Stomach (Study Notes)

University:
North Idaho College
Course:
NURS 201 | Fundamentals Of Nursing
Academic year:

2021
Views:

254

Pages:

7
Author:

MichGar

Depinition: 1) The stomach is mascular bag coming the wildest of most distensible pact of the digestive tube. 2) It is connected above to the locked end of the esophagus I below to the duodenum. 3) It acts as a reserviour of blood & helps in digestion of cacbohydrates. proteins I pats. Location: 1) The stomach lies. abdomen. obliquely in the of upper left part of the 2 It occupies the epigastric, umbilical & left hypochondriac region. 3) Most of the lies under cover of the lept costal margin of the ribs Shape: 1) The shape of the stomach depends upon the degree of its distension. 2) When empty (verticle). the stomach is some what 'J' shaped. 3) When pactially distended it becomes pyriform in shape. 4) In an obsessed person it is more horizontal. Size & capacity: 1) The stomach is very distensible organ. 2) It is about 25 cm long. 3) The mean capacity: 1 ounce (30ml) at birth. IL (1000 ml) at puberty IL 1/2 (1.5) 21 oc more in adult. Muscles of Anterior lateral abdominal wall. 1) external oblique muscle. 2) Internal oblique muscle. 3) Transversus abdominis muscle. 4) Rectus abdominis muscle. 5) Cremaster muscle. 6) pyramidalis muscle. External features. The stomach has two orifices & opening: 1) Cardiac 2) pyloric Two curvatures of borders: 1) lesser curvature 2) Greater curvature Two subspaces: 1) Anterior or Anteco-suspicion subpace. 2) posterior or posteroinferior surface Two orifices: a> cardiac: 1) It is joined by the lower end of the esophagus. 2) It lies behind the left 7 costal cartilage 2.5 cm from its junction with the sternum, at the level of vertebra Til. by Pylocic: 1) The pyloric occupies opens into the duodenum 2) In an empty stomach & in the supine position, it lies 1.2 cm to the right of the median plane, at the level of the lower border of vertebrae Li o