Androgen Receptors Expression in Pituitary of Male Viscacha in relation to Growth and Reproductive Cycle

Table 1

AR expression in pituitary PD of male viscachas.

	Distribution	Immunostaining pattern	Morphological characteristics
MP-FETUS	Isolated or in small groups	Cytoplasmic and homogeneous	Oval or spherical cells
LP-FETUS	Isolated or in small groups	Cytoplasmic and homogeneous	Oval or spherical cells
Immature	Isolated or in small groups	Homogeneous and heterogeneous cytoplasm,; some intensely stained nuclei	Cells oval in shape
Prepubertal	Isolated or in groups	Homogeneous cytoplasm,; intensely nuclear staining	Irregular cells
Adult-Rep. P.	Isolated or in small groups	Nuclear immunoreactivity,; scarce immunostained cytoplasms	Oval, spherical, or irregular cells
Adult-Reg. P.	Isolated	Nuclear immunoreactivity,; scarce immunostained cytoplasms	Small and spherical cytoplasm
Adult-Rec. P.	Isolated or in small groups	Nuclear immunoreactivity,; intense cytoplasmic staining	Spherical, oval, or irregular cytoplasms and nuclei,; short cytoplasmic prolongation