Large Intestine

Question 1

Large intestine

Answer 1

GIT distal part

Question 2

Size

Answer 2

150-180 cm (5 feet long)

Question 3

Formation

Answer 3

1. Caecum
2. Appendix
3. Ascending colon
4. Transverse colon
5. Descending colon
6. Pelvic (sigmoid) colon
7. Rectum
8. Anal canal

Question 4

Differs from small intestine in 3 features

Answer 4

1. Taeniae coli
2. Sacculations (haustrations)
3. Appendices epiploicae

Question 5

Taeniae coli

Answer 5

1. 2 longitudinal muscle bands
2. Start at: vermiform appendix base
3. End in: sigmoid colon terminal part to be continuous with rectum longitudinal muscle layer

Question 6

Taeniae coli size

Answer 6

Their length is 1 foot shorter than that of large intestine

Question 7

Taeniae coli site in ascending and descending colons

Answer 7

Anterior, Posteromedial, and posterolateral

Question 8

Taeniae coli site in transverse colon

Answer 8

1 posterior and 2 anterior (superior and inferior)

Question 9

Sacculations

Answer 9

Colon wall bulges outwards in between Taeniae coli forming pouches (Sacculations) because Taeniae coli are shorter than colon length

Question 10

Sacculations site

Answer 10

Absent in:
1. Appendix
2. Rectum
3. Anal canal

Question 11

Appendices epiploicae

Answer 11

Small peritoneal projections filled with fat on large intestine surface

Question 12

Appendices epiploicae site

Answer 12

Absent in:
1. Appendix
2. Caecum
3. Rectum
4. Anal canal