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Tissues Anatomy and Physiology. Connective, Muscle, and Nervous Tissue.

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Presentation on theme: "Tissues Anatomy and Physiology. Connective, Muscle, and Nervous Tissue."— Presentation transcript:

1 Tissues Anatomy and Physiology

2 Connective, Muscle, and Nervous Tissue

3 2. Connective Tissue

4 Major characteristics  Most common tissue  Found in blood, under skin, in bone, around organs  Contain matrix: between cells  Good blood supply (vascular) Exceptions: cartilage (none) Exceptions: cartilage (none) tendons/ligaments (poor) tendons/ligaments (poor)

5 Connective Tissue Fibers (protein found in matrix) 1. Collagen fibers- strong and flexible 2. Elastic fibers – stretchy, not strong 3. Reticular fibers- very thin, forms framework

6 Types of connective tissue  A. Loose connective tissue 1. Areolar connective tissue 1. Areolar connective tissue 2. Adipose tissue: stores triglycerides 2. Adipose tissue: stores triglycerides 3. Reticular connective tissue: ex. framework for liver/spleen 3. Reticular connective tissue: ex. framework for liver/spleen

7  B. Dense connective tissue: more matrix/fewer cells 1. Dense regular: parallel fibers, ex. Tend./lig. 1. Dense regular: parallel fibers, ex. Tend./lig. 2. Dense irregular: ex: deep skin 2. Dense irregular: ex: deep skin 3. Elastic: ex: lungs, arteries 3. Elastic: ex: lungs, arteries

8 Check for understanding   4 - I can describe to my peers the difference between loose and dense connective tissue.   3 - I understand the difference between loose and dense connective tissue.   2 - I understand, but I need more practice   1 - I am lost about the difference between loose and dense connective tissue

9  C. Cartilage: gel-like matrix, no blood/nerves 1. Hyaline cartilage: most abundant/weakest ex: nose, joints, fetal sk 1. Hyaline cartilage: most abundant/weakest ex: nose, joints, fetal sk 2. Fibrocartilage: strongest, b/w vertebrae 2. Fibrocartilage: strongest, b/w vertebrae 3. Elastic cartilage: ex: ear 3. Elastic cartilage: ex: ear SLOOOOOOW TO HEAL

10  D. bone tissue

11  E. Liquid tissue 1. Blood tissue 1. Blood tissue 2. Lymph 2. Lymph

12 Check for understanding   4 - I can describe to my peers all the different types of connective tissue and give an example of each.   3 - I understand all the different types of connective tissue and give an example of each.   2 - I understand connective tissue but I need more practice   1 - I am lost about the types of connective tissue

13 3. Muscle Tissue

14 characteristics  Made of cells that contract  Cause movement  Long, slender cells called fibers

15 Types of muscle tissue

16 A. Skeletal Muscle   Voluntary   Long thread-like cells; striated   Many nuclei in each cell   Contracts and relaxes when stimulated by a nerve impulse

17 B. Smooth Muscle   Involuntary   Lacks striations   Single nucleus per cell   Found in walls of organs such as the stomach, intestines, blood vessels, and bladder

18 C. Cardiac Muscle   Only in the heart   Single nucleus   Branching cells   Involuntary   striated

19 Check for understanding   4 - I can describe to my peers all the different types of muscle tissue and give characteristics.   3 - I understand all the different types of muscle tissue and give characteristics.   2 - I understand muscle tissue but I need more practice   1 - I am lost about the types of muscle tissue

20 4. Nervous Tissue   Found in the brain, spinal cord, and peripheral nerves   Basic cells are called neurons.   Axon, dendrites, cell body   Direction of action potential

21 Tissue Recap. (don’t write) Epithelial Tissue Simple Squamous Simple Cuboidal Simple Columnar Stratified Squamous Stratified Cuboidal Stratified Columnar Transitional Epithelium

22 Tissue Recap. Cont. (don’t write) 2. Connective Tissue Loose Connective Tissue Dense Connective tissue Cartilage Bone Liquid

23 Tissue Recap. Cont. (don’t write) 3. Muscle Tissue 1. Skeletal 2. Smooth 3. Cardiac 4. Nervous Tissue


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