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Encyclopedia > Gallbladder
Gallbladder
Gallbladder is #5
Latin vesica fellea
Gray's subject #250 1197
System Digestive system (GI Tract)
Artery Cystic artery
Vein Cystic vein
Nerve Celiac ganglia, vagus[1]
Precursor Foregut
Dorlands/Elsevier g_01/12383343

The gallbladder (or cholecyst, sometimes gall bladder) is a pear-shaped organ that can accomodate up to 60 ml of bile (or "gall") until the body needs it for digestion. Image File history File links BauchOrgane_wn. ... Image File history File links Illu_pancrease. ... For other uses, see Latins and Latin (disambiguation). ... In biology, an organ is a group of tissues which perform some function. ... what was here was sick and improperly spelled. ... Section of an artery For other uses, see Artery (disambiguation). ... The cystic artery supplies oxygenated blood to the gallbladder and cystic duct. ... In the circulatory system, a vein is a blood vessel that carries blood toward the heart. ... The cystic vein drains the blood from the gall-bladder, and, accompanying the cystic duct, usually ends in the right branch of the portal vein. ... For other uses, see Nerve (disambiguation). ... The Celiac Ganglia (semilunar ganglia) are two large irregularly shaped masses having the appearance of lymph glands and placed one on either side of the middle line in front of the crura of the diaphragm close to the suprarenal glands, that on the right side being placed behind the inferior... The vagus nerve is tenth of twelve paired cranial nerves and is the only nerve that starts in the brainstem (somewhere in the medulla oblongata) and extends all the way down past the head, right down to the abdomen. ... This article or section is in need of attention from an expert on the subject. ... The foregut is the anterior part of the alimentary canal, from the mouth to the intestine, or to the entrance of the bile duct. ... Elseviers logo. ... This article is about the biological unit. ... Bile (or gall) is a bitter, yellow or green alkaline fluid secreted by hepatocytes from the liver of most vertebrates. ...

Contents

Anatomy

The gallbladder is about 100 to 120 mm long in humans and appears dark green because of its contents (bile), rather than its tissue. It is connected to the liver and the duodenum by the biliary tract. A millimetre (American spelling: millimeter, symbol mm) is an SI unit of length that is equal to one thousandth of a metre. ... The liver is the largest internal organ in the human body, and is an organ present in vertebrates and some other animals. ... In anatomy of the digestive system, the duodenum is a hollow jointed tube about 25-30 cm long connecting the stomach to the jejunum. ... A bile duct is any of a number of long tube-like structures that carry bile. ...

  • The fundus of the gallbladder is the part farthest from the duct, located by the lower border of the liver [4]. It's at the same level as the transpyloric plane.

The cystic duct is the short (usually around a centimetre or so) duct that joins the gall bladder to the common bile duct. ... The common hepatic duct is the duct formed by the junction of the right hepatic duct (which drains bile from the right functional lobe of the liver) and the left hepatic duct (which drains bile from the left functional lobe of the liver). ... Bile, which is synthesized in the liver, is carried to the right and left hepatic ducts, which converge to form the common hepatic duct. ... A duct joining the pancreas to the bile duct to supply pancreatic juice which aid in digestion provided by the exocrine pancreas. ... The Ampulla of Vater is the part of the duodenum where the common bile duct empties into the second part of the duodenum, so named because it has the appearance of an ampulla. ... The common bile duct and the pancreatic duct together perforate the medial side of the second portion of the duodenum obliquely, some 7 to 10 cm. ... The liver is the largest internal organ in the human body, and is an organ present in vertebrates and some other animals. ... An upper transverse line, the transpyloric, halfway between the jugular notch and the upper border of the symphysis pubis; this indicates the margin of the transpyloric plane, which in most cases cuts through the pylorus, the tips of the ninth costal cartilages and the lower border of the first lumbar...

Microscopic anatomy

The different layers of the gallbladder are as follows:

Section References[5] The simple columnar epithelium is made up of one layer of cells that are relatively thick and protective of the underlying tissues due to its elongated shape. ... This article is about the epithelium as it relates to animal anatomy. ... Connective tissue is one of the four types of tissue in traditional classifications (the others being epithelial, muscle, and nervous tissue. ... Smooth muscle Layers of Esophageal Wall: 1. ... Cholecystokinin (from Greek chole, bile; cysto, sac; kinin, move; hence, move the bile-sac (gall bladder)) is a peptide hormone of the gastrointestinal system responsible for stimulating the digestion of fat and protein. ... Peptides (from the Greek πεπτος, digestible), are the family of short molecules formed from the linking, in a defined order, of various α-amino acids. ... For other uses, see Hormone (disambiguation). ... In anatomy of the digestive system, the duodenum is a hollow jointed tube about 25-30 cm long connecting the stomach to the jejunum. ... In the gastrointestinal tract. ... A serosa is a serous membrane, Serous membranes line the pericardial, pleural, and peritoneal cavities, enclosing their contents. ... This article needs to be wikified. ...


