Migrating motor complex

Migrating motor complex

Migrating motor complexes (or migrating myoelectric complex) are waves of activity that sweep through the intestines in a regular cycle during fasting state.

These motor complexes help trigger peristaltic waves which facilitate transportation of indigestible substances such as bone, fiber and foreign bodies from the stomach, through the small intestine past the ileocecal sphincter into the colon.

The MMC originates in the stomach roughly every 75–90 minutes during the interdigestive phase (between meals) and is responsible for the rumbling experienced when hungry.

It also serves to transport bacteria from the small intestine to the large intestine, and to inhibit the migration of colonic bacteria into the terminal ileum.

The MMC is thought to be partially regulated by motilin which is initiated in the stomach as a response to vagal stimulation, and does not depend on extrinsic nerves directly.

References

External links

v · d · eDigestive system, physiology: gastrointestinal physiology
GI tract
Upper GI
Exocrine
Processes
Fluids
Lower GI
Endocrine/paracrine
Fluids
Processes
Segmentation contractions · Migrating motor complex · Borborygmus · Defecation
Either/both
Processes
Accessory
Fluids
Processes
Abdominopelvic

M: DIG

anat(t, g, p)/phys/devp/enzy

noco/cong/tumr, sysi/epon

proc, drug(A2A/2B/3/4/5/6/7/14/16), blte



Wikimedia Foundation. 2010.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • migrating motor complex — migrating myoelectric complex a distinctive pattern of electromechanical activity in the gastrointestinal tract between meals, signifying motility of smooth muscles. There is a quiescent stage lasting 45 to 60 minutes, a time of gradually… …   Medical dictionary

  • interdigestive migrating motor complex — migrating motor c …   Medical dictionary

  • Gastrointestinal physiology — is a branch of human physiology addressing the physical function of the gastrointestinal (GI) system. The major processes occurring in the GI system are that of motility, secretion, regulation, digestion and circulation. The function and… …   Wikipedia

  • Мигрирующий моторный комплекс — (ММК; англ. Migrating motor complex)  циклическая, стереотипно повторяющаяся сократительная активность желудка и тонкой кишки в межпищеварительный период. Мигрирующий моторный комплекс характерен для периода покоя пищеварительного… …   Википедия

  • Motilin — NMR solution structure of motilin in phospholipid bicellar solution.[1] Identifiers Symbol …   Wikipedia

  • Digestion — For the industrial process, see anaerobic digestion. For the treatment of precipitates in analytical chemistry, see Precipitation (chemistry)#Digestion. Entrails redirects here. For the practice of reading entrails, see Extispicy. Digestion is… …   Wikipedia

  • MMC — may stand for: In automobiles: *Mitsubishi Motors Corporation, a Japanese automobile company *Morris Motor Company, a former British car manufacturing company *Mid model change, an incremental revision made to an automobile between generations In …   Wikipedia

  • Swallowing — Swallowed redirects here. For the song by Bush, see Swallowed (song). For the song by Blind Melon, see Nico (album). Gulp redirects here. For other uses, see Gulp (disambiguation). Baby swallowing Swallowing, known scientifically as deglutition,… …   Wikipedia

  • Nadey Hakim — GCSJ, MD, PhD, FRCS, FRCSI, FACS, FICS(Hon), FASMBS, FINS(Hon), FIMSA (Hon), born April 9, 1958. General, transplant and bariatric surgeon. Biography Nadey Hakim [1] is a doctor, surgeon and prolific author. He is Surgical Director West London… …   Wikipedia

  • Gastric acid — is a digestive fluid, formed in the stomach. It has a pH of 1 to 2 and is composed of hydrochloric acid (HCl) (around 0.5%, or 5000 parts per million), and large quantities of potassium chloride (KCl) and sodium chloride (NaCl). The acid plays a… …   Wikipedia

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”