Dive into the fascinating world of anatomy and physiology with this comprehensive textbook. Explore the inner workings of the human body, focusing on the digestive system and its components, including the GI tract, peritoneal reflections, and more. Perfect for students and professionals seeking a d...
, Medical & Nursing | Anatomy I of V pages
1. what is the peritoneum
lining of abdominal cavity; single continous membrane made of simple squamous epithelium (mesothelium)
2. what is in between the abdominal wall and peritoneum
abdominal cavity
3. what is the peritoneal cavity
potential space within layer of peritoneum (between parietal peritoneum surrounding the abdominal wall, and
peritoneum, surrounding the internal organs), containing small amount of peritoneal fluid to allow organs to
4. what are the peritoneal reflections which suspend components of GI tract called
mesentries
5. components of GI tract in order
mouth and pharynx, oesophagus, (below diaphragm) stomach, duodenum, jejenum and ileum, caccum and
6. early development of gut tube
originates from endoderm and splanchnic (from visceral - not part of body wall) mesoderm at 4 weeks -
from yolk sac; suspended from posterior abdominal wall by peritoneal fold (dorsal mesentery - may be
7. mesentries
peritoneal folds attaches to viscera, attaching viscera to abdominal walls; act as conduit for vessels, nerves and
8. visceral peritoneum
covers suspended organs
9. parietal peritoneum
lines abdominal wall
10. intraperitoneal structures
within peritoneal cavity; most of small intestine, suspended from abdominal wall by mesentries
11. retroperitoneal structures
behind or outside parietal peritoneum: kidneys and great vessels that lie between parietal peritoneum and
13. secondarily retroperitoneal organs on posterior abdominal wall that originally had a mesentry but which
duodenum (except first part), pancreas (tail is intraperitoneal), colon (ascending and descending only)
14. 3 divisions of GI tract (different blood and nerve supplies)
foregut (distal 3rd of oesophagus to 2nd part of duodenum at entrance of bile duct - major duodenal papilla),
15. dorsal and ventral mesenteries
entire gut tube suspended from dorsal mesentery (posterior); foregut also has a ventral mesentery (anterior) -
Anatomy 2024/25 Edition
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