6–126 To examine an abnormality in the colon, the physician performs a visual
examination of the sigmoid colon called a ____________________ / _____ /
____________________.
6–127 A sigmoid/o/scope,a flexible fiber-optic tube that permits transmission of
light to visualize images around curves and corners, is placed through the anus to vi-
sualize part of the gastro/intestin/al tract.
To examine the colon, the physician uses a flexible fiber-optic instrument called a
____________________ / _____ / ____________________.
6–128 The sigmoid colon is S-shaped and is the last part of the colon. (See
Fig. 6–5.) Sigmoid/ectomy is most commonly performed for carcin/oma of the
sigmoid colon.
Identify words in this frame that mean
excision of the sigmoid colon:____________________ / ____________________
cancerous tumor:____________________ / __________
6–129 A col/o/scopy is commonly referred to as a colon/o/scopy. Both terms
mean visual____________________of the____________________.
6–130 Use colon/oto form medical words that mean
inflammation of the colon: ____________________ / __________
instrument to examine the colon:____________________ / _____ / __________
visual examination of the colon:____________________ / _____ / __________
Boldfaceindicates a word root or combining form. Blueindicates a suffix. Pinkindicates a prefix.
242 CHAPTER 6• Digestive System
End of
sigmoidoscopy
(Examination
of lower third
of colon)
Colonoscopy
(Examination
of entire length
of colon)
Polyp
Anus
Sigmoid colon
Figure 6-5Sigmoidoscopy and
colonoscopy.
examination, colon
KŌ-lŏn
sigmoid/o/scopy
sĭg-moy-DŎS-kō-pē
sigmoid/o/scope
sĭg-MOY-dō-skōp
sigmoid/ectomy
sĭg-moyd-ĔK-tō-mē
carcin/oma
kăr-sĭ-NŌ-mă
colon/itis
kō-lŏn-ī-tĭs
colon/o/scope
kō-LŎN-ō-skōp
colon/o/scopy
kō-lŏn-ŎS-kō-pē