Abdominal and Pelvic Viscera Flashcards
What is the esophagus comprised of?
- Alimentary canal
2. Accessory organs (teeth, tongue, liver, pancreas, etc.)
Esophagus is a __________ tube that extends between the distal end of the laryngopharynx (C___) and stomach (T___).
muscular; CVI; TXI
Arterial supply for the esophagus comes from branches of the ______ aorta and nerve supply mainly by CN ___.
thoracic; X
The esophagus has important relations to what 3 structures?
- Trachea
- Aortic arch
- Right atrium of heart
How long is the esophagus? What other 3 structures have similar length?
25cm; stomach; duodenum; ureter
In what area of the mediastinum does the esophagus sit?
Posterior
What level of the T spine does the esophagus pass through
T10
In what regions of the abdomen is the stomach located?
Epigastric and left hypochondriac region
What 3 parts can the stomach be subdivided into?
- Fundus
- Body
- Pyloric part
What are the left and right borders of the stomach known as?
Greater and lesser curvatures
The entrance and exit of the stomach are guarded by the _______ and _______ respectively.
cardia; pylorus
What is the capacity of the stomach?
1 L
What does the duodenum surround?
Head of pancreas
What are the 4 segments of the duodenum?
- Superior
- Descending
- Inferior
- Ascending
The ______ segment receives the secretions of the pancreas and bile (liver).
second (descending)
The inferior vena cava and the aorta pass (anterior/posterior) to the duodenum.
POSTERIOR
The jejunum makes up the proximal __/5 and the ileum makes up the distal __/5 of the Sm. I.
2;3
The ______ has a thicker wall, narrower lumen and fewer arteries compared to the _______.
jejunum; ileum
Chemical digestion mostly takes place in the _______ whereas absorption of nutrients occurs mostly in the ______.
jejunum; ileum
What does the Lg. I consist of?
- Cecum
- Appendix
- Colon
- Rectum
- Anal canal
What are the 4 parts of the colon?
- Ascending
- Transverse
- Descending
- Sigmoid
The cecum receives the content of ileum though the _________ valve.
ileocecal
The appendix is usually attached _____ to the distal end of the cecum.
medial
In the colon, longitudinal smooth muscles are organized in the form of _____ muscular bundles. These muscles are called ______ _____.
3; tenia coli