THE RETROPERITONEAL ORGANS 1252020 SCNM ANAT 604 The

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THE RETROPERITONEAL ORGANS 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 1

THE RETROPERITONEAL ORGANS 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 1

TRANSPYLORIC PLANE • THROUGH PYLORUS • 1/2 BETWEEN STERNAL NOTCH & SYMPHYSIS PUBIS •

TRANSPYLORIC PLANE • THROUGH PYLORUS • 1/2 BETWEEN STERNAL NOTCH & SYMPHYSIS PUBIS • 9 TH COSTAL CARTILAGE • LEVEL OF L 1 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 2

SUPRACRESTAL PLANE • SUPERIOR MARGIN OF ILIAC CRESTS • BETWEEN L 4 & L

SUPRACRESTAL PLANE • SUPERIOR MARGIN OF ILIAC CRESTS • BETWEEN L 4 & L 5 • SACROSPINALIS CROSSED BY 12 TH RIB • UMBILICUS AT L 4 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 3

MUSCULAR WALL • PSOAS MAJOR – PSOAS MINOR • ILIACUS • QUADRATUS LUMBORUM •

MUSCULAR WALL • PSOAS MAJOR – PSOAS MINOR • ILIACUS • QUADRATUS LUMBORUM • DIAPHRAGM – CRURA – ESOPHAGEAL HIATUS (T 10) – IVC (T 8) – AORTA (T 12) BETWEEN CRURA 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 4

AORTA • ENTERS THROUGH THE AORTIC HIATUS • PAIRED SEGMENTAL BRANCHES • BIFURCATES AT

AORTA • ENTERS THROUGH THE AORTIC HIATUS • PAIRED SEGMENTAL BRANCHES • BIFURCATES AT SUPRACRESTAL PLANE INTO COMMON ILIAC AA 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 5

LARGE PAIRED BRANCHES • SUPRARENAL ARTERY(IES): • RENAL ARTERIES • GONDADAL ARTERIES 12/5/2020 SCNM,

LARGE PAIRED BRANCHES • SUPRARENAL ARTERY(IES): • RENAL ARTERIES • GONDADAL ARTERIES 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 6

UNPAIRED BRANCHES OF THE AORTA • CELIAC TRUNK • SUPERIOR MESENTERIC • INFERIOR MESENTERIC

UNPAIRED BRANCHES OF THE AORTA • CELIAC TRUNK • SUPERIOR MESENTERIC • INFERIOR MESENTERIC 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 7

PREVERTEBRAL GANGLIA • ASSOCIATED WITH AN UNPAIRED BRANCH OF AORTA • CELIAC GANGLION •

PREVERTEBRAL GANGLIA • ASSOCIATED WITH AN UNPAIRED BRANCH OF AORTA • CELIAC GANGLION • SUPERIOR MESENTERIC GANGLION • INFERIOR MESENTERIC GANGLION 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 8

INFERIOR VENA CAVA • COMMON ILIAC VV • PAIRED TRIBUTARIES – SEGMENTAL – SUPRARENAL

INFERIOR VENA CAVA • COMMON ILIAC VV • PAIRED TRIBUTARIES – SEGMENTAL – SUPRARENAL – GONADAL • UNPAIRED TRIBUTARIES – HEPATIC VEINS 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 9

KIDNEYS • LT. KIDNEY HILUS ATTRANSPYLORIC PLANE – RENAL A. – RENAL V. –

KIDNEYS • LT. KIDNEY HILUS ATTRANSPYLORIC PLANE – RENAL A. – RENAL V. – URETER • RT. KIDNEY LOWER 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 10

KIDNEY RELATIONS • SUPERIOR – ADRENAL GLANDS • POSTERIOR – DIAPHRAGM – QUADRATUS LUMBORUM

KIDNEY RELATIONS • SUPERIOR – ADRENAL GLANDS • POSTERIOR – DIAPHRAGM – QUADRATUS LUMBORUM – PSOAS • INFERIOR – SMALL INTESTINE • MEDIAL – CELIAC PLEXUS 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 11

LT. KIDNEY ANTERIOR RELATIONS • SPLEEN • PANCREAS • LEFT COLIC FLEXURE • STOMACH

LT. KIDNEY ANTERIOR RELATIONS • SPLEEN • PANCREAS • LEFT COLIC FLEXURE • STOMACH 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 12

RT. KIDNEY ANTERIOR RELATIONS • • DUODENUM GALL BLADDER LIVER RIGHT COLIC FLEXURE 12/5/2020

RT. KIDNEY ANTERIOR RELATIONS • • DUODENUM GALL BLADDER LIVER RIGHT COLIC FLEXURE 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 13

DUODENUM • BEGINS AT LEVEL OF TRANSPYLORIC PLANE • SECONDARILY RETROPERITONEAL 12/5/2020 SCNM, ANAT

DUODENUM • BEGINS AT LEVEL OF TRANSPYLORIC PLANE • SECONDARILY RETROPERITONEAL 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 14

PANCREAS • LIES IN TRANSPYLORIC PLANE • HEAD • BODY • TAIL • EXOCRINE

PANCREAS • LIES IN TRANSPYLORIC PLANE • HEAD • BODY • TAIL • EXOCRINE • ENDOCRINE 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 15

GALL BLADDER • FUNDUS IN TRANSPYLORIC PLANE • HEPATIC DUCT • CYSTIC DUCT •

GALL BLADDER • FUNDUS IN TRANSPYLORIC PLANE • HEPATIC DUCT • CYSTIC DUCT • COMMON BILE DUCT • MAIN PANCREATIC DUCT • SPHINCTER OF ODDI • ACCESSORY PANCREATIC DUCT 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 16

COLON • ASC. & DESC. 2° RETROPERITONEAL • TRANSPYLORIC PLANE – RT. & LT.

COLON • ASC. & DESC. 2° RETROPERITONEAL • TRANSPYLORIC PLANE – RT. & LT. COLIC FLEXURES – TRANS. MESOCOLON • TRANSVERSE COLON • CECUM & APPENDIX 12/5/2020 SCNM, ANAT 604, The Retroperitoneal Organs 17