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Anatomy of the female pelvis (MRI) - atlas of the human body using cross-sectional imaging

Antoine Micheau, MD, Denis Hoa, MD

Published on Sunday 24 August 2008

SECTION: Anatomy of the thorax, abdomen, and pelvis

Images and anatomical references

Magnetic resonance (MR) imaging is a valuable technique for the non-invasive evaluation of the female pelvic region (for example diagnosing or staging developmental anomalies, leiomyomas, adenomyosis, vaginal neoplasms, endometrial or cervical carcinoma, ovarian cysts, endometriosis, teratomas, polycystic ovaries or other ovarian masses), but also for the study of the normal anatomy of the female pelvis.
In this anatomical study, we provide the user with a friendly and dynamic tool to learn and understand the main anatomic structures of the female pelvis.

 

Anatomy of the female pelvis - Interactive atlas of the whole human body based on MRI : loading page

Cross sectional anatomy: Magnetic Resonance Imaging (MRI) of the female pelvic region

 

An MR was performed on a healthy woman with two kinds of weightings: axial, coronal and sagittal spin-echo T2-weighted MR images and axial spin-echo gadolinium-enhanced fat-saturated T1-weighted MR images.
DICOM images (from our PACS (Picture Archiving and Communicating System)) were exported to JPEG format and resized with Adobe Photoshop.
Interactive anatomical tools have been developed with Adobe Flash.
This anatomical atlas has been especially designed for radiologists, gynaecologists, medical students and residents.

 

Anatomy of the female pelvis : axial slice showing uterus, ovary, uterine tubes, ligament, vaginal cavity and other internal organs.

Anatomy of the human female pelvis: how to use anatomic labels

 

The horizontal top menu (anatomical structures) allows to the user to choose the kind of anatomical labels needed to be shown on the exam:

 

  • Genital organs: uterus (with uterine zonal anatomy: endometrium, myometrium, junctional zone), cervix (central zone, cervical stroma), parametria, vagina, ovaries and adnexa with follicles
  • Urinary system including urinary bladder, ureter, urethra
  • Digestive system including rectum and sigmoid colon
  • Pelvic diaphragm
  • Pelvic girdle
  • Spaces and foramens of the pelvic region
  • Muscles
  • Arteries
  • Veins
  • Nerves
  • Pelvic measurements

 

Sagittal slice of the female pelvis showing anatomical structures as genital organs (uterus, cervix, parametria, vagina, ovaries, adnexa), urinary system, muscles, arteries, veins, nerves and pelvic measurements.

 

 

The user is able to choose one of the three planes of interest (axial, coronal or sagittal) through the left vertical menu, which also provides cross references.
As the cursor is moved over a particular anatomic area of the pelvic region, this region is highlighted and labelled: peritoneal cavity, subperitoneal space and perineal region.
 

Femal pelvis region anatomy : anatomical structures on a coronal slice magnetic resonance imaging.


