NCBI Tables

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Fig. 1

Main morphological characteristics of sex differences in the brain and their ontogeny

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Main morphological characteristics of sex differences in the brain and their ontogeny. Sex differences in the brain present two morphological patterns as exemplified in the bed nucleus of the stria terminalis of the rat (BST). The medial posterior region of the BST has an M > F pattern, with males showing a greater number of neurons than females (a), while the lateral anterior region of the BST has an F > M pattern, with females showing more neurons than males (b). These two patterns of sex difference differ in their ontogeny as can be observed with respect to the number of neurons in the bed nucleus of the accessory tract (BAOT) (c) and the locus coeruleus (LC) (d) of rats. Puberty in the rat occurs between days 35 and 40. Both figures (cd) show how females present decreases (c) and increases (d) in the number of neurons around this period of life in different structures. Figures adapted with permission from Guillamon, Segovia & Del Abril, 1988; Collado, Segovia & Guillamon, 1998 and Pinos, Collado, Rodriguez-Zafra, Rodriguez, Segovia & Guillamon, 2001. E embryonic days, P postnatal days

Archives of Sexual Behavior


Table 1

Sex differences in intracranial volume and brain compartments of the adult brain

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Sex differences in intracranial volume and brain compartments of the adult brain

Table 2

Table 2

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