Maternal care effects on the development of a sexually dimorphic motor system: The role of spinal oxytocin
β Scribed by Kathryn M. Lenz; Dale R. Sengelaub
- Book ID
- 116983105
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 558 KB
- Volume
- 58
- Category
- Article
- ISSN
- 0018-506X
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The rat lumbar spinal cord contains the testosterone-dependent spinal nucleus of the bulbocavernosus (SNB), whose motoneurons innervate perineal muscles involved in copulatory reflexes. In normal males, SNB dendrites grow exuberantly through the first 4 weeks postnatally. This growth is steroid-depe
Motoneurons in the spinal nucleus of the bulbocavernosus (SNB) innervate the perineal muscles, bulbocavernosus (BC), and levator ani (LA). Testosterone regulates the survival of SNB motoneurons and BC/LA muscles during perinatal life. Previous findings suggest that effects of testosterone on this sy