Anatomy-GI tract

Anatomy

Gi Tract




Compiled By Muchiri Simon
Edition: 2024/25

, Medical & Nursing | Anatomy I of VII pages
1. length of oesophagus
about 25 cm

2. muscle of oesophagus
upper 1/3 = skeletal
lower 2/3 = smooth

3. start of oesophagus
C6/7 at upper oesophageal sphincter

4. route of oesophagus
posterior to trachea, tracheal bifurcation and left atriumpasses through diaphragm at T10 associated with

5. stomach start point
abdominal oesophagus enters stomach in the cardia region = upper oesophageal sphincterabout T10

6. parts of stomach
entry with oesophagus = cardia
rounded bit to right = fundus
main body
greater curvature around the right and lesser curvature to the left
pyloric antrum and canal at base

7. parts of pyloric region
antrum, canal sphincter

8. greater omentum and stomach
attaches the stomach to the transverse colon

9. lesser omentum and stomach
attaches the stomach and duodenum to the liver

10. pyloric stenosis
narrowing of pylorus, food cant enter duodenum
projectile vomiting, found early in children

11. gastric ulceration
loss of protective mucus surrounding stomach tissue acid breaks down stomach tissue can be caused by the

12. sphincter of duodenum with stomach
pyloric sphincter

13. spinal levels of duodenum,
L1-3

14. position of duodenum with peritonum
first part is mobile, attached to the lesser omentum
remainder is retroperitoneal

Anatomy 2024/25 Edition