Skip to main content

Table 1 Differences in the resting membrane potential (Rm) and the permeability ratio

From: Hamster oocyte membrane potential and ion permeability vary with preantral cumulus cell attachment and developmental stage

 

CUMULUS ENCLOSED

 

DENUDED

 
 

Preantral

Metaphase II

Preantral

Metaphase II

OOCYTE Rm n = 10

-38.4 ± 4.5 mV+,++

-19.7 ± 0.8 mV

-19.7 ± 0.5 mV

-19.8 ± 0.5 mV

CUMULUS Rm n = 3

-28.6 ± 1.2 mV*

   

OOCYTE PNa/PK n = 10

0.33 ± 0.03**

0.76 ± 0.04

0.79 ± 0.014

0.77 ± 0.02

Back to article page

BMC Developmental Biology

ISSN: 1471-213X

Contact us