Table 1.

Key morphological findings in the Tfm rodent brain

Morphological findings in the TFM Rodent Central Nervous System
Region	Species	Morphological Characteristics	Tfm ♂s are:	References
MePD	Rat	Volume: wt ♂ > Tfm ♂ > wt ♀. Soma Size: wt ♂ > Tfm ♂ > wt ♀.	Intermediate Intermediate	Morris et al, 2005
SCN		Volume: wt ♂ > Tfm ♂ ≈ wt ♀. Soma Size: wt ♂ > Tfm ♂ ≈ wt ♀, but wt ♂ ≈ wt ♀.	Feminine Feminine?	Morris et al, 2005
VMHdm		Volume: No significant group differences. Soma Size: wt ♂ > Tfm ♂ ≈ wt ♀.	--- Feminine	Dugger et al, 2007
VMHvl		Volume: wt ♂ > Tfm ♂ ≈ wt ♀. Soma Size: wt ♂ > wt ♀, but Tfm ♂ not significantly different from either sex.	Feminine Intermediate?	Dugger et al, 2007
BSTMPM(Left Hemisphere)		Volume: wt ♂ > Tfm ♂ ≈ wt ♀. Soma Size: No significant group differences.	Feminine ---	Durazzo et al, 2007
SDN-POA		Volume: wt ♂ ≈ Tfm ♂ > wt ♀. Soma Size: wt ♂ > Tfm ♂ ≈ wt ♀, but wt ♂ ≈ wt ♀.	Masculine Feminine?	Morris et al, 2005
LC		Volume: wt ♂ < Tfm ♂ ≈ wt ♀. Neuron Number: wt ♂ < Tfm ♂ ≈ wt ♀.	Feminine Feminine	Garcia-Falgueras et al, 2005
DG		Volume: wt ♂ ≈ Tfm ♂ > wt ♀, but wt ♂ not significantly different from either group.	Masculine?	Jones and Watson, 2005
SNB		Neuron Number: wt ♂ > Tfm ♂ ≈ wt ♀. Soma Size: wt ♂ > Tfm ♂ ≈ wt ♀.	Feminine Feminine	Breedlove and Arnold, 1981
LS	Mouse	AVP Density: wt ♂ ≈ Tfm ♂ > wt ♀.	Masculine	Scordalakes and Rissman, 2004

MePD: posterodorsal medial amygdala; SCN: suprachiasmatic nucleus; VMHdm: dorsomedial aspect of the ventromedial hypothalamus; VMHvl: ventrolateral aspect of the ventromedial hypothalamus; BSTMPM: posteromedial nucleus of the bed nucleus of the stria terminalis; SDN-POA: sexually dimorphic nucleus of the preoptic area; LC: locus coeruleus; DG: dentate gyrus; SNB: spinal nucleus of the bulbocavernosus; LS: lateral septum; AVP: arginine vasopressin.