conjugata vera

Pelvic inlet
	Diameters of superior aperture of lesser pelvis (female).
Details
Latin	apertura pelvis superior
Identifiers
Gray's	p.239
Dorlands; /Elsevier	a_51/12144724
FMA	17272
	Anatomical terms of bone

産科真結合線

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/08/04 19:35:00」(JST)

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The pelvic inlet or superior aperture of the pelvis is a planar surface which defines the boundary between the pelvic cavity and the abdominal cavity (or, according to some authors, between two parts of the pelvic cavity, called lesser pelvis and greater pelvis).

Its position and orientation relative to the skeleton of the pelvis is anatomically defined by its edge, the pelvic brim. The pelvic brim is an approximately apple-shaped line passing through the prominence of the sacrum, the arcuate and pectineal lines, and the upper margin of the pubic symphysis.

Occasionally, the terms pelvic inlet and pelvic brim are used interchangeably.

Boundaries

The edge of the pelvic inlet (pelvic brim) is formed as follows:

	Anteriorly by the pubic crest (or pubic symphysis)
Laterally by the iliopectineal line		(same as other side)
	Posteriorly by the anterior margin of the base of the sacrum (or the ala of sacrum) and sacrovertebral angle (or sacral promontory)

Diameters

The diameters or conjugates of the pelvis are measured at the pelvic inlet and outlet and as oblique diameters.

Name	Description	Average measurement in female
Anteroposterior or conjugate diameter or conjugata vera	Extends from the sacrovertebral angle (promontorium) to the pubic symphysis;	about 110 mm.
Transverse diameter	Extends across the greatest width of the superior aperture, from the middle of the brim on one side to the same point on the opposite;	about 135 mm.
Oblique diameter	Extends from the iliopectineal eminence of one side to the sacroiliac articulation of the opposite side;	about 125 mm.
Anatomical conjugate	Extends from the pubic symphysis to the promontory;	about 120 mm.
Diagonal conjugate	Extends from inferior pubic ligament to promontory through the vagina;	about 130 mm.
Straight conjugate	Extends from the lower border of the pubic symphysis to the tip of coccyx. The coccyx can bend posteriorly and expand the diameter with 25 mm;	about 95 mm (+ 25 mm).
Median conjugate	Extends from the lower border of the pubic symphysis to the lower border of the sacrum;	about 115 mm.

Two diameters may be measured from the outside of the body using a pelvimeter

Name	Description	Average measurement in female
Interspinous distance	Extends between the anterior superior iliac spines;	about 260 mm.
Intercristal distance	Extends between the furthest later points of the two iliac crests;	about 290 mm.

Additional images

Pelvis
Conjugata vera as measured on sagittal MRI

External links

Anatomy image:9951 at the SUNY Downstate Medical Center
Anatomy image:9950 at the SUNY Downstate Medical Center - transverse diameter is blue pipecleaner, anteroposterior or conjugate diameter is red pipecleaner
Image at mun.ca
pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University) (medialpelvissmall, malepelvissagittalinlet&outletsml)

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English Journal

Computed tomographic pelvimetry in German shepherd dogs.

Ocal MK1, Dabanoglu I, Kara ME, Turan E.
DTW. Deutsche tierärztliche Wochenschrift.Dtsch Tierarztl Wochenschr.2003 Jan;110(1):17-20.
Pelvimetry was performed on a computed tomographic scanner using dorsal and lateral scout-view images of 10 adult German shepherd dogs. The vertical and transverse diameters of the pelvis were measured and the pelvic inlet and pelvic outlet areas were also calculated. No significant correlations bet
PMID 12596666

[Is CV measurement relevant for the verdict "vaginal delivery prohibited"?].

Deurell M1, Worm M.
Ugeskrift for laeger.Ugeskr Laeger.2001 Oct 15;163(42):5832-5.
INTRODUCTION: The clinical significance of conjugata vera (CV) values for estimating the possibility of vaginal delivery when caesarean section (CS) has earlier been performed is uncertain and therefore the prognostic value of this parameter was examined.MATERIALS AND METHODS: We reviewed retrospect
PMID 11685857

[Meaning of assimilation pelvis according to Kirchhoff in modern obstetrics].

Krauss T1, Osmers R, Westerfeld S, Metzger I, Puchta J, Kuhn W.
Zeitschrift für Geburtshilfe und Neonatologie.Z Geburtshilfe Neonatol.1997 Nov-Dec;201(6):247-52.
OBJECTIVE: To what extent is the cesarean section indication "arrest of labour" due to pathological forms of the pelvis and what is the meaning of the assimilation pelvis in modern obstetrics.PATIENTS: NMR-pelvimetries were performed in 166 post partum women from June 1993 to August 1995. The patien
PMID 9491544