Follicular Development and Secretion of Ovarian Hormones during the Juvenile and Adult Reproductive Lives of the Myelin Mutant taiep Rat: An Animal Model of Demyelinating Diseases

Table 1

Classification of follicles in the base of morphological criteria.

Initials	Follicle	Granulosa layer thickness (μm)	Follicular diameter (μm)	Ideal morphology
P	Primary	<20	<100
SA	Secondary A	20–30	100–150
SB	Secondary B	30–40	150–200
PA	Preantral A	40–60	200–300
PB	Preantral B	60–80	300–400
AA	Antral A	60–90	400–500
AB	Antral B	60–100	>500