calculated on a per cell basis , spermatozoa from the caput epididymis have significantly more ft activity than do spermatozoa from the cauda epididymis ( 18.07 +/- 2.2 pmol/million cells compared with 2.8 +/- 0.09 pmol/million cells ) .
C0014533
epididymis
C0228024
cauda epididymis