Pelvis Flashcards
Scrotal layers
Some Damned Examiner Called It The Testes
Skin
Dartos
External fascia
Cremaster
Internal fascia
parietal layer of Tunica vaginalis
Testes
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/923/a_image_thumb.jpg?1581877225)
Blood supply to prostate
Inferior vesical artery (from prostatovesical from internal pudendal + inferior gluteal branches of internal iliac artery)
Which vessel run close to deep inguinal ring
inferior epigastric artery (branch of external iliac)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/929/a_image_thumb.png?1582179242)
Sensation to anterior scrotum
ilioinguinal nerve
Sensation to posterior scrotum
pudendal nerve
True vs false pelvis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/934/a_image_thumb.png?1583072295)
Pelvic inlet
Posteriorly: S1, Ala of sacrum (wing)
Anteriorly: pubic symphysis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/937/a_image_thumb.png?1583072436)
What forms pelvic walls
Sacrospinous and sacrotuberous ligaments
Piriformis and obturator internus muscles
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/941/a_image_thumb.png?1583072755)
Pelvic floor components
Mainly: levator ani
also:
- coccygeus muscle
- fascia
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/949/a_image_thumb.png?1583073134)
Muscles of levator ani
pubococcygeus
puborectalis
iliococcygeus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/951/a_image_thumb.jpg?1592887949)
Innervation of levator ani
Pudendal S2-S4
Peritoneum cover of rectum
Top third: anterior and lateral
Middle third: anterior
Bottom third: none
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/954/a_image_thumb.png?1583073276)
Urogenital triangle dermatomes in men and women
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/959/a_image_thumb.png?1583073678)
Components of pelvic bone
Ilium
Ischium
Pubis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/960/a_image_thumb.png?1583073779)
Difference between colon and rectum laproscopically
Rectum lacks DISTINCT taeniae coli muscles, omental appendices and sacculations (haustra)
Anal canal anatomy
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/964/a_image_thumb.png?1583075086)
Anal mucosa
Above pectinate: columnar
Below pectinate: Non keratinised stratified squamous (anal pecten)
Below anocutanous line/white line: stratified squamous
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/966/a_image_thumb.png?1583075000)
Structures that cross ureters in pelvis
Male: ductus deferens
Female: uterine artery
Arterial supply to bladder
Inferior/Superior vescical arteries
(branches of internal iliac)
Venous supply of bladder
vescicoprostatic or vescicouterine plexus
(drains into internal iliac vein)
Parts of male urethra
Pre prostatic
Prostatic
Membranous
Spongy
![](https://s3.amazonaws.com/brainscape-prod/system/cm/505/124/976/a_image_thumb.png?1583076057)