Pancreas | Structure and Function

#pancreas

Pancreas | Structure and Function

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▬▬▬▬▬▬▬▬▬▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬

(0:00-1:45)
Outline: Structure, composition & functioning: Elongated double gland; Exocrine & Endocrine portions; Islets of Langerhans.

(1:48-4:40)
Exocrine gland: Relationship of Pancreatic Duct System with the Bile Duct system; Common Bile Duct(CBD) & Pancreatic Duct; Ampulla of Vater.
Drainage system of pancreas via Major Pancreatic Duct.

(4:42-7:45)
Pancreatic Ductal System in detail: Interlobar & Interlobular ducts; Intercalated ducts & Acinar system.

(7:46-11:25)
Importance of Intercalated Duct System; HCO3- (Bicarbonate ions) secretion; role of Secretin & Acetylcholine (ACh).
Cholecystokinin (CCK) & ACh: stimulation of Acinar secretion;

(11:27-14:20)
Acinar Cell Structure, in detail: Protein-making machinery; prominent RER, Golgi apparatus; serous gland, Secretory vesicles (Zymogen).

(14:22-16:03)
Endocrine gland: Islets of Langerhans; Beta cells, Alpha cells etc.

(16:05-20:35)
Enzymes: Exopeptidases, Endopeptidases, Lipids & Amylases; Trypsinogen, Chymotrypsinogen etc.
Importance of Enterokinases in activating the above-mentioned pancreatic enzymes.

(20:38-22:10)
Acute Pancreatitis; autodigestion by self-enzymes; importance of Amylases & Lipases in diagnosis.
Calcification points in fatty tissues.

(22:12-23:48)
Chronic Pancreatitis; Lipase deficiency, fat malabsorption; Steatorrhea.
Alcoholism, Gall Bladder stones.
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