Colon, Rectum, Anus

Question 0

Inflammation of the gall bladder

Answer 0

Cholescystisis

Question 1

Gut Development

-primordial gut carries with it the vascular pedicle

Answer 1

Foregut: stomach to middle duodenum, celiac trunk (pain localizes at the epigastric region)
Midgut: middle duodenum to transverse colon, superior mesenteric artery (pain localizes at the periumbilical region)
Hindgut: rectum and snus, inferior mesenteric artery (pain localizes at the hypogastric region)

Question 2

Distension of the colon

Answer 2

Sends signals to defecate

Question 3

Irritable bowel syndrome

Answer 3

Exaggerated gastrocoluc response

People feels bloated always

Question 4

Large bowel gas

Answer 4

400-1200 ml of gas normally expelled daily as flatus

Composition:
CO2
Methane
Nitrogen

Question 5

Taenia coli
There are 3 (free, omentum, mesenteric) wrapped around the colon
Mas maiksi kaysa sa length of the colon

Answer 5

Will lead you to the appendix

Question 6

Colon that is derived from the midgut

Thin-walled but a larger lumen

Answer 6

Midgut

Question 7

Patient with left colon cancer (distal part is smaller, widest part is the cecum)

Presents with constipation (obstructive, may bara)

Answer 7

Patients with right-sided colon cancer

Patient presents with chronic diarrhea

Question 8

Kung pumutok ang colon, saan siya puputok?

Answer 8

Kung saan malaki ang diameter (right side colon)

Question 9

Retroperitoneal (plastered sa posterior abdominal wall)

Answer 9

Ascending and descending colon

Clinical implication?

Question 10

Intraperitoneal

Answer 10

Transverse and sigmoid (mobile)
Implication: probe to twisting - sigmoid

Kapag pumutok because of diverticulitis, kakalat ang fecal matter sa cavity

Vs

Retroperitoneal: pwedeng i-drain distally

Question 11

Volvulus

Answer 11

Twisting of the colon (sigmoid)

Question 12

Wala ng taenia coli

Answer 12

Indicator na nasa rectum na

Question 13

White Line of Toldt

Answer 13

Avascular plane

Question 14

Diverticulosis

Answer 14

Presence of many diverticula (abnormal out-pouching of a hollow organ)

Implication: bleeding, puputok

Question 15

Ileocecal valve

Answer 15

Not a real valve

Invagination of the ileum to the cecum

Question 16

Accdg to textbook, common location of appendix

Answer 16

Retrocecal

Good morning appendix : nakikita agad

Question 17

Function of appendix

Answer 17

Gut-associated lymphoid tissue

Question 18

McBurney’s point

Answer 18

Not always the location of the appendix

Rather, point of maximal tenderness

Question 19

Appendicitis

Answer 19

Obstruction of the lumen of the appendix

Question 20

Ileocolic artery

-almost always present

Answer 20

Continuation of the superior mesenteric artery

Pwedeng walang right colic

Question 21

Meandering mesenteric artery

Arc of Riolan

Answer 21

Kahit putulin, may blood supply pa rin

Question 22

If may tumor sa right colon, remove the whole right colon (Hemicolectomy)

Answer 22

To cure the patient

something with lymphatic drainage

Question 23

Rectum

Answer 23

12-15 cms in length

Question 24

Valves of Houston

Answer 24

Not real valves, just foldings of rectal wall

Question 25

Condylomas

Answer 25

Anal warts