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Before completing the next spelling exercise you should note the difference between the suffixes -ectomy, -stomy and -tomy as these often cause confusion. The suffix -stomy comes from a word meaning a mouth or opening. Usually a stoma is formed by surgery e.g. a colostomy is an opening or an operation to form an opening into the colon. This word is also used in anastomosis, a communication often formed by surgery between two parts; stomas and anastomoses can be temporary or permanent.
| -ectomy | = | removal or excision of |
| -stomy | = | an opening |
| -tomy | = | incision into |
Now use the suffixes you have learned so far to spell words associated with the small intestine in Word Exercise 8: