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Cited by 594

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Hormone Accumulation in a Sexually Dimorphic Motor Nucleus of the Rat Spinal Cord

Breedlove, S. Marc, Arnold, Arthur P.·1980·Science

Abstract

The fifth and sixth lumbar segments of the rat spinal cord were found to contain a sexually dimorphic nucleus, the spinal nucleus of the bulbocavernosus (SNB). The SNB, which contains motoneurons innervating perineal striated muscles in normal male rats, is diminished or absent in normal females and in males with a genetic mutation rendering them insensitive to androgens. The presence of the nucleus is apparently not dependent on genetic sex, but on the action of androgens. The motoneurons of the adult male SNB accumulate hormone after systemic injections of radioactive testosterone or dihydrotestosterone, but not estradiol, and the SNB motoneurons accumulate more of the injected androgens than do other motoneurons in the same spinal segments. These results demonstrate a morphological sex difference in hormone-sensitive motoneurons that are probably involved in the sexually dimorphic copulatory behavior of the rat.

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Crossref · 10.1126/science.7423210

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Metadata

Authors
Breedlove, S. M., & Arnold, A. P.
Venue
Science
Published
1980-10-31
Volume
210
Issue
4469
Pages
564-566
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1995114201
Cited by
594
References
1
FWCI
8.37
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Hormone Accumulation in a Sexually Dimorphic Motor Nucleus of the Rat Spinal Cord. https://app.cochat.ai/papers/10.1126/science.7423210
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Breedlove, S. M., & Arnold, A. P. (1980). Hormone Accumulation in a Sexually Dimorphic Motor Nucleus of the Rat Spinal Cord. Science. https://doi.org/10.1126/science.7423210

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