Exercise 6A
Classification of Tissues
The Tissue
• Multicellular organisms made up of tissues.
• Tissues are the group of cells that are
similar in structure an...
The Tissues
• Four primary tissue types are:
–
–
–
–

Epithelial tissue (Epithelium)
Connective tissue
Nervous tissue
Musc...
The Organs
• Two or many types of primary tissues are
grouped together to make organs;
heart, lungs, kidneys
• Organs perf...
Epithelial Tissue
• Epithelium covers
external body surface,
the organs and lines
the cavities inside
organs.
• Functions-...
Epithelial Tissue
• Characteristics:
–
–
–
–
–

Polarity (apical and basal surface)
Cellularity and specialized contacts
S...
Epithelial Tissue Types:
LayerShape

Flat (squamous) Cube

Column (tall)

One layer

Simple
squamous

Simple
cuboidal

Sim...
Connective Tissue
• Found in all parts of the body, connects the tissues
and organs
• Composed of specialized cells embedd...
Connective Tissue Classification:
1. Connective i.
tissue proper

Loose
connective
tissue

a. Areolar connective tissue; m...
1. Loose Connective Tissue
a. Areolar connective tissue
1. Loose Connective Tissue
b. Adipose connective tissue
1. Loose Connective Tissue
c. Reticular connective tissue
2. Dense Connective Tissue
a. Dense regular connective tissue
2. Dense Connective Tissue
b. Dense irregular connective tissue
1. Cartilage Connective Tissue
a. Hyaline cartilage
1. Cartilage Connective Tissue
b. Elastic cartilage
1. Cartilage Connective Tissue
c. Fibrous cartilage
2. Osseous Connective Tissue
a. Bone
3. Fluid connective tissue
a. Blood
Muscular tissue
• Muscle tissue is relatively long slender cells containing
contractile protein actin and myosin
• Muscle ...
Nervous tissue
• Tissues of the nervous system
• Composed of two cell population
– Nerons
– Neuroglial cells

• Neurons ar...
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Exercise 6 a&p lab

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Exercise 6 a&p lab

  1. 1. Exercise 6A Classification of Tissues
  2. 2. The Tissue • Multicellular organisms made up of tissues. • Tissues are the group of cells that are similar in structure and function. • Study of tissues, Histology, complements a study of gross anatomy and provides the structural basis for a study of organ physiology.
  3. 3. The Tissues • Four primary tissue types are: – – – – Epithelial tissue (Epithelium) Connective tissue Nervous tissue Muscular tissue (Muscles)
  4. 4. The Organs • Two or many types of primary tissues are grouped together to make organs; heart, lungs, kidneys • Organs perform specific body functions
  5. 5. Epithelial Tissue • Epithelium covers external body surface, the organs and lines the cavities inside organs. • Functions- protection, absorption, filtration, excretion, secretion, and sensory reception.
  6. 6. Epithelial Tissue • Characteristics: – – – – – Polarity (apical and basal surface) Cellularity and specialized contacts Supported by connective tissue (basement membrane) Avascularity Regeneration
  7. 7. Epithelial Tissue Types: LayerShape Flat (squamous) Cube Column (tall) One layer Simple squamous Simple cuboidal Simple columnar Multiple layers Stratified squamous Stratified cuboidal Stratified columnar Other types Transitional epithelium Pseudostratified columnar
  8. 8. Connective Tissue • Found in all parts of the body, connects the tissues and organs • Composed of specialized cells embedded within a non-living matrix. • Matrix is combination of protein fibers (collagen, elastin, & reticulin) and ground substance (interstitial fluid, cell adhesion proteins, & proteoglycans) • Functions: structural framework, protection, support, energy storage, immunity
  9. 9. Connective Tissue Classification: 1. Connective i. tissue proper Loose connective tissue a. Areolar connective tissue; mucous membranes b. Adipose connective tissue; hypodermis of skin c. Reticular connective tissue; bone marrow ii. Dense connective tissue 2. Supporting Connective Tissue a. Dense regular connective tissue; tondons b. Dense irregular connective tissue; dermis of skin i. a. Hyaline cartilage; trachea, ribs, ends of long bones b. Elastic Cartilage; external ear, epiglottis c. Fibrous cartilage; intervertebral disks, knee joint Cartilage ii. Bone 3. Fluid Connective tissue a. Osseous connective tissue; bones a. Blood ; blood vessels b. Lymph; lymph vessels
  10. 10. 1. Loose Connective Tissue a. Areolar connective tissue
  11. 11. 1. Loose Connective Tissue b. Adipose connective tissue
  12. 12. 1. Loose Connective Tissue c. Reticular connective tissue
  13. 13. 2. Dense Connective Tissue a. Dense regular connective tissue
  14. 14. 2. Dense Connective Tissue b. Dense irregular connective tissue
  15. 15. 1. Cartilage Connective Tissue a. Hyaline cartilage
  16. 16. 1. Cartilage Connective Tissue b. Elastic cartilage
  17. 17. 1. Cartilage Connective Tissue c. Fibrous cartilage
  18. 18. 2. Osseous Connective Tissue a. Bone
  19. 19. 3. Fluid connective tissue a. Blood
  20. 20. Muscular tissue • Muscle tissue is relatively long slender cells containing contractile protein actin and myosin • Muscle is both excitable and contractile • Function: movement • Types: a. Skeletal b. Smooth c. Cardiac
  21. 21. Nervous tissue • Tissues of the nervous system • Composed of two cell population – Nerons – Neuroglial cells • Neurons are functional excitable cells • Glia are supporting cells with variety of functions • Functions: provides integration and communication between body systems on a relatively fast, short time scale.

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