Lesser sac

Lesser sac

Infobox Anatomy
Name = PAGENAME
Latin = bursa omentalis
GraySubject = 246
GrayPage = 1156


Caption = The greater sac or general cavity (red) and lesser sac, or omental bursa (blue).


Caption2 = Horizontal disposition of the peritoneum in the upper part of the abdomen. (Lesser sac is outlined in blue in center.)
System =
MeshName = Lesser+Sac
MeshNumber = A01.047.025.600.678
DorlandsPre =
DorlandsSuf =

The lesser sac, also known as the omental bursa, is the cavity in the abdomen that is formed by the lesser and greater omentum. Usually found in mammals, it is connected with the greater sac via the epiploic foramen (also known as the "Foramen of Winslow"). In mammals, it is not uncommon for the lesser sac to contain considerable amounts of fat.

In human anatomy, the wall of the stomach, pancreas and .

The lesser sac is embryologically formed from an infolding of the greater omentum. The open end of the infolding, known as the epiploic foramen, is usually proximal to the stomach.


=Additional

ee also

*Terms for anatomical location

References

External links

*
* - "Abdominal Cavity: The Lesser Peritoneal Sac"
*


Wikimedia Foundation. 2010.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • lesser sac — lesser peritoneal sac bursa omentalis …   Medical dictionary

  • lesser sac-winged bat — mažasis šuniškasis maišasparnis šikšnosparnis statusas T sritis zoologija | vardynas taksono rangas rūšis atitikmenys: lot. Peropteryx macrotis angl. lesser dog like bat; lesser sac winged bat; Neotropical sac winged bat; Trinidad sac winged bat… …   Žinduolių pavadinimų žodynas

  • Lesser Sac-winged Bat — Taxobox | name = Lesser Sac winged Bat regnum = Animalia phylum = Chordata classis = Mammalia ordo = Chiroptera familia = Emballonuridae genus = Saccopteryx species = S. leptura binomial = Saccopteryx leptura binomial authority = Schreber, 1774… …   Wikipedia

  • Lesser Ghost Bat — Conservation status Least Concern (IUCN 3.1)[1] …   Wikipedia

  • Sac-winged — may refer to:* Amazonian Sac winged Bat, bat species from South America * Frosted Sac winged Bat, bat species from South America * Greater Sac winged Bat, bat native to Central and South America * Lesser Sac winged Bat, bat species from South and …   Wikipedia

  • lesser dog-like bat — mažasis šuniškasis maišasparnis šikšnosparnis statusas T sritis zoologija | vardynas taksono rangas rūšis atitikmenys: lot. Peropteryx macrotis angl. lesser dog like bat; lesser sac winged bat; Neotropical sac winged bat; Trinidad sac winged bat… …   Žinduolių pavadinimų žodynas

  • Lesser omentum — The primitive mesentery of a six weeks’ human embryo, half schematic. (Lesser omentum labeled at left.) …   Wikipedia

  • sac — 1. A pouch or bursa. SYN: saccus [TA]. SEE ALSO: sacculus. 2. An encysted abscess at the root of a tooth. 3. The capsule of a tumor, or envelope of a cyst. [L. saccus, a …   Medical dictionary

  • Lesser Frigatebird — Taxobox name = Lesser Frigatebird status = LC status system = IUCN3.1 regnum = Animalia phylum = Chordata classis = Aves ordo = Pelecaniformes familia = Fregatidae genus = Fregata species = F. ariel binomial = Fregata ariel binomial authority =… …   Wikipedia

  • Lesser Sheath-Tailed Bat — Taxobox name = Lesser Sheath tailed Bat status = LR/lc | status system = IUCN2.3 regnum = Animalia phylum = Chordata classis = Mammalia ordo = Chiroptera familia = Emballonuridae genus = Emballonura species = E. monticola binomial = Emballonura… …   Wikipedia

Share the article and excerpts

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