Cystic duct

Cystic duct
Cystic duct
Illu liver gallbladder.jpg
1: Right lobe of liver
2: Left lobe of liver
3: Quadrate lobe of liver
4: Round ligament of liver
5: Falciform ligament
6: Caudate lobe of liver
7: Inferior vena cava
8: Common bile duct
9: Hepatic artery
10: Portal vein
11: Cystic duct
12: Hepatic duct
13: Gallbladder
Latin ductus cysticus
Gray's subject #250 1198
Artery cystic artery
1. Bile ducts: 2. Intrahepatic bile ducts, 3. Left and right hepatic ducts, 4. Common hepatic duct, 5. Cystic duct, 6. Common bile duct, 7. Ampulla of Vater, 8. Major duodenal papilla
9. Gallbladder, 10-11. Right and left lobes of liver. 12. Spleen.
13. Esophagus. 14. Stomach. Small intestine: 15. Duodenum, 16. Jejunum
17. Pancreas: 18: Accessory pancreatic duct, 19: Pancreatic duct.
20-21: Right and left kidneys (silhouette).
The anterior border of the liver is lifted upwards (brown arrow). Gallbladder with Longitudinal section, pancreas and duodenum with frontal one. Intrahepatic ducts and stomach in transparency.

The cystic duct is the short duct that joins the gall bladder to the common bile duct. It usually lies next to the cystic artery. It is of variable length. It contains a 'spiral valve', which does not provide much resistance to the flow of bile.

Contents

Function

Bile can flow in both directions between the gallbladder and the common hepatic duct and the (common) bile duct.

In this way, bile is stored in the gallbladder in between meal times. The hormone cholecystokinin, when stimulated by a fatty meal, promotes bile secretion by increased production of hepatic bile, contraction of the gall bladder, and relaxation of the Sphincter of Oddi.

Clinical significance

Gallstones can enter and obstruct the cystic duct, preventing the flow of bile. The increased pressure in the gallbladder leads to swelling and pain. This pain is sometimes referred to as a gallbladder "attack" because of its sudden onset.

During a cholecystectomy, the cystic duct is clipped two or three times and a cut is made between the clips, freeing the gallbladder to be taken out.

See also

Additional images

  • Digestive system diagram showing the cystic duct

  • The gall-bladder and bile ducts laid open.

  • The portal vein and its tributaries.

External links

v · d · eAnatomy of torso, digestive system: accessory digestive glands (TA A05.8–9, TH H3.04.05-07, GA 11.1188)
Liver

diaphragmatic surface: Bare area of the liver • Ligamentum venosum

visceral surface: Gastric impression • Duodenal impression • Colic impression • Renal impression • Suprarenal impression • Porta hepatis • Round ligament of liver

lobes: Left lobe  • Right lobe (Caudate lobe, Quadrate lobe)

Fibrous capsule of Glisson • Perisinusoidal space • Liver sinusoid • Periportal space • Portal triad • Lobules of liver

cells: Hepatocyte · Hepatic stellate cell · Kupffer cell
Biliary tract

intrahepatic (from Bile canaliculus and Canals of Hering): Interlobular bile ducts • Left hepatic duct • Right hepatic duct

extrahepatic: Common hepatic duct

by region: Body • Fundus • Neck

Cystic duct • Common bile duct

Hepatopancreatic ampulla (Sphincter of ampulla)

cells: Cholecystocyte
Pancreas

by region: Tail • Body • Neck • Head (Uncinate process)

ducts: Pancreatic duct • Accessory pancreatic duct

by function: Islets of Langerhans • Exocrine component of pancreas

cells: Centroacinar cell · Pancreatic stellate cell

M: DIG

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noco/cong/tumr, sysi/epon

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Look at other dictionaries:

  • Cystic duct — Cystic Cyst ic (s?s t?k), a. [Cf. F. cystique.] 1. Having the form of, or living in, a cyst; as, the cystic entozoa. [1913 Webster] 2. Containing cysts; cystose; as, cystic sarcoma. [1913 Webster] 3. (Anat.) Pertaining to, or contained in, a… …   The Collaborative International Dictionary of English

  • cystic duct — n the duct from the gallbladder that unites with the hepatic duct to form the common bile duct * * * see bile duct * * * ductus cysticus …   Medical dictionary

  • cystic duct — noun also cystic canal : the duct from the gallbladder that unites with the hepatic to form the common bile duct see digestion illustration …   Useful english dictionary

  • cystic duct — see bile duct …   The new mediacal dictionary

  • Cystic — Cyst ic (s?s t?k), a. [Cf. F. cystique.] 1. Having the form of, or living in, a cyst; as, the cystic entozoa. [1913 Webster] 2. Containing cysts; cystose; as, cystic sarcoma. [1913 Webster] 3. (Anat.) Pertaining to, or contained in, a cyst; esp …   The Collaborative International Dictionary of English

  • Cystic worm — Cystic Cyst ic (s?s t?k), a. [Cf. F. cystique.] 1. Having the form of, or living in, a cyst; as, the cystic entozoa. [1913 Webster] 2. Containing cysts; cystose; as, cystic sarcoma. [1913 Webster] 3. (Anat.) Pertaining to, or contained in, a… …   The Collaborative International Dictionary of English

  • Cystic artery — Artery: Cystic artery The cystic artery branches from the hepatic artery proper …   Wikipedia

  • Duct (anatomy) — For qualities of writing or speech, see Ductus (linguistics). Duct Dissection of a lactating breast. 1 Fat 2 Lactiferous duct/lobule 3 Lobule 4 Con …   Wikipedia

  • Cystic vein — Vein: Cystic vein The portal vein and its tributaries. Latin vena cystica Gray s …   Wikipedia

  • cystic diverticulum — a ventral outgrowth at the base of the hepatic diverticulum in the embryo; it gives rise to the gallbladder and cystic duct …   Medical dictionary

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