Anat: Abdomen And Pelvis Flashcards
Which layer of the abdominal wall gives rise to
- Dartos muscle
- Cremaster muscle
- Tunics vaginalis
- Superficial fascia
- Internal oblique
- Peritoneum
What are the borders of the inguinal canal?
Ant EOM aponeurosis
Post transversalis fascia and conjoint tendon
Superior IO and transversus abdominis
Inferior inguinal ligament
Give the boundaries of the foramen of Winslow.
Ant hepatoduodenal ligament
Post IVC
Superiority caudate liver
Inferior duodenum
What vertebral level do most aneurysms occur?
L4 where the bifurcation of the aorta is located.
What part of the primitive gut are the ff organs from?
- Urinary bladder
- Urethra
- Bile duct
- Hepatic duct
- Appendix
- Hindgut
- Hind
- Fore
- Fore
- Mid
Which among these has to cross midline to get to the IVC? Left renal v Right renal v Right suprarenal v L suprarenal b L gonadal v R gonadal v
Left renal vein
In addition it also crosses over the aorta and may be compressed by aneurysms of re SMA causing renal hypertension and varicocoele
To which side of the liver will intestinal carcinoma metastasize to?
Right lobe due to its increased drainage/supply from the portal vein.
To what side do the quadrate and caudate liver belong to, functionally?
Functionally they belong to the left love since they are supplied by the left hepatic artery. Anatomically, they are of the right lobe.
What vessels supply and drain the upper third of the esophagus? How about the lower third?
Upper third: inferior thyroid a and v
Lower third: left gastric a and v
The left gastroepiploic vein drains into?
The superior mesenteric vein into the portal vein
The sympathetic supply of the stomach is from?
T6 to T9 segments of the spinal cord
Where do gastric ulcers commonly occur?
Along the lesser curvature above the incisura angularis
Carcinomas of the stomach commonly arise from the?
Pyloric region
What are the boundaries of the inferior thoracic aperture?
T12, rib 11 & 12, costal margin, xiphisternal joints
Most duodenal ulcers occur where? Most perforations occur where?
Both on the anterior wall of the first part of the duodenum. But posterior wall is more dangerous because of the presence of the gastroduodenal artery.
What is the measurement from the nostril to the cardiac orifice of the stomach?
17.2 inches/ 44 cm
Gastric or duodenal ulcer?
- BT O
- Px awakes at night because of pain
- 75% of all ulcers
- Bleeding from left gastric artery
- Pain decreases with food intake
All duodenal except for number 4
Everything is bigger, longer, redder in the jejunum compared to the ileum EXCEPT FOR 3 key features. What are these?
Ileum has more arcades, fat and lymphoid nodules (Peyer’s patches)
What is the most common form of intussuception and in what population does is occur in?
Ileocecal in the pediatric population
What vessels may be obstructed by a mass in the neck or body of the pancreas?
Portal vein or IVC
What vessels are responsible for the formation of the esophageal varices in a patient with liver cirrhosis?
Esophageal branch of the left gastric vein and esophageal branch of the Azygos system
How long is the transverse colon?
38cm or 15 inches
How long is the appendix?
1 inch 2.5 cm
Snell: 3-5 inches (6-10 cm)
What supplies the rectum
1st part
2nd
3rd
1st inferior mesenteric a
2nd internal iliac a
3rd internal pudendal a
In a renal transplant what vessels are connected to each other?
Renal artery to? Renal vein to?
In portocaval shunts:
Portal vein to? Splenic vein to?
Renal artery to internal iliac a
Renal vein to external iliac v
Portal vein to IVC
Splenic vein to Left renal vein
Anal canal proper begins at what level?
At the level of the puborectalis
Common cause of appendicitis in children
Hyperplasia of lymphatic tissue
In males the ureter is crossed by the? How about in women?
Vas deferens in males
Uterine artery in females