ABDOMEN ANATOMY SPOTTERS REVISION FOR FIRST MBBS.pptx

5,735 views 46 slides Feb 03, 2024
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About This Presentation

The Anatomy Abdomen Spotters Revision Presentation is a comprehensive and detailed resource designed specifically for first-year MBBS students preparing for their exams. This presentation covers all the essential aspects of abdominal anatomy, providing a thorough review of the structures, functions,...


Slide Content

ABDOMEN SPOTTERS REVISION RETROPERITONEAL ORGANS PELVIS

RETROPERITONEAL ORGANS

Identify the pinned area and determine the side Name the structures present in the pinned area in ORDER

Hilum of left kidney Structure present in hilum in order(from anterior to posterior) Renal vein Renal artery Renal pelvis

Identify the pinned structure. Give its content.

Renal sinus Contents Branch of renal artery Tributaries of renal vein Major and minor calyxes indented by 1to3 renal papilla

Identify the pinned structure Give its blood supply.

Right and left suprarenal glands Blood supply Arterial supply Superior suprarenal artery (branch of inferior phrenic artery ) Middle suprarenal artery (branch of abdominal aorta) Inferior suprarenal artery (branch of renal artery) Venous drainage Right suprarenal vein-drain into IVC Left suprarenal vein-drain into left renal vein

Identify the structure. Where does it open ?

Ureter proximal part is retroperitonel Open into lateral angle of trigone of urinary bladder.

Identify the pinned structure and it's retroperitonel parts Give its development

Pancreas Retroperitoneal parts Head, neck ,body but tail in lineorenal ligament Development: from the dorsal bud and ventral bud .

Identify the pinned structure In which part of duodenum it opens. Give its position

Major duodenal papilla 2nd part of duodenum 8-10cm distal to pylorus

Identify the structure Explain its relations.

Neck of the pancreas Relations Anterior surface: related to pylorus Posterior surface: related to formation of portal vein Upper border: related to 1st part of duodenum Lower border:root of transverse mesocolon

Identify the structure Explain its peritoneal relations

Rectum Peritoneal relations Upperone-third: covered by peritoneum on front and sides Middleone-third: peritoneum only on the front Lowerone-third:not covered by peritoneum at all

Identify the structure Write its relations.

2nd part of duodenum Relations Anterior:gall bladder,rt lobe of liver, transversecolon and mesocolon,coils of SI Posterior:Rt kidney,Rt renal vessels,rt edge of IVC,Rt psoas major muscle Medially:head of the pancreas Laterally:from below upward ascending colon,Rt colic flexure,Rt lobe of liver

Identify the structure. Give its formation, termination and tributaries.

Inferior vena cava Formation:by union of RtandLt common iliac veins Termination:lower posterior part of Rt atrium Tributaries:3thand4th lumbar veins Rt testicular/ovarian vein Hepatic veins Renal veins(rt and lt) RT suprarenal vein Rt inferior phrenic vein

Identify the structure. Gives its branches .

Abdominal aorta Branches: Ventral br: coeliac trunk Superior mesenteric artery Inferior mesenteric artery Dorsal branches:Lumbar artery Median sacral artery Lateral br: Inferior phrenic artery Middle suprarenal artery Renal artery Testicular/ovarian artery Terminal br:Rtand Lt common iliac arteries

PELVIS:

Identify the tied structure Write its embryological significance.

Median umbilical ligament Embryological remnant of Urachus

Identify the tied structure. Give its branches.

Internal iliac artery.it has ant and post division Branches :ant division Male and female:sup vesical , obturator,middle rectal artery,inf vesical artery(female:vaginal artery),inf gluteal artery,internal pudendal. In addition female have Uterine artery Posterior division: Iliolumbar artery Lateral sacral artery Superior gluteal artery

Identify the pinned structure. Give its normal anatomical position Mention its supports.

Utreus Position:Antiversion(90°),Antiflexion(170°) Supports: Primary supports: muscular: Pelvic diaphragm, perineal body, urogenital diaphragm Visceral:UB,vagina, Uterine axis Fibromuscular: Transverse ligament,pubocervical,uterosacral,round ligament Secondary supports: Broad ligament,uterovesical fold,rectovaginal fold of peritoneum.

Identify the tied structure. Give its appiled anatomy.

Uterine tune(fallopian tube) Applied anatomy Tubectomy Salphingitis Ectopic pregnancy

Identify the pinned structure. Give its contents.

Broad ligament of uterus Contents: Uterine tube Round ligament of uterus Ligament of ovary Uterine vessels Ovarian vessels Uterovaginal and ovarian plexus Epooporon and it's duct Paraoporon Lymphatics ,fibroaerolar conn tissue

Identify the probed space . Give its boundaries and applied anatomy

Pouch of Douglas Boundaries: Anterior:post surface of uterus and post fornix of vagina Posterior:Rectum Inferior:rectovaginal fold of peritoneum Applied anatomy:most dependent part of peritoneal cavity

Identify the pinned structure Give its position and blood supply

Ovary Location: Ovarian fossa in lateral pelvic wall Anteriorly: Obliterated umblical artery Posteriorly:Internal iliac artery andureter Blood supply: Arterial supply: Ovarian and uterine artery Venous supply:Pampiniform plexus of veins

Identify the probed space. Give its contents.

Retropubic space Contents:Fat,vesical plexus of veins

Identify the pinned structure. Give it lobes and applied anatomy

Prostate gland It has 5 lobes Anterior, posterior,two lateral lobes and median lobes Applied anatomy: carcinoma of prostate Benign prostate hypertrophy

Identify the pinned structure Give its development. Name the openings present in it.

Trigone of Urinary bladder. Development: Absorption of mesonephric duct Openings in it: 2 uretertic orifices Internal urethral orifice