Anatomical parts

  • Acetabulum - Acetabulum
  • Adductor brevis - Musculus adductor brevis
  • Adductor longus - Musculus adductor longus
  • Adductor magnus - Musculus adductor magnus
  • Ala of ilium; Wing of ilium - Ala ossis ilii
  • Ala; Wing of sacrum - Ala ossis sacri
  • Alimentary system - Systema digestorium
  • Anal canal - Canalis analis
  • Anatomical structures - Anatomical parts
  • Anococcygeal body; Anococcygeal ligament - Corpus anococcygeum; Ligamentum anococcygeum
  • Anorectal flexure; Perineal flexure - Flexura anorectalis; Flexura perinealis
  • Anterior inferior iliac spine - Spina iliaca anterior inferior
  • Anterior part - Pars anterior (Vaginal fornix - Fornix vaginae)
  • Anterior sacral foramina - Foramina sacralia anteriora
  • Anterior wall - Paries anterior
  • Antero-posterior diameter of pelvic inlet (13 cm) - Antero-posterior diameter of pelvic inlet (11 cm)
  • Antero-posterior diameter of pelvic outlet (10 cm) - Antero-posterior diameter of pelvic outlet (10 cm)
  • Apex of bladder - Apex vesicae
  • Arcuate line - Linea arcuata
  • Arteries - Arteriae
  • Body of bladder - Corpus vesicae
  • Body of ilium - Corpus ossis ilii
  • Body of uterus - Corpus uteri
  • Bulbospongiosus - Musculus bulbospongiosus
  • Caecum - Caecum
  • Clitoris - Clitoris
  • Deep transverse perineal muscle - Musculus transversus perinei profundus
  • Descending colon - Colon descendens
  • Diagrams - Diagrams
  • Endometrium - Tunica mucosa; Endometrium
  • External anal sphincter - Musculus sphincter ani externus
  • External iliac artery - Arteria iliaca externa
  • External iliac vein - Vena iliaca externa
  • External oblique - Musculus obliquus externus abdominis
  • External urethral orifice - Ostium urethrae externum
  • External urethral sphincter female - Musculus sphincter urethrae externus
  • Female urethra - Urethra feminina
  • Fundus of bladder - Fundus vesicae
  • Fundus of uterus - Fundus uteri
  • Gemellus inferior; Inferior gemellus - Musculus gemellus inferior
  • Gemellus superior; Superior gemellus - Musculus gemellus superior
  • Genital organs - Genital organs
  • Gluteus maximus - Musculus gluteus maximus
  • Gluteus medius - Musculus gluteus medius
  • Gluteus minimus - Musculus gluteus minimus
  • Greater sciatic foramen - Foramen - Foramen ischiadicum majus
  • Greater trochanter - Trochanter major
  • Head - Caput femoris
  • Hide - Hide
  • Ileum - Ileum
  • Iliacus - Musculus iliacus
  • Iliococcygeus - Musculus iliococcygeus (Levator ani - Musculus levator ani)
  • Inferior gluteal artery - Arteria glutea inferior
  • Inferior gluteal vein - Vena gluteae inferiore
  • Inferior pubic ramus - Ramus inferior ossis pubis
  • Inguinal ligament - Ligamentum inguinale; Arcus inguinalis
  • Internal iliac artery - Arteria iliaca interna
  • Internal iliac vein - Vena iliaca interna
  • Internal oblique - Musculus obliquus internus abdominis
  • Internal pudendal artery - Arteria pudenda interna
  • Internal pudendal vein - Vena pudenda interna
  • Internal urethral orifice - Ostium urethrae internum
  • Ischial spine - Spina ischiadica
  • Ischial tuberosity - Tuber ischiadicum
  • Ischioanal fossa - Fossa ischioanalis
  • Ischiocavernosus - Musculus ischiocavernosus
  • Ischiococcygeus; Coccygeus - Musculus ischiococcygeus; Musculus coccygeus
  • Isthmus of uterus - Isthmus uteri
  • Junctional zone - Junctional zone
  • L5 - L5
  • Labium majus - Labium majus pudendi
  • Labium minus - Labium minus pudendi
  • Lateral part - Pars lateralis (Vaginal fornix - Fornix vaginae)
  • Left ovarian vein - Vena ovarica sinistra
  • Lesser sciatic foramen - Foramen - Foramen ischiadicum minus
  • Lesser trochanter - Trochanter minor
  • Linea alba - Linea alba
  • Mons pubis - Mons pubis
  • Muscles - Musculi
  • Myometrium - Tunica muscularis; Myometrium
