Class 1 Flashcards
Uterus: Definition and Regions
Pear shaped muscular organ 4 regions: Fundus Corpus Isthmus Cervix
Layers of the Uterus: What are the 3 tissue layers?
SEROSA (PERIMETRIUM) -Outermost MYOMETRIUM -Middle layer ENDOMETRIUM -Innermost: functional layer
Uterus Shape And Size: What are they and what are their variations?
VARIES WITH AGE AND OBSTETRIC HX
Prior to menarche - cylindrical and narrow
Mature uterus - corpus & fundus enlarge
After menopause - regresses in size
Nulliparous female:
SAG = less than or equal to 8 cm
TRV = up to 5 cm
AP = 3 cm
What are the 3 variants in uterine position?
Normal
Retroverted: laid back
Anteverted: shlumped forward
Retroflexed: folded backwards
ANTEFLEXED Uterine Position
Uterine fundus and corpus tilted forward
RETROFLEXED Uterine Position
Corpus and fundus tilted posteriorly
RETROFLEXED and RETROVERTED Uterine Position
Corpus, fundus and cervix are tilted posteriorly
UTERUS MYOMETRIUM: Ultrasound Appearance
- Mid gray or medium level echoes
- Even homogeneous texture and pattern
- Smooth even contour
ENDOMETRIAL CAVITY: Ultrasound Appearance
- Thin echogenic line
- Varies in thickness in relation to menstrual phase
Vagina: Ultrasound Appearance
- Mid gray to medium level echoes
- Vaginal canal is hyperechoic line
Fallopian Tubes: What are the 4 Portions?
INTERSTITIAL (INTRAMURAL): Narrowest part, nearest cornu ISTHMUS: Slightly wavy and longer AMPULLA: Tortuous and longest part INFUNDIBULUM: Lateral, trumpet shaped, fimbriae
INTERSTITIAL (INTRAMURAL): Portion of the Fallopian Tubes
Narrowest part, nearest cornu
ISTHMUS: Portion of the Fallopian Tubes
Slightly wavy and longer
AMPULLA: Portion of the Fallopian Tubes
Tortuous and longest part
INFUNDIBULUM: Portion of the Fallopian Tubes
Lateral, trumpet shaped,
fimbriae