Abdo 3 Flashcards
The Umbilicus is the reference point for
Transumbilical Plane
T10 Dermatome
L3/4 Dermatome
Pain from foregut is referred to
Epigastric Region
Pain from Midgut is referred to
Umbilical Region
Pain from Pubic or Hypogastric is referred from
Hindgut
The primordial gut tube develops during which week of development
4th
The primordial gut tube is derived from
Endoderm lining Yolk Sac
What is the artery of foregut
Coeliac Trunk
Oesophagus constrictions
• Cervical (pharyngo- esophageal): – 15cm from incisor teeth (IT)
• Thoracic (broncho – aortic): – crossed by arch of aorta (22.5 fromIT) and left main bronchus 27.5cm from IT)
Diaphragmatic: Where it passes through the oesophageal hiatus of the diaphragm- 40 cm from IT
Bile is produced in
Liver
Bile is stored and concentrated in
Gallbladder
Gallbladder can store up to
50ml of Bile
What is the artery of gallbladder
Cystic Artery
Portal Vein is formed behind neck of
Pancreas
Main branches of Celiac Trunk
Left Gastric Artery
Hepatic Artery
Splenic Artery
What is the shortest, widest and most fixed part of small intestine
Duodenum
Second part of duodenum receives what?
Bile Duct and Pancreatic Duct
Jejunum Characteristics
Deeper Red Thick and Heavy Wall Greater Vascularity Long Vasa Recta Few Large Loops of Arcades
Ileum Characteristics
Pale Pink Thin and Light Wall Less Vascularity Short Vasa Recta Many Short Loops
Superior Mesenteric Artery is a branch of
Abdominal Aorta (L1)
Inferior Mesenteric Artery is a artery of
Hindgut
Large Intestine can be distinguished from small intestine by
Omental Appedices
Haustra or Sacculations
Teniae Coli
Inferior Mesenteric Artery is a branch of
Aorta - L3
Superior Rectal artery is the terminal branch of
Inferior Mesenteric Artery
Portal Vein is formed by union of
Splenic Vein with Sup Mes Vein
Portal Vein is formed where
Behind neck of pancreas L2
Portocaval shunts
Sites
• Anorectal junction
• Gastroesophageal junction
At the umbilicus
Roof of Inguinal Canal formed from
Transversals Fascia
Internal Oblique
Transversus Abdo
Anterior Wall of Inguinal Canal formed from
Aponeurosis of External Oblique
Internal Oblique
Floor Wall of Inguinal Canal formed from
Inguinal Ligament
Lacunar Ligament
Posterior Wall of Inguinal Canal formed from
Transversals Fascia
Cryptorchidism is also known as
Undescended Testes
Cause of cryptorchidism/undescended Testes
Deficiency of Androgen Production by Fetal Testis
Costal Margins are formed by which costal cartilages
7th-10th Costal Cartilages
Xiphoid Process lies where
T9 Vertebra
What is Murphy’s point
It is the point of intersection of the right linea semilunaris and right costal margin. It corresponds to the tip of the 9th costal cartilage
Fundus of gallbladder lies deep to this point
Highest point of iliac crest
L5
Transpyloric plane passes through
Pylorus of Stomach
Fundus of Gallbladder
Neck of Pancreas
Hilum of Kidneys
Liver is deep to what ribs
7-11
Gallbladder location
Right side, tip of the 9th costal cartilage in midclavicular line
Spleen location
9th-11th ribs
