Bone Formation, Growth, Remodeling Repair of Bone Fractures

Slides:

Advertisements

Similar presentations

To play click on circle Back to menu ‘ Dem Bones.

Advertisements

1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Human Biology Sylvia S. Mader Michael Windelspecht Chapter.

Bone Formation, Growth, and Remodeling 1 1. Formation and Growth  Bone forms via a process called ossification or osteogenesis  As an embryo we all.

Unit 4, part I Bones: Structure and Function. The Skeletal System The skeletal system consists of bones, cartilages, ligaments and joints. The skeleton.

PowerPoint ® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing.

The Skeletal System Part II. Bone Development Slide 5.12 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Osteogenesis (ossification)

1 The Skeletal System. 2 Parts of the skeletal system – Bones – Joints – Ligaments – Cartilage Divided into two divisions – Axial – longitudinal axis.

Bone Formation, Growth and Remodeling. Bone formation The Skeleton is formed from two of the strongest and most supportive tissues in the body: Cartilage.

Bones Structure, Remodeling, Homeostatic Imbalances.

The Skeletal System, Part 1 Bone Tissues and Skeletal System Overview

Skeletal System Notes-Part 2. Bone Formation Ossification – The process of bone formation.

The Skeletal System Divided into two divisions

© 2015 Pearson Education, Inc.

The Skeletal System Bone Growth and Repair. Skeleton Axial and Appendicular Skeletons Sex Differences: Generally, the male skeleton is larger and heavier.

Bone remodeling essential if bones are to retain normal proportions and strength accounts for bones becoming thicker forms large projections for muscles.

With sufficient amounts of calcium in the body nerve responses are much better. As calcium decrease nerve function can be altered. If the body does not.

The Skeletal System Anatomy & Physiology I Fall 2013.

PowerPoint ® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing.

The Skeletal System.

ELAINE N. MARIEB EIGHTH EDITION 5 Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation by.

Bone Formation, Growth, & Maintenance. Types of Bone Cells  Osteocytes  Mature bone cells  Osteoblasts  Bone-forming cells  Osteoclasts  Bone-destroying.

Bone Fractures, Development, and Degeneration

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings  Diaphysis  Shaft  Composed of compact bone  Epiphysis  Ends of the bone.

PowerPoint ® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing.

+ The Skeletal System Bone Growth and Repair. Types of Bone Cells Slide 5.15 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings.

Chapter 5 Bone Formation and Remodeling

Hyaline: support and flexibility Articular cartilage Costal cartilage Laryngeal cartilage Tracheal cartilage Nasal cartilage Epiphyseal plate.

 Skeletal System: Day Three Bone Formation, Growth, and Remodeling, Bone Diseases and Disorders.

DIGGIN’ UP BONES CHAPTER 5. The Skeletal System Divided into two divisions Axial skeleton Appendicular skeleton.

Essentials of Human Anatomy & Physiology Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Seventh Edition Elaine N. Marieb Chapter.

Chapter 5 :The Skeleton Part A Lecture Notes. The Skeletal System ***Quiz 1 Info Parts of the skeletal system Bones (skeleton) Joints Cartilages Ligaments.

BONE STRUCTURE & GROWTH. Anatomy of a Long Bone  Epiphysis – ends  Mostly spongy bone  Diaphysis – shaft  Made of compact bone  Center is medullary.

PowerPoint ® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing.

Bones are alive Living bones: Form Grow Repair Remodel

PowerPoint ® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing.

Calcitonin  Gland?  Stimulus?  Cell Activated?  Result?  1.  2. Parathyroid Hormone  Gland?  Stimulus?  Cell Activated?  Result?  1.  2. 

Skeletal System Lecture Day 3: Bones and Bone Growth.

The Skeletal System  Parts of the skeletal system  Bones (skeleton)  Joints  Cartilages  Ligaments  Two subdivisions of the skeleton  Axial skeleton.

Chapter 5 Gross & Microscopic Bone Anatomy

Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings CHAPTER 5.2 ANATOMY OF THE LONG BONE.

 skeleton – bone and cartilage  embryos: hyaline cartilage  young children: most replaced by bone  bridge of nose, parts of ribs, joints = still cartilage.

BONE GROWTH & REMODELING Ch 5 Skeletal System. Formation of the Human Skeleton In embryos, the skeleton is primarily hyaline cartilage During development,

Bone growth & remodeling. Formation of the Human Skeleton  In embryos, the skeleton is primarily hyaline cartilage  During development, much of this.

5 The Skeletal System.

Bone Formation, Growth, and Remodeling. Bone formation, growth and remodeling The skeleton is formed from two of the strongest and most supportive tissues.

Microscopic Osteology and Bone Formation. Compact Bone We know that compact bone is very dense It is also very complex when viewed under a microscope.

1 The Skeletal System continues…. 2 Skeletal System Parts of the skeletal system: 1.Bones 2.Joints 3.Ligaments 4.Cartilage Separated into 2 main divisions:

Bone Formation, Growth, and Remodeling

Chapter 5 Bones and Skeletal Tissue. The Skeletal System  Parts of the skeletal system  Bones (skeleton)  Joints  Cartilages  Ligaments  Divided.

Objectives Explain the role of bone salts and the organic matrix in making bone both hard and flexible. Describe briefly the process of bone formation.

The Skeletal System Chapter 5 Part 1.

Function, Structure, and Repair

The Skeletal System.

The Skeletal System Chapter 5 Pages

Skeletal System: Day Three

Chapter 5 Bone formation. Growth and remodeling

BONE FORMATION, GROWTH AND REMODELING

Skeletal System: Day Three

The Skeletal System Chapter 5 – Part 1

Skeletal System Microanatomy

Osseous Tissue (Bone Tissue)

The Skeletal System.

The Skeletal System.

Skeletal System Chapter 5.

The Skeletal System: Anatomy of Long Bones

Chap 7: The Skeletal System.

The Skeletal System.

Function, Structure, and Repair

The Skeletal System.

Presentation transcript:

Bone Formation, Growth, Remodeling Repair of Bone Fractures Page 121 to 124

Connective Tissues Cartilage Bone Embryos: hyaline cartilage Young child: cartilage replaced by bone except bridge of nose, parts of ribs, and joints. Bone Ossification: bone formation

Bone Formation Hyaline cartilage is covered with bone matrix by osteoblasts (bone forming cells). The enclosed hyaline cartilage is digested away, opening up a medullary cavity within the newly formed bone.

Bone Formation By birth, most hyaline cartilage have been converted to bone except for two regions Articular cartilages Epiphyseal plates

Articular Cartilage Persist for life. Reduces friction at the joint surfaces.

Epiphyseal plates Provide longitudinal growth of the long bones during childhood. Growth controlled by growth hormones and sex hormones (during puberty). Completely converted to bone during adolescence.

Bone is an active tissue. Responds to calcium levels. Pull of gravity and muscles.

Calcium Levels Decrease Increase (hypercalcemia) parathyroid hormones (PTH) are released Activates osteoclasts (giant bone-destroying cells. Increase (hypercalcemia) Calcium from the blood is deposited in the bone matrix as hard calcium salts. May cause renal or bladder stones May be a sign of other diseases

Pull of gravity and muscles Bones where bulky muscles are attached become thicker and form large projections. Inactivity causes loss of mass and atrophy in bones due to lack of stress.

Repair of Bone Fractures Hematoma (blood-filled swelling) is formed. The break is splinted by a fibrocartilage callus (mass of repair tissue). The bony callus (made of spongy bone) is formed. Bony callus is remodeled in response to the mechanical stresses placed on it, so that it forms a strong permanent “patch” at the fracture site.