794:
42:, which provokes the first estrus. The Vandenbergh effect has also been seen with exposure to adult female mice. When an immature female mouse is exposed to the urine of mature female mouse, estrus is delayed in the prepubertal female. In this situation, GnRH is inhibited and therefore delays puberty in the juvenile female mouse.
60:
estradiol implanted in male mice, researchers have been able to trace the pathways the estradiol takes once transmitted to a female. The estradiol was found in a multitude of regions within the females and appeared to enter her circulation nasally and through the skin. Their findings suggested that
45:
The
Vandenbergh effect is caused by pheromones found in a male's urine. The male does not have to be present for this effect to take place; the urine alone is sufficient. These pheromones are detected by the vomeronasal organ in the septum of the female's nose. This occurs because the female body
88:
in females that had previously been inseminated. However, when resupplied with estradiol, the castrated males regained the ability to induce uterine growth or halt blastocyst implantation. These studies further support estradiol's role in mediating the
Vandenbergh effect (as well as the Bruce
46:
will only take the step to begin puberty if there are available mates around. She will not waste energy on puberty if there is no possibility of finding a mate.
728:
321:
Lombardi JR, Vandenbergh JG (1977). "Pheromonally induced sexual maturation in females: regulation by the social environment of the male".
278:"Oestradiol treatment restores the capacity of castrated males to induce both the Vandenbergh and the Bruce effects in mice (Mus musculus)"
80:
in the castrated males were below normal levels. Additionally, castration by itself rid the males of the capacity to induce growth of the
68:
Additional studies have looked into the validity of estradiol's role in the
Vandenbergh effect by means of exogenous estradiol placed in
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237:"Oestradiol transmission from males to females in the context of the Bruce and Vandenbergh effects in mice (Mus musculus)"
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has recently implicated as having a role in the
Vandenbergh effect. Utilizing
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125:"Partial isolation of a pheromone accelerating puberty in female mice"
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Physiologically, the exposure to male urine induces the release of
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in prepubertal female mice occurs as a result of exposure to the
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76:(oil) or estradiol in the oil vehicle. As expected, urinary
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357:
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in prepubescent females or to disrupt implantation of the
218:"Why Teenage Girls Are Hitting Puberty At an Earlier Age"
35:-laden urine of a sexually mature (dominant) male mouse.
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320:
235:Guzzo AC, Jheon J, Imtiaz F, deCatanzaro D (2012).
72:rats. Castrated males were injected with either a
65:may be related to exogenous estradiol from males.
27:in 1975, in which an early induction of the first
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190:
123:Vandenbergh JG, Whitsett JM, Lombardi JR (1975).
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729:Association for the Study of Animal Behaviour
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23:is a phenomenon reported by J.G. Vandenbergh
197:An Introduction to Behavioral Endocrinology
734:International Society for Applied Ethology
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172:(11th ed.). Boston: Pearson. p.
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129:Journal of Reproduction and Fertility
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203:. Sinauer Associates, 2005.
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16:Hormonal phenomenon in mice
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495:Evolutionary neuroscience
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164:Carlson, Neil R. (2013).
448:Behavioral endocrinology
643:Irenäus Eibl-Eibesfeldt
423:Animal sexual behaviour
582:Tool use by non-humans
535:Philosophical ethology
480:Comparative psychology
428:Animal welfare science
343:10.1126/science.557838
168:Physiology of behavior
142:10.1530/jrf.0.0430515
49:In addition to GnRH,
688:William Homan Thorpe
453:Behavioural genetics
413:Animal consciousness
408:Animal communication
443:Behavioural ecology
335:1977Sci...196..545L
295:10.1530/REP-11-0251
254:10.1530/REP-11-0375
214:Sapolsky, Robert M.
772:Behavioral Ecology
693:Nikolaas Tinbergen
485:Emotion in animals
463:Cognitive ethology
21:Vandenbergh effect
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805:
698:Jakob von Uexküll
468:Comfort behaviour
222:Discover Magazine
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758:Animal Cognition
751:Animal Behaviour
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403:Animal cognition
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638:Richard Dawkins
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608:Patrick Bateson
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530:Pain in animals
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329:(4289): 545–6.
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315:Further reading
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199:, 3rd edition.
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683:Thomas Sebeok
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288:(1): 123–32.
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247:(4): 539–48.
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216:(June 1992).
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135:(3): 515–23.
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658:Jane Goodall
618:Donald Broom
587:Zoosemiotics
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63:Bruce effect
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648:Dian Fossey
613:Marc Bekoff
601:Ethologists
813:Categories
550:Structures
545:Stereotypy
110:References
86:blastocyst
779:Behaviour
722:Societies
560:Honeycomb
89:effect).
78:androgens
70:castrated
54:estradiol
51:exogenous
33:pheromone
819:Ethology
798:Category
743:Journals
570:Instinct
520:Learning
515:Instinct
490:Ethogram
473:Grooming
396:Branches
389:Ethology
304:22016382
263:22232744
93:See also
500:Feeding
331:Bibcode
323:Science
151:1142335
74:control
351:557838
349:
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261:
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82:uterus
25:et al.
577:Swarm
505:Hover
458:Breed
565:Nest
555:Hive
347:PMID
300:PMID
259:PMID
178:ISBN
147:PMID
40:GnRH
19:The
339:doi
327:196
290:doi
286:143
249:doi
245:143
174:335
137:doi
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