Locomotor I Flash cards
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- Created by: Scottchy
- Created on: 11-11-18 16:18
Where is the calcaneus located?
In the tarsus
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Where is the olecranon located?
Proximal end of ulna
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Where are growth plates found?
In the metaphysis
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What are the Haversian canals?
Channels in bone that contain blood vessels and nerves
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Where is the primary centre of ossification?
The diaphysis
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Where is the secondary centre of ossification?
The epiphyses
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What is the difference between a floating rib and a false rib?
Floating ribs don't attach to the sternum at all; false ribs attach to the sternum indirectly via the costal arch
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Where is the infraspinous fossa?
The scapula
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What is red bone marrow?
Richly vascular marrow that is haematopoietic
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What is yellow bone marrow?
Mature, waxy bone that has lost the ability to produce BCs.
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What lines the medullary cavity?
The endosteum
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What is the outer layer of bone called?
The periosteum
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What is osteoid?
The collagenous extraceullar matrix of bone
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What is an osteon?
A cylinder shaped unit of compact bone
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What are lamellae?
Rings of bone around a central canal
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What is intramembranous ossification?
The formation of bone by replacing fibrous membranes
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What is another term for growth plate?
Epiphyseal plate
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What features are typical of osteoclasts?
Multiple nuclei; large cell; granular cytoplasm
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What are examples of pneumatic bones?
Facial bones
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What is an example o a splanchnic bone?
Os penis
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What forms the costal arch?
False ribs
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What is the caudal part of the sternum called?
The xiphoid
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What are examples of bones formed by intramembranous ossification?
Skull bones, scapula
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What are examples of bones formed by endochondral ossification?
Long bones
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What is the anatomical name for the cannon bone of a horse?
The metacarpal
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What forms the axial skeleton?
Skull, vertebral column, ribs, sacrum
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What forms the appendicular skeleton?
Limbs, pelvis, scapula
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Where would you find cancellous bone?
The epiphyses of long bones
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What is the medullary cavity?
A cavity in long bones filled with marrow
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What goes through the nutrient foramen?
Nutrient artery
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What is an osteoclast?
A cell that breaks down bone
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What is an osteoblast?
A bone-forming cell
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What mineral gives bone its strength?
Calcium hydroxyapatite
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What are lacunae?
Small cavities that contain osteocytes
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What is endochondral ossification?
The formation of bone by replacing pre-existing hyaline cartilage models
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What is the epiphyseal line?
The remnant of the epiphyseal plate, seen in adult bones
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What is woven bone?
Immature bone that is associated with rapid growth and random structure
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Where would you find woven bone?
In embryos and infants; at the site of a fracture
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What is lamellar bone?
Secondary bone - remodelled from woven bone. Regular and arranged in sheets
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What are examples of long bones?
Femur, tibia, humerus, ulna, radius
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What is an example of an irregular bone?
Vertebrae
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What are examples of flat bones?
Scapula, sternum, cranium
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What is an example of a sesamoid bone?
The patella
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What is the origin of bone cells?
Mesenchymal cells
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What is the cranial part of the sternum called?
The manubrium
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What does the endosteum line?
Medullary cavity
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What is the costochondral junction?
The area where costal cartilage joins with the rib
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Where does the tubercle of the rib articulate?
Transverse fovea of the same numbered vertebra as the rib
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Where does the head of the rib articulate?
The costal fovea of the vertebra cranial to it
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What is the shaft of a long bone called?
The diaphysis
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What are the classifications of bone?
Long, short, flat, irregular, sesamoid, pneumatic, splanchnic
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What are examples of short bones?
Carpals and tarsals
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Other cards in this set
Card 2
Front
Where is the olecranon located?
Back
Proximal end of ulna
Card 3
Front
Where are growth plates found?
Back
Card 4
Front
What are the Haversian canals?
Back
Card 5
Front
Where is the primary centre of ossification?
Back
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