Function

The gallbladder stores about 50 ml (1.7 US fluid ounces / 1.8 Imperial fluid ounces) of bile, which is released when food containing fat enters the digestive tract, stimulating the secretion of cholecystokinin (CCK). The bile, produced in the liver, emulsifies fats and neutralizes acids in partly digested food. A fluid ounce is a unit of volume in both the Imperial system of units and the U.S. customary units system. ... Bile (or gall) is a bitter, yellow or green alkaline fluid secreted by hepatocytes from the liver of most vertebrates. ... Gut redirects here. ... Secretion is the process of segregating, elaborating, and releasing chemicals from a cell, or a secreted chemical substance or amount of substance. ... Cholecystokinin (from Greek chole, bile; cysto, sac; kinin, move; hence, move the bile-sac (gall bladder)) is a peptide hormone of the gastrointestinal system responsible for stimulating the digestion of fat and protein. ... Bile (or gall) is a bitter, yellow or green alkaline fluid secreted by hepatocytes from the liver of most vertebrates. ... The liver is the largest internal organ in the human body, and is an organ present in vertebrates and some other animals. ... A. Two immisicible liquids, not emulsified; B. An emulsion of Phase B dispersed in Phase A; C. The unstable emulsion progressively separates; D. The surfactant (purple outline) positions itself on the interfaces between Phase A and Phase B, stabilizing the emulsion An emulsion is a mixture of two immiscible (unblendable...


After being stored in the gallbladder the bile becomes more concentrated than when it left the liver, increasing its potency and intensifying its effect on fats. Most digestion occurs in the duodenum. Bile (or gall) is a bitter, yellow or green alkaline fluid secreted by hepatocytes from the liver of most vertebrates. ... The liver is the largest internal organ in the human body, and is an organ present in vertebrates and some other animals. ... In anatomy of the digestive system, the duodenum is a hollow jointed tube about 25-30 cm long connecting the stomach to the jejunum. ...


Diseases and disorders

Cholecystitis is inflammation of the gall bladder. ... Bold textA more uncommon cancer predominate in females, if found early on before symptoms, can be cured by removing Gallbladder, most often it is found after symptoms occur (abdominal pain, Jaundice) and has spread to other organs such as liver and the outlook at this point is poor. ... Cholesterolosis of the gallbladder. ... This article does not cite any references or sources. ...

See also

Look up gall bladder in
Wiktionary, the free dictionary.
Wikimedia Commons has media related to:

Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 151 languages. ... Image File history File links Commons-logo. ... Laparoscopic Cholecystectomy as seen through laparoscope X-Ray during Laparoscopic Cholecystectomy Cholecystectomy (, plural: cholecystectomies,) is the surgical removal of the gallbladder. ... Cholesterolosis of the gallbladder. ...

External links

MedlinePlus (medlineplus. ...

References

  1. ^ Ginsburg, Ph.D., J.N. (2005-08-22). "Control of Gastrointestinal Function", in Thomas M. Nosek, Ph.D.: Gastrointestinal Physiology, Essentials of Human Physiology. Augusta, Georgia, United State: Medical College of Georgia, p. 30. Retrieved on 2007-06-29. 
  2. ^ Laboratory 38. Stomach, Spleen and Liver, Step 14. The Gallbladder and the Bile System. Human Anatomy (Laboratory Dissections). SUNY Downstate Medical Center, Brooklyn, NY (2003-11-17). Retrieved on 2007-06-29.
  3. ^ Abdominal dissection, gall bladder position emphasized (JPG). Human Anatomy (Laboratory Dissections). SUNY Downstate Medical Center, Brooklyn, NY (2003-11-17). Retrieved on 2007-06-29.
  4. ^ medical-dictionary.thefreedictionary.com - fundus of gallbladder
  5. ^ Slide 5: Gall Bladder. JayDoc HistoWeb. University of Kansas. Retrieved on 2007-06-29.
A duct joining the pancreas to the bile duct to supply pancreatic juice which aid in digestion provided by the exocrine pancreas. ... The pancreatic duct, or Duct of Wirsung, is a duct joining the pancreas to the bile duct to apply pancreatic juice which aid in digestion provided by the exocrine pancreas. Most people have one pancreatic duct, which joins the biliary tract just prior to the ampulla of Vater. ... Bile, which is synthesized in the liver, is carried to the right and left hepatic ducts, which converge to form the common hepatic duct. ... The hepatopancreatic ampulla, also commonly called the Ampulla of Vater, is formed by the union of the pancreatic duct and the bile duct. ... The Sphincter of tOddi, also called the hepatopancreatic sphincter or Glissons sphincter, controls secretions from the liver, pancreas, and gallbladder into the duodenum of the small intestine. ...

  Results from FactBites:
 
Gallbladder Cancer (1031 words)
Cancer of the gallbladder, an uncommon cancer, is a disease in which cancer (malignant) cells are found in the tissues of the gallbladder.
When food is being broken down (digested) in the stomach and the intestines, bile is released from the gallbladder through a tube called the bile duct that connects the gallbladder and liver to the first part of the small intestine.
The symptoms of cancer of the gallbladder may be like other diseases of the gallbladder, such as gallstones or infection, and there may be no symptoms in the early stages.
Gallbladder Disease (1016 words)
Gallbladder disease is swelling of the gallbladder, a pear-shaped organ under the liver that secretes bile, a fluid that helps with digestion.
A gallbladder attack is caused by inflammation of the gallbladder.
Most gallbladder surgery today is performed with a laparoscope, an instrument that shows the surgeon pictures of your gallbladder as it is being removed and allows for a smaller incision and a shorter hospital stay than traditional surgery.
  More results at FactBites »


 

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