1. CH3 Cells and Tissues … Power Point Part B

2. Assignment: Prior to class, fill in the information for the items that have a * in your own words. Be prepared to turn your answers in if requested.

3. Hierarchy of Information
ATOMS  ELEMENTS  MOLECULES  BIOCHEMICALS  CELLS  TISSUES  ORGANS  ORGAN SYSTEMS  ORGANISM

4. VI. Body Tissues– 4 types A. Epithelial *Tissues = 1. Locations
Coverings/Linings
Boundaries
Skin & Glands
2. *Characteristics
*Cell Density:
Surfaces: Apical & Basal
Basement Membrane
*Avascular:
*Regeneration:

5. a) Simple Squamous Epithelium Forms membranes Function *Examples:
3. Classification
a. *Cell Layers
*Simple:
*Stratified:
b. Cell Shapes
*Squamous
*Cuboidal
*Columnar
4. Simple Epithelia
a) Simple Squamous Epithelium
Forms membranes
Function
*Examples:
Figure 3.17a

6. b) Simple Cuboidal Epithelium Functions: *Examples:
Simple Epithelia …
b) Simple Cuboidal Epithelium
Functions:
*Examples:
c) Simple Columnar Epithelium
Goblet Cells
*Examples

7. d) Pseudostratified Columnar Epithelium *Layers: ______________ why?
Simple Epithelia …
d) Pseudostratified Columnar Epithelium
*Layers: ______________ why?
*w/ Cilia: name?
Goblet Cells make mucus
Function: cilia & mucus do what
*Examples

8. 5. Stratified Epithelia
a) Stratified squamous
Cell Shapes:
*Function:
*Examples
6. Glandular Epithelium
a) *Gland =
b) Types
Exocrine
Endocrine

9. VI. Body Tissues … B. Connective Tissue
1. Characteristics
a. Cell Density
b. *Blood Supply
c. *Locations & Abundance:
d. *Functions
e. Extracellular Matrix
*define:
iii) Protein Fibers
Collagen (white) fibers
Elastic (yellow) fibers

10. 2. TYPES
a. Bone (osseous tissue)
i) Composed of
Bone cells
- lacunae
Hard matrix
Minerals:
Fibers:
ii) *Function:

11. b. Cartilage
i) *compared to Bone, matrix is?
ii) Cells in lacuna
iii) *Locations/Examples
iv) *Types: list
c. Dense Connective Tissue (Fibrous)
i) *Matrix: primarily what?
ii) Fibroblasts:

12. d. Loose Connective Tissue - * compared to Dense C.T.
i) Areolar
Description:
Functions
Location
Fibers
ii) Adipose
*Mostly what?
*Functions
*Locations/Examples

13. e. Blood (vascular tissue)
*Matrix: liquid, called what?
Fibers:
*Functions:

14. C. Muscle Tissue Cells shape: Functions: Types 1. Skeletal muscle
*Organs: in what organ?
*control: controlled consciously?
*Function:
Striated

15. 2. Cardiac muscle
*Conscious control: ?
*Location:
*Function:
Intercalated Discs:
*Striated: is it?
3. Smooth muscle
*Striations: is it?
*Cell Shape:
*Locations:
Function:
Conscious control:

16. D. Nervous Tissue 1. Neurons a. *Function:
b. Functional Characteristics
Irritability
Conductivity
c. Cell Structure
Cell Body:
*Processes:
2. *Supporting Cells functions
3. *Make up what organs

17. VII. Events in Tissue Repair
Two Methods: Regeneration and Fibrosis
Regeneration =
STEPS
1. Inflammation
Capillaries permeable and clotting proteins leak out
Blood clot forms trapping Bacteria
Scab forms
2. Granulation Tissue Forms
= pinkish immature connective tissue
New capillaries grow in
3. Surface Epithelium Regenerates
Regeneration of surface epithelium
Scab detaches

18. B. Fibrosis 4. There May Be Some Scar Tissue Beneath
5. Tissues: epithelial, connective except cartilage
B. Fibrosis =
1. Depends on:
2. Scar Tissue Repair by dense connective tissue
3. Tissues With No or Poor Regeneration
Cardiac muscle: none
Nervous: some mitosis
Skeletal muscle: some mitosis

19. VIII. Health Concerns– Cancer (crab) - How Common: approx
VIII. Health Concerns– Cancer (crab) - How Common: approx. ½ population develops; 1/5 die
A. Carcinogens & Mutations
Oncogenes & Tumor Suppressor Genes
B. Increased Cell Division– not controlled
C. Tumor (Neoplasm) Develops
Benign OR Malignant
D. Malignancy Develops
Metastisis:
E. Common Cancers: Skin, Breast, Colon, Lung, Prostate Gland (Stomach, Lymphoid)
END OF PPT