Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

52
Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida Gut Tube: Development, Structure, Function

description

Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida. Gut Tube: Development, Structure, Function . 1. Implications of Gut Development Foregut Development Midgut Development Hindgut Development 2. Circulation – Part I. Dorsal vs. Ventral Mesentery Components. - PowerPoint PPT Presentation

Transcript of Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Page 1: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Biology 323Human Anatomy for Biology MajorsLecture 13Dr. Stuart S. Sumida

Gut Tube: Development, Structure, Function

Page 2: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 3: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 4: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 5: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 6: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

1. Implications of Gut DevelopmentForegut DevelopmentMidgut DevelopmentHindgut Development

2. Circulation – Part I

Page 7: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Dorsal vs. Ventral Mesentery Components

Page 8: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 9: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Early Development of the Stomach

Page 10: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Continued Development of the Stomach

Page 11: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Rotation of the Foregut

Page 12: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Development of diverticula of the foregut

Page 13: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 14: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

PancreasDevelopment

Page 15: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Development of Diverticula of Foregut

• Hepatic Diverticulum

• Pancreas originally two separate lobes (ventral part of hepatic diverticulum, dorsal independent.

• Rotation brings dorsal (tail) and ventral components of pancreas together.

Page 16: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Development of Diverticula of Foregut

• Hepatic Diverticulum

• Pancreas originally two separate lobes (ventral part of hepatic diverticulum, dorsal independent.

• Rotation brings dorsal (tail) and ventral components of pancreas together.

Page 17: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Development of Diverticula of Foregut

• Hepatic Diverticulum

• Pancreas originally two separate lobes (ventral part of hepatic diverticulum, dorsal independent.

• Rotation brings dorsal (tail) and ventral components of pancreas together.

Page 18: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Development of Diverticula of Foregut

• Hepatic Diverticulum

• Pancreas originally two separate lobes (ventral part of hepatic diverticulum, dorsal independent.

• Rotation brings dorsal (tail) and ventral components of pancreas together.

Page 19: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 20: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 21: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 22: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

HepaticPortal Vein

Bile Duct

Page 23: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Liver Stomach

Page 24: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Liver:

Dorsal View

Ventral View

Ligamentum teres (= old ductus venosus)

Page 25: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Foregut - Neurovascular Service:

Unpaired Branch of Abdominal Aorta: Celiac Artery

Unpaired Tributary of Hepatic Portal Vein: Splenic Vein

Sympathetic Nerve: Greater Splanchnic NerveSympathetic Nerve Segmental Levels: T5-9Sympathetic Ganglion: Celiac Ganglion

Parasympathetic Nerve: Vagus Nerve (CN – X)

Page 26: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 27: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 28: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 29: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

1. Implications of Gut DevelopmentForegut DevelopmentMidgut DevelopmentHindgut Development

2. Circulation – Part I

Page 30: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Dorsal vs. Ventral Mesentery Components

Page 31: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 32: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

“Repackaging” of the Midgut

Page 33: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 34: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 35: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 36: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 37: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 38: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Retroperitonealcomponents of abdominal cavity

Page 39: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Midgut - Neurovascular Service:

Unpaired Branch of Abdominal Aorta: Superior Mesenteric Artery

Unpaired Tributary of Hepatic Portal Vein: Superior Mesenteric Vein

Sympathetic Nerve: Lesser Splanchnic NerveSympathetic Nerve Segmental Levels: T10-11Sympathetic Ganglion: Superior Mesenteric Ganglion

Parasympathetic Nerve: Vagus Nerve (CN – X)

Page 40: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

1. Implications of Gut DevelopmentForegut DevelopmentMidgut DevelopmentHindgut Development

2. Circulation – Part I

Page 41: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 42: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Review of Retroperitonealcomponents of abdominal cavity

Page 43: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 44: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Innervation of Bladder

Sympathetic: predominantly L1-2 via hypogastric plexus

Parasympathetic: S2-4 (as you would expect of a hindgut derivative).

Page 45: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Developing

Page 46: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida
Page 47: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Hepatic Portal Vein and ItsTributaries

Page 48: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Sympathetic Supply of the Abdominal Gut

Page 49: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Parasympathetic Supply to the Hindgut: S2-4)

Page 50: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Hindgut - Neurovascular Service:

Unpaired Branch of Abdominal Aorta: Inferior Mesenteric Artery

Unpaired Tributary of Hepatic Portal Vein: Inferior Mesenteric Vein

Sympathetic Nerve: Least Splanchnic Nerve + Lumbar splanchnics

Sympathetic Nerve Segmental Levels: T12, L1(2)Sympathetic Ganglion: Superior Mesenteric Ganglion

Parasympathetic Nerve: Pelvic Outflow, S2-4

Page 51: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Foregut, Midgut, & HindgutSummary

Embryonic Gut Boundaries Sympathetic nerve

Levels

Foregut Through first ½ of duodenum

Greater Splanchnic

T5-9

Midgut 2nd ½ of duodenum through left colic flexure

Lesser Splanchnic

T10-11

Hindgut Left colic flexure to anus

Least Splanchnic + Lumbar splanchnics

T12, L1(2)

Page 52: Biology 323 Human Anatomy for Biology Majors Lecture 13 Dr. Stuart S. Sumida

Summary Continued…..Embryonic gut

Preaortic ganglia

Arteries of Abdominal aorta

Hepatic portal vein

Parasymp. innervation

Foregut Celiac ganglion

Celiac artery Splenic vein Vagus Nerve(X)

Midgut Superior mesentericganglion

Superior mesentericartery

Superior mesenteric vein

Vagus Nerve(X)

Hindgut Inferiormesentericganglion

Inferior mesenteric artery

Inferiormesentericvein

Sacral Outflow(S1-S4)