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. 2018 Mar 15;9:106. doi: 10.3389/fendo.2018.00106

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Copyright © 2018 Caba, González-Mariscal and Meza.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Behavioral, physiological, and neural changes throughout circadian lactation in the rabbit doe. Abbreviations: A10vr, A10 ventral rostral; A10m, A10 medial; A10p, A10 posterior; FOS, c-Fos protein; mPFC, medial prefrontal cortex; NA, nucleus accumbens; OT, oxytocin; PHDA, periventricular hypophysial dopaminergic cells; POA, preoptic area; PVN, paraventricular nucleus of the hypothalamus; SON, supraoptic nucleus; TIDA, tuberoinfundibular dopaminergic cells; VTA, ventral tegmental area. In non-pregnant, non-lactating females FOS protein rhythms reach a peak at different hours in different structures, but in lactating does all of these rhythms shift to the hour of nursing. Figure derived from data previously published in Ref. (44, 49, 62–64, 66, 79, 80).