Sternal Articulations

The manubriosternal joint.--In the majority of cases the joint between the manubrium and the body of the sternum is cartilaginous in character, the bony surfaces being coated with cartilage and connected by a disc of fibrocartilage, which occasionally becomes ossified in advanced life. In rather more than thirty per cent of subjects the central part of the disc undergoes absorption and the joint is converted into a synovial one, the two segments of the bone are also connected by the fibrous membrane which envelops the bone.

The xiphisternal joint.-The joint between the xiphoid process and the body of the sternum is also a secondary cartilaginous joint, but it is usually converted into a synostosis by the fifteenth year.

Figure 522
Sternocostal and interchondral joints anterior view - Figure 522

Previous | Next


 Gray's Anatomy
 
 1. Embriology
 
 2. Osteology
menuVertebral Column
menuSkull
menuCranial Bones
menuFacial Bones
menuExtremities
 
 3. Arthrology
menuTrunk Articulations
menuUpper Extremity Articulations
menuPelvis Articulations
menuLower Extremity Articulations
 
 4. Myology
menuMuscles of the Head
menuMuscles of the Trunk
menuMuscles of the Upper Extremity
menuMuscles of the Lower Extremity
 
 5. Angiology
menuThoracic Cavity
 
 6. The Arteries
menuArteries of the Head and Neck
menuArteries of the Upper Extremity
menuArteries of the Trunk
menuArteries of the Lower Extremity
 
 7. The Veins
menuSystemic Veins
 
 8. The Lymphatic System
 
 9. Neurology
menuBrain or Encephalon
menuCranial Nerves
menuSpinal Nerves
menuSympathetic Nerves
 
 10. The Organs of the Senses and the Common Integument
menuThe Peripheral Organs of the Special Senses
 
 11. Splanchnology
menuThe Respiratory Apparatus
menuThe Digestive Apparatus
menuThe Urogenital Apparatus
menuThe Ductless Glands
 
 12. Surface Anatomy and Surface Markings
 
menuMuscle Tables
 
 Quizzes
menu1. Introduction
menu2. Head & Face
menu3. Neck
menu4. Torso
menu5. Shoulder & Arm
menu6. Forearm, Wrist & Hand
menu7. Hip, Thigh & Knee
menu8. Leg, Ankle & Foot