Chicken skull and sternum
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The document summarizes key aspects of chicken skeletal structure in 3 paragraphs. It describes how (1) pneumatic bones are hollow and connected to the respiratory system, examples being the skull, humerus, and sternum; (2) medullary bones are an important calcium source for egg shell formation; and (3) the skull has small bones protecting the rear processing structures and a food-handling area in front, with the frontal, parietal, and temporal bones making up the cranium.
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Chicken skull and sternum
- 2. Pneumatic bones The pneumatic bones are important to the chicken for respiration. They are hollow bones connected to the chickens respiratory system and are important for the chicken Examples of pneumatic bones: skull, humerus, clavicle, keel(sternum) pelvic girdle lumbar and sacral vertebrae.
- 3. Medullary bones The medullary bones are an important source of calcium for the laying hen. Calcium is the primary component of egg shells and a hen Mobilizes 47% of her body calcium to make an egg shell. Examples: tibia, femur, pubic bones, ribs, ulna, toes, and scapula.
- 4. Skull
- 5. SKULL Skull of the chicken is made up many small bones. The rear protects all the structures needed for input and processing of information. The front is a food procuring and handling area.
- 6. SKULL The largest bones in the chicken face are called frontal, parietal and temporal bone. They make up the cranium which is the back of the chicken head. There is also a mandible which is another word for the jaw bone.
- 7. Sternum
- 8. STERNUM large and positioned under the body Pectoral flight muscles are attached to this bone