Internal Organs Flashcards
Location of atria
Behind ventricles
Number of pulmonary veins
4
Where are trabeculae found
R Ventricle
Where are papillary muscles found
R Ventricle, L Ventricle
What are papillary muslces attached to
Cordae Tendinae (Atrio-Ventricular valves)
Curve of intraventricular septum
Curves out from L ventricle into R ventricle
No. cusps on Tricuspid Valve
3
No. cusps on mitral valve
2
No. cusps Aortic Valve
3
No. cusps Pulmonary Valve
3
Location of coronary sinuses
Behind left and right cusps of aortic valve
Ligamentum Arteriosum
Remnant of ductus arteriosus
Path of coronary arteries
In right / left atrio-ventricular grooves
Circumflex on left
Coronary sinus
Culmination of cardiac venous drainage
Cardiac Infundibulum
Found just prior to pulmonary valve
Relation of pulmonary arteries to pulmonary veins
Pulmonary arteries above
Upper end of trachea continuous with
Cricoid cartilage
Posterior wall of trachea
Soft
Greater omentum
Folds down over front of abdominal cavity
Gastrocolic Ligament
Links Stomach and transverse colon
Pyloric Antrum
Distal stomach (Multiple folds)
Gastric Fundus
Proximal stomach (Above oesophogastric junction) - Smooth
Greater Omentum attached to
Attached to greater curve of stomach, hangs freely over anterior abdomen but attaches to transverse colon posteriorly as descends
Lesser Omentum attached to
Lesser curve of stomach to underside of liver
Lesser Sac
Continues behind stomach
Epiploic Foramen
Found in free border of lesser omentum above duodenum. Entry into lesser sac
Tenaei Coli
Ribbons of longitudinal smooth muscle passing along colon
Haustra
Colon
Ligaments attached to liver formed from
Peritoneum
Falciform Ligament
Anterior abdominal wall to anterior liver
Ligamentum Teres
Runs in falciform ligament. Remnant of umbilical vein
Coronary Ligament
Posterior liver to posterior diaphragm
Location of porta hepatis
Posterior surface immediately above gall bladder
Quadrate Lobe
Between groove and gallbladder (lower)
Caudate Lobe
Between groove and vena cava (higher)
Uncinate process
Lower part of head of pancreas
Common hepatic duct lies between..
Liver and Cystic Duct
Common bile duct lies between
Cystic duct and pancreas
Pass of common bile duct in relation to duodenum
Passess underneath to reach head of pancreas
Triangular ligaments
From extreme left and right edges of liver to diaphragm
Liorenal ligament attaches to spleen on which side?
Posterior
Coeliac Axis Supplies:
Foregut structures. Stomach, Duodenum, Spleen, Liver and Pancreas
Initial branches of coeliac trunk
Left Gastric, Common hepatic, Splenic Arteries
Origin of coelic trunk
Immediately below diaphragm
Branches of common hepatic artery
Hepatic Artery, Gastroduodenal Artery
Origin of right gastric artery
Hepatic artery
Origin of right gastroepiploic artery
Gastroduodenal Artery
Origin of pancreaticoduodenal artery
Gastroduodenal Artery
Branches of gasproduodenal artery
Right Gastroepiploic and Pancreaticoduodenal
Blood supply to stomach
Inner Arcade - Supplied by R+L gastric arteries
Outer Arcade - Supplied by R+L Gastroepiploic
Relation of SMA to duodenum
Runs under first part and over third part during its descent
Branches of SMA
Jejunoileal, Ileocolic, Right Colic, Middle Colic
Branches of IMA
Left Colic, Sigmid Branches, Superior Rectal
Supply of lower rectum
Branches of internal iliac
Relation of portal vein to lesser sac
Runs in anterior edge of lesser omentum (Hepatoduodenal ligament)
Relation of renal veins and arteries
Veins in front of arteries
Relation of left renal vessels and aorta
Renal vessels run in front
Order of attachments at renal hilum
Anterior -> Posterior
Artery -> Vein -> Pelvis
Order of ureteric vessels
Calyx -> Pelvis -> Ureter
Renal Papilla
Project into each Calyx
Relation of ureter to testicular/ovarian vessels
Ureter behind
Relation of ureter to common iliac artery
Ureter infront
Relation of ureter to broad ligament
Ureter runs through broad ligament
Bladder Trigone
Flat area between urethral opening and ureteric openings (Triangular)