Abdominal Cavity II Flashcards
Characteristics of the Colon
- Tenia coli
- Haustra (Punches)
- Epiploic appendages
Ligaments of the Spleen
- Gastro-Splenic
- Phrenico-Splenic
- Lieno-Renal
What is the Largest Lymphatic Organ?
Spleen
Sphincter of Oddi
Controls the emptying of COMMON Bile Duct
Tenia Coli
- Thickened bands of smooth muscle
- Tapeworm of the Colon
Cecum
- Large, Blind-ended pouch
- Ileo-Cecal orifice with VALVE
4 branches of the Splenic Artery
- Sup Polar
- Inf Polar
- Sup Middle
- Inf Middle
ANS Control of the Int. Anal Sphincter
Symp:
- Promotes Contraction
Parasymp:
- Promotes Relaxation
4 parts of the Pancreas
- Head
- Neck
- Body
- Tail
Pectinate Line
- Marks the jxn b/e ENDODERM Portion & ECTODERM Portion of the Anal Canal
- Marks the division b/w VISCERAL and SOMATIC
The Descending Colon is Mostly covered by what?
PERITONEUM
- Post Wall is FUSED to Post Abdominal wall
Vascular supply to the Spleen
Splenic Artery
Impressions of the Spleen
- Stomach
- Large Intestine
- Kidney
Compared to the Ileum, the Jejunum is:
- Deeper RED
- THICKER walled
- SHORTER
- Long VASA Recta
Major Duodenal Papilla
- Empties Hepato-Pancreatic Ampulla into Duodenum
- Opening of the Common BILE Duct and Main Pancreatic Duct
Where these 2 UNITE
Internal Anal Sphincter Characteristics
- Thick smooth muscle
- Surrounds UPPER anal canal
- Controlled REFLEXIVELY
- Controlled INVOLUNTARILY by ANS
The Duodenum surrounds what?
THe Head of the PANCREAS
The Duodenum begins at ______ and ends at ______.
- The Right of Midline at Level of L1
2. Ends LEFT of Midline at L2
Arterial Supply to the Descending Colon
Inf. MESENTERIC Artery
The Rectum follows the curvature of what?
The SACRUM and the COCCYX
External Anal Sphincter Characteristics
- 3 rings of SKELETAL muscle
- Extends ENIRE length of the Anal Canal
- Controlled VOLUNTARILY
The Duodenum extends from what to what?
From Pylorus to Jejunum
How long are the Jejunum and Ileum Combined?
20 feet
The 3 Pancreatic ducts
- Main Pancreatic Duct
- Hepato-Pancreatic Ampulla
- Accessory Pancreatic Duct
Location of the Spleen
- Left Hypochondriac region
- Against the Diaphragm
- Along Axis of rib 9-11
Location of the Pancreas
- Epigastric
- Left Hypochondriac
The subsections of the Descending Duodenum
- MAJOR Duodenal Papilla
2. MINOR Duodenal Papilla
Blood Supply to the Duodenum
- Gastro-Duodenal Artery
- Sup Mesenteric Artery
Blood supply to the Pancreas
- Branches of the SPLENIC Artery
- SUP/INF Pancreatico-Duodenal Arteries
Where does the spleen develop?
In the Dorsal MESENTERY of the Stomach
The Parts of the Duodenum
- Sup (L1)
- Descending (L1-L3)
- Horizontal (L3)
- Ascending (L3-L2)
Arterial Supply to the Jejunum and the Ileum
Sup MESENTERIC Artery
ENDOcrine fxn of the Pancreas
Produce Hormones
- Insulin
- Glucagon
Body of the Pancreas
- Triangular in Cross section
- Extends across midline
Venous drainage to the Jejunum and the Ileum
Sup MESENTRIC Vein
What nerve controls the Ext. anal Canal?
Prudendal Neve
EXOcrine fxn of the Pancreas
- Produce DIGESTIVE juices
- Produce BICARBONATE
