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Sacram and Coccyx

What are the large bumbs at the top of the sacram and their purpose? Superior articular factes, articulate with L5
What is the hole down the center of the sacram called? Sacral canal
What are the 2 large bilateral masses that resemble wings called on the sacram? And what is their purpose? Ala, have articular surfaces on their lateral sides which make the sacroilliac joint
The sacram doesnt have spinous processes, but instead has? Spinous tubricles
What is the sacral promontory? On the anterior side of the sacram, superior margin of S1
What is the Sacram's equivalent to an articular process? Intermediate crest, bilateral to the median crest
What is the median crest of the sacram? Runs down the middle of the sacram, over the spinous tubricles
What is the lateral crest of the sacram? The most lateral crest on the sacram equivalent to a transverse process
What are the 4 bilateral holes called on the sacram Sacral foramina
What is the sacral hiatus? on the dorsal side of S5, inferior opening of the sacral canal, naturally occurring spina bifida
What is sacral cornua? Formed by inferior tubricles of the sacral crest
What are the 2 horns coming off the top of the Coccyx? coccygeal cornua, project superiorly from the 1st coccyx vertibrae
What projects laterally from the first coccygeal vertibrae? Transverse processes.
Created by: hopper



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