Lesser sciatic foramen

Lesser sciatic foramen

Infobox Anatomy
Name = PAGENAME
Latin = foramen ischiadicum minus
GraySubject = 80
GrayPage = 309


Caption = Articulations of pelvis. Anterior view.


Caption2 = Articulations of pelvis. Posterior view.
System =
MeshName =
MeshNumber =
DorlandsPre = f_12
DorlandsSuf = 12373178
An opening between the pelvis and the posterior thigh, the foramen is formed by the sacrotuberous ligament which runs between the sacrum and the ischial tuberosity and the sacrospinous ligament which runs between the sacrum and the ischial spine.

Boundaries

The lesser sciatic foramen has the following boundaries:
* Anterior: the tuberosity of the ischium
* Superior: the spine of the ischium and sacrospinous ligament
* Posterior: the sacrotuberous ligament

Alternatively, the foramen can be defined by the boundaries of the lesser sciatic notch and the two ligaments.

Contents

It transmits the following structures:
* the tendon of the Obturator internus
* internal pudendal artery
* internal pudendal veins
* pudendal nerve

External links

* - "The Female Perineum: Osteology"


Wikimedia Foundation. 2010.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • lesser sciatic foramen — n SCIATIC FORAMEN (b) …   Medical dictionary

  • lesser sacrosciatic foramen — lesser sciatic foramen f. ischiadicum minus …   Medical dictionary

  • sciatic foramen — n either of two foramina on each side of the pelvis that are formed by the hip bone, the sacrospinous ligament, and the sacrotuberous ligament and that form a passage from the pelvis to the gluteal and peroneal regions: a) one giving passage to… …   Medical dictionary

  • Lesser sciatic notch — Infobox Bone Name = Lesser sciatic notch Latin = incisura ischiadica minor GraySubject = 57 GrayPage = 235 Caption = Right hip bone, external surface, showing greater sciatic notch and lesser sciatic notch, separated by the spine of ischium.… …   Wikipedia

  • sciatic foramen — noun : either of two foramina on each side leading from the pelvis to the gluteal and peroneal regions and transmitting respectively (1) the sciatic nerve, superior and inferior gluteal, pudendal, and other nerves, associated vessels, and the… …   Useful english dictionary

  • sciatic notch — n either of two notches on the dorsal border of the hip bone on each side that when closed off by ligaments form the corresponding sciatic foramina: a) a relatively large notch just above the ischial spine that is converted into the greater… …   Medical dictionary

  • Foramen — In anatomy, a foramen (pl. foramina) is any opening. ExampleskullSee Foramina of skullOther* the apical foramen is the hole at the tip of the root of a tooth. * the foramen ovale (heart) is a hole between the venous and arterial sides of the… …   Wikipedia

  • foramen ischiadicum minus — [TA] lesser sciatic foramen: a hole converted from the minor sciatic notch by the sacrotuberal and sacrospinal ligaments; called also lesser ischiadic or lesser sacrosciatic f …   Medical dictionary

  • sciatic hernia — herniation of intestine through the greater or lesser sciatic foramen. Called also ischiatic h. and ischiocele …   Medical dictionary

  • Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… …   Medical dictionary

Share the article and excerpts

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