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28 Cards in this Set
- Front
- Back
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Identify four major sutures on the skull.
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• Sagittal
• Lambdoidal • Squamos • Coronal |
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To what do the occipital condyles articulate to?
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They articulate to the atlas.
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Where is the foramen magnum and what passes through this hole?
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In the occipital bone and the spinal chord passes through it.
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What two bones compromise the zygomatic arch?
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Zygomatic and portion of the temporable bone.
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The cristi galli and cribiform plate are features of what bone?
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Ethmoid Bone
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What is the function of the foramena in the cribiform plate?
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It allows the passage of the olfactory nerves from the nose to the brain to conduct the sense of smell.
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What is the function of the dens?
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It allows the head to move.
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What are the different categories of the vertebrae?
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Cervical, Thoracic and Lumbar.
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What distinguishing features does the cervical vertebrae have? How many cervical vertebrae are there?
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•Bifurcated spinous process
•Transverse foramen • 7 vertebrae in the neck. |
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What distinguishing features does thoracic vertebrae have? How many thoracic vertebrae are there?
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• Heart shaped body
• Long-thin spinous process • No transverse foramen • 12 vertebrae posterior to the chest. |
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What distinguishing feature does lumbar vertebrae have? How many lumbar vertebrae are there?
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• Kidney shaped body
• Hatchet shaped spinous • Interlocking inferior/superior articular surface • 5 vertebrae in the lower back. |
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What bone articulates to the promontory?
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• Lumbar vertebrae.
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What bones articulate to the manubrium and the body (some via cartilage)?
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• Clavicle and ribs.
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To which tarsal bone does the tbia articulate?
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•The tauls bone
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Why is the trapezium so important?
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•It allows your thumb to move.
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What's the function of the talus?
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•Allows your foot to move up and down.
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What are the 5 basic functions that bones perform for the body?
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•Provides Support
•Protection •Movement •Mineral Reservoir •Hemopoiesis |
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Discuss how bones provide support.
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•It is the framework for the soft tissue of the body.
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Discuss how bones provide protection.
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•Hard boney "boxes" that protect organs.
Example: Skull protects the brain. |
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Discuss how bones provide mineral reservoir.
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•Major reservoir to store essential minerals.
Example : Calcium, posphorous, etc. |
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Discuss the function of Hemopoiesis in bones.
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•contains the cells that produce red blood cells. Contained in the red bone marrow.
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In what two ways do bones grow?
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•They grow in both length and circumfrence. Growth plates add bone, stretches the bone evenly in both directions.
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What's the location and function of osteoblasts and osteoclasts?
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•Osteoclasts (Periosteum) are on the oustide of the bone except at the joints. They produce cells add bone to the outside.
•Osteoblasts (Endosteum) are bone destroying cells that increase the diameter of the marrow cavity. |
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What happens to bones as you get older?
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•With age, the osteoclasts continue to function and the osteoblasts slow down making the bones thin and brittle.
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What is diaphysis?
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•It contains a hidden growth plate in an immature bone.
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Name the section of the ribs:
(7 pair) Attatched to the sternum with their OWN piece of cartilage. |
True Ribs
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Name the section of the ribs:
(3 pair) Attatched to the sternum via the cartilage of the RIB ABOVE. |
False Ribs
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Name the section of the ribs:
(2pair) Not attached to the sternum. |
Floating Ribs
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