Farm Animal Skeletal System Flashcards
What are the 5 functions of the bones?
- support
- locomotion
- protection
- storage
- haemopoiesis
What are the 6 classifications of bones?
- long bones
- short bones
- flat bones
- sesamoid bones
- pneumatic bones
- irregular bones
What makes up the axial skeleton?
- skull
- sternum
- ribs
- vertebral column
What are the 3 main functions of the skull?
- protects the brain
- supports sense organs
- forms entry passage for digestive and respiratory systems
What are the 4 functions for the vertebral column?
- still but flexible rod to support the body
- protection of the spinal cord
- provides sites for insertion for muscles
- provides attachment fro pelvis and ribs
Where is the region of the cervical vertebrae?
Neck
Where is the region of the thoracic vertebrae?
Chest
Where is the region of the lumbar vertebrae?
Loin
Where is the region for the sacral vertebrae?
Pelvis - fused vertebrae
Where is the region for the caudal/coccygeal vertebrae?
Tail
What is the number of vertebrae in the horse?
Cervical 7
Thoracic 18
Lumbar 6
Sacral 5
Caudal 15-20
What is the number of vertebrae in the cow?
Cervical 7
Thoracic 13
Lumbar 6
Sacral 5
Caudal 18-20
What is the number of vertebrae in the sheep?
Cervical 7
Thoracic 13
Lumbar 6-7
Sacral 4
Caudal 16-18
What is the number of vertebrae in the pig?
Cervical 7
Thoracic 14-15
Lumbar 6-7
Sacral 4
Caudal 20-23
What is the structure of the sternum?
- forms the centrum of thorax
- provides the site of attachment for the costal cartilages of the ribs
- site of origin for the pectoral muscles
What are the individual bones of the sternum known as?
- the sternebrae
- parts known as the manubrium, the body and the xiphoid process
What is the structure of the ribs?
- form the lateral wall of the bony thorax
How many sternebrae do pigs have?
- 4 sternebrae in the body of the sternum