VAS DEFERENS

synonyms
- ductus deferens , vas deferens , deferent duct
definition
- thickwalled muscular tube transmits spermatozoa from epididymis to ejaculatory duct
length
- 45cm
arterial supply
nerve supply
histology
location
- inside scrotum
  - begins as
    - continuation of tail of epididymis
      - posterior border of testis
        
        tortuous
        
        gradually straighten
        
        ascends medial to epididymis
- inside inguinal canal
  - spermatic cord
    - lies vertically in posterior part
      - runs upwards to superficial inguinal ring
- in greater pelvis
  - at deep inguinal ring
    - leaves spermatic cord
      - hooks round lateral side of inferior epigastric artery
        
        passes backwards and medially
        
        across external iliac vessels
        
        enters in
- in lesser pelvis