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Female Reproductive Anatomy ALEX HAMMANT AND PHIL COPEMAN.
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Transcript of Female Reproductive Anatomy ALEX HAMMANT AND PHIL COPEMAN.
![Page 1: Female Reproductive Anatomy ALEX HAMMANT AND PHIL COPEMAN.](https://reader030.fdocuments.net/reader030/viewer/2022032415/56649f045503460f94c185d6/html5/thumbnails/1.jpg)
Female Reproductive AnatomyALEX HAMMANT AND PHIL COPEMAN
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Defining stuff
Pelvic girdle = bony pelvis
Pelvis = the space bound by the pelvic girdle
Great pelvis = Upper abdominal region of pelvic girdle
Lesser pelvis = Lower region of pelvic girdle (pelvic cavity & perineum)
Pelvic cavity = Region between inlet and pelvic floor
Perineum = Region below the pelvic floor
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What’s what2
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Even more what’s what
Labia majora
Clitoris
Labia minora
Vaginal orifice
Perineal bodyImportant structural support
Urethral orifice
Greater vestibular glandDrain into vestibule at 5 & 7 o’clock
Vestibule
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Guess what?
Fundus
Uterine body & cavity
Cervical canalConnects vagina and uterine cavity via the external and internal os
External os
Vagina
Ampulla
Infundibulum
IsthmusUterine tubesOpen into the abdominal cavity into which ovulation takes place
Internal os
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An 19 year old girl has had pain in the inside of her thigh for the last few days. The same thing happened last month, what could be the problem?
Ovulation/cysts/tumours can impinge the obturator nerve (L2-4) which results in pain in the medial thigh, hip or knee; leading to medial thigh weakness/wasting.
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Did someone say more labelling?
Ovarian arteryForm aorta @ ~L2Ovarian, tubal & fundal lymph drainage is to para-aortic nodes
Uterine arteryHeads toward lateral cervix/fornixPasses superior to the ureter
Vaginal arteryOften a branch of the uterineCan arise independently from internal iliac
UreterPasses inferior to uterine artery (water under bridge).Very delicate and must not be ligated, crushed or moved too much
Uterine & cervical lymphaticsPass to external, internal iliac & sacral nodesSome go to palpable inguinal nodes via round ligament
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Lymph drainage summary table
Organ Lymph drainage
Ovaries Para-aortic nodes around L2 level
UterusFundus and upper bodyLower bodyCervix
Para-aortic nodesExternal iliacInternal and external iliac and sacral
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Can you describe the alignment of these uterus:cervix:vaginas?
Which is the most common?
Trick question: anteverted anteflexed is the most common alignment!
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RetrovertedAnteflexed
AntevertedRetroflexed
RetrovertedRetroflexed1 2 3
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Surely not more labels?
The broad ligament is made up of the mesometrium, mesosalpinz and mesovarium.
Suspensory ligament of ovary
Round ligament of the uterus
Round ligament of the ovary
Broad ligamentLarge double layered fold of peritoneum1
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A 16 year old girl is bleeding heavily PV, she has been the subject of a ‘backstreet abortion’. Where is she most likely to be bleeding?
The recto-uterine pouch.
What is the name of the other pouch?
Vesico-uterine pouch
How are these pouches formed?
Peritoneum covers the bladder, uterus, cervix and upper rectum
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What refers where?
Pelvic organs covered in peritoneum
Refer pain to T10-L1 (via Sympathetic nerves)
Pelvic organs not covered in peritoneum
Refer pain to S2-4 (via Parasympathetic nerves)
Pelvic pain line
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How to anaesthetise?
Sensory Neurons run with Sympathetics (T10-T12)
Spinal Block @ L3/4 (inject into CSF) & an epidural at the same level (Combined spinal epidural – CES/CSE)
Sensory Neurons run with Parasympathetics (S2-4)
Caudal epidural (sacral hiatus & canal)
Somatic sensory innervation (S2-4 Pudendal nerve)
Pudendal Nerve Block
Where do you do a pudendal nerve block?
Ischial spine!
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Where does the pudendal nerve run?
From S2-4 out of the greater sciatic foramen and then back into the pelvis via the lesser sciatic foramen.