining of heart, blood vessels, lymphatic vessels, seosal membrans
   -Allows passage of material by diffusion and filtration where protection is not important, secretes lubricating substances in erosal membrane
   1. Simple Squamous Epithelium
   2. Simple Cuboidal Epithelium
   3. Transitional Epithelium
   4. Simple columnar Epithelium
2. Simple Squamous
   Simple Cuboial
   Simple olumnar (with Goblett Cells)
   Pseudostratified
   Keratinized Stratified Squamous
   Nonkeratinied stratified squamous
   Transition
   1. Connective Tissues
   2. Muscle Tissue
   3. Epithelial Tissues
   4. Nervous Tissue
3. Human plantar skin
   Know - (epidermis, stratum asal, stratum spinosum, stratum granulosum, stratumcorneum, dermis, papillary layer, reticular layer
   1. Muscle Tissue
   2. Nervous Tissue
   3. Intergumentarysystem
   4. Connective Tissues
4. 
   -Be able to identify chondrocyte, perichondrium
   -Cartilages are normally set apartfrom other tissues by a perichondrium (but may not be present).
   -Cells: chondroblasts/ chondrocytes within cavities called lacumae (little lakes)
   -Forms the embryonic skeleton, covers the ends of long bones in joint cavities; forms the cartilages f the ribs (costal), nose, trachea, and larynx
   - Supports and reinforces, coshions; resists compressive stress
   1. Dense Regular Connective Tissue
   2. Reticular Connective Tissue
   3. Hyaline Cartilage Connective Tissue
   4. Areolar Connective Tissue
5. 
   -Modified simple columnar epithelium; cells and nuclei appear at different heights; may contain goblet cells or possess cilia
   -Ciliated type: found in the trachea and upper respiratory tract (this is often referred to as "respiratory epithelium")
   - Nonciliated type: in the ducts of large glands and parts of the male urethra
   -Function for scretion, particularly mucus; propulsion of mucus (in ciliated type)
   1. Transitional Epithelium
   2. Pseudostratified (ciliated) Epithelium
   3. Simple Squamous Epithelium
   4. Simple columnar Epithelium
6. 
   -Network of reticular fibers (collagen III) in a typical loose ground substance
   -Reticular cells (fibroblasts that secrete reticular fibers) predominate.
   -Located in the liver, lymph nodes, bone, and spleeen
   -Fibes fom a soft, internal skeleton that supports other cell types
   1. Dense Regular Connective Tissue
   2. Areolar Connective Tissue
   3. Reticular Connective Tissue
   4. Adipose Connective Tissue

6 True/False Questions

1. Connective Tissues → -Areolar (Fibroblasts, Collagen fiber, elatic fiber)
   -Adipose (adipocytes) Fatcells, insulates, storage, cushions
   -Reticular (has reticular fipers going throughout)
   -Dense Regular CT
   -Hyaline Cartilage (chondrocyte, perichondrium)
   Elastic cartilage (chondrocyte, perichondrium, elastic fibers)
   -Fibrocartilage (chondrocyte, collagen fibers)
   -Compact Bone (Haversian system (osteon), central canal, lacunae, canaliculi,volkman's canal
   -Spongy Bone
   -Blood (erythrocytes, leukocytes)

   True        False

2. Simple columnar Epithelium →
   Single layer of cubelike cells with large, spherical, central nuclei; may exhibit microvilli
   -Kidney tubules, small ducts and secretory portions of glands, thyroid, overy surface
   -Function: Secretion, absorption

   True        False

3. Adipose Connective Tissue →
   -Matrix is similar to areolar CT, but very sparse
   -Cells: closely packed adipocytes with nuclei displaced to the periphery by a large lipid droplet
   -Located under the skin, around the kidneys and eyes, in bones, witin the abdomen, and in breasts
   Provides reserve food fuel (triglycerides: insulates organs; and supports and potects organs.

   True        False

4. Transitional Epithelium →
   Single layer of cubelike cells with large, spherical, central nuclei; may exhibit microvilli
   -Kidney tubules, small ducts and secretory portions of glands, thyroid, overy surface
   -Function: Secretion, absorption

   True        False

5. Keratinized/nonkeratinized stratified squamou epithelium →
   -Keratinized : found in epidermis
   -Nonkeratinized: found in the linings ofthe mouth, esophagus, and vagina
   - Several cell layers; basal cells are columnar/cuboidal (mitotically active); may be keratinized or nonkeratinized

   True        False

6. Nervous Tissue → Neuron
   Neuroglia

   True        False