  • Neck - Collum femoris
  • Neck of bladder - Cervix vesicae; Collum vesicae
  • Nerves - Nerves
  • Obturator artery - Arteria obturatoria
  • Obturator canal - Canalis obturatorius
  • Obturator externus - Musculus obturatorius externus
  • Obturator foramen - Foramen - Foramen obturatum
  • Obturator internus - Musculus obturatorius internus
  • Obturator membrane - Membrana obturatoria
  • Obturator vein - Vena obturatoriae
  • Ovarian artery - Arteria ovarica
  • Ovary - Ovarium
  • Parametrium - Parametrium
  • Pararectal fossa - Fossa pararectalis
  • Pectineus - Musculus pectineus
  • Pelvic diaphragm; Pelvic floor - Diaphragma pelvis
  • Pelvic girdle - Cingulum pelvicum; Cingulum membri inferioris
  • Pelvic measurements - Pelvic measurements
  • Perineal fascia; Superficial investing fascia of perineum - Fascia perinei; Fascia investiens perinei superficialis
  • Perineal membrane - Membrana perinei
  • Perineal region - Regio perinealis
  • Peritoneal cavity - Cavitas peritonealis
  • Piriformis - Musculus piriformis
  • Posterior inferior iliac spine - Spina iliaca posterior inferior
  • Posterior part - Pars posterior (Vaginal fornix - Fornix vaginae)
  • Posterior wall - Paries posterior
  • Promontory - Promontorium
  • Psoas major - Musculus psoas major
  • Pubic symphysis - Symphysis pubica
  • Pubic tubercle - Tuberculum pubicum
  • Puborectalis - Musculus puborectalis (Levator ani - Musculus levator ani)
  • Pudendal canal - Canalis pudendalis
  • Pudendal nerve - Nervus pudendus
  • Quadratus femoris - Musculus quadratus femoris
  • Rectouterine pouch female - Excavatio rectouterina female
  • Rectovaginal fascia; Rectovaginal septum female - Fascia rectovaginalis; Septum rectovaginale female
  • Rectum - Rectum
  • Rectus abdominis - Musculus rectus abdominis
  • Rectus femoris - Musculus rectus femoris
  • Retropubic space - Spatium retropubicum
  • Round ligament of uterus - Ligamentum teres uteri
  • Sacral plexus - Plexus sacralis
  • Sacrospinous ligament - Ligamentum sacrospinale
  • Sacrotuberous ligament - Ligamentum sacrotuberale
  • Sacrum [sacral vertebrae I - V] - Os sacrum [vertebrae sacrales I - V]
  • Sartorius - Musculus sartorius
  • Sciatic nerve - Nervus ischiadicus
  • Sigmoid colon - Colon sigmoideum
  • Spaces / Foramina - Spaces / Foramina
  • Subperitoneal space - Subperitoneal space
  • Superior gluteal artery - Arteria glutea superior
  • Superior gluteal vein - Vena gluteae superiore
  • Superior pubic ramus - Ramus superior ossis pubis
  • Supravaginal part - Portio supravaginalis cervicis
  • Suspensory ligament of ovary; Infundibulopelvic ligament female - Ligamentum suspensorium ovarii female
  • T1 - T1
  • T2 - T2
  • Transverse diameter of pelvic inlet (13 cm) - Transverse diameter of pelvic inlet (13 cm)
  • Transverse diameter of pelvic outlet (11 cm) - Transverse diameter of pelvic outlet (11 cm)
  • Transversus abdominis; Transverse abdominal - Musculus transversus abdominis
  • Trigone of bladder - Trigonum vesicae
  • Umbilical artery - Arteria umbilicalis
  • Ureter - Ureter
  • Ureteric orifice - Ostium ureteris
  • Uretrovaginal space - Uretrovaginal space
  • Urinary bladder - Vesica urinaria
  • Urinary system - Systema urinarium
  • Uterine artery - Arteria uterina
  • Uterine horn - Cornu uteri
  • Uterine tube - Tuba uterina; Salpinx
  • Uterine veins - Venae Uterinae
  • Uterosacral ligament; Rectouterine ligament - Ligamentum rectouterinum
  • Vagina - Vagina
  • Vaginal part - Portio vaginalis cervicis
  • Veins - Vena
  • Vesical veins - Venae vesicales
  • Vesicouterine pouch female - Excavatio vesicouterina female
  • Vesicovaginal space - Vesicovaginal space
  • Vestibular fossa - Fossa vestibuli vaginae
  • Weightings - Weightings

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