Response of medial medullary neurons to preoptic and scrotal thermal stimulation and to preoptic microinjection of capsaicin

Y. Ishikawa; T. Nakayama; K. Kanosue; K. Matsumura

doi:10.1016/0306-4565(84)90036-6

Response of medial medullary neurons to preoptic and scrotal thermal stimulation and to preoptic microinjection of capsaicin

Y. Ishikawa, T. Nakayama, K. Kanosue, K. Matsumura

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

1. 1. The neuronal discharges of medullary neurons were recorded in urethane-anaesthetized rats in response to three stimulations which produced tail vasodilation, i.e. preoptic warming, scrotal warming and preoptic microinjection of capsaicin. 2. 2. The number of neurons responding to the three stimulations in the same direction amounted to approx. 70% of the total number studied. The number of neurons responding with facilitation was about 5 times as many as those responding with inhibition. 3. 3. These medullary neurons are mostly located in the nucleus reticularis gigantocellularis.

Original language	English
Pages (from-to)	47-50
Number of pages	4
Journal	Journal of Thermal Biology
Volume	9
Issue number	1-2
DOIs	https://doi.org/10.1016/0306-4565(84)90036-6
Publication status	Published - 1984 Apr
Externally published	Yes

Keywords

POAH cold-senstivie neuron
POAH warm-sensitive neuron
Preoptic area and anterior hypothalamus (POAH)
capsaicin
medullary neuron
nucleus reticularis gigantocellularis (NGC)
preoptic warming
rats
scrotal warming
tail vasodilation

ASJC Scopus subject areas

Biochemistry
Physiology
Agricultural and Biological Sciences(all)
Developmental Biology

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title = "Response of medial medullary neurons to preoptic and scrotal thermal stimulation and to preoptic microinjection of capsaicin",

abstract = "1. 1. The neuronal discharges of medullary neurons were recorded in urethane-anaesthetized rats in response to three stimulations which produced tail vasodilation, i.e. preoptic warming, scrotal warming and preoptic microinjection of capsaicin. 2. 2. The number of neurons responding to the three stimulations in the same direction amounted to approx. 70% of the total number studied. The number of neurons responding with facilitation was about 5 times as many as those responding with inhibition. 3. 3. These medullary neurons are mostly located in the nucleus reticularis gigantocellularis.",

keywords = "POAH cold-senstivie neuron, POAH warm-sensitive neuron, Preoptic area and anterior hypothalamus (POAH), capsaicin, medullary neuron, nucleus reticularis gigantocellularis (NGC), preoptic warming, rats, scrotal warming, tail vasodilation",

author = "Y. Ishikawa and T. Nakayama and K. Kanosue and K. Matsumura",

year = "1984",

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AU - Ishikawa, Y.

AU - Nakayama, T.

AU - Kanosue, K.

AU - Matsumura, K.

PY - 1984/4

Y1 - 1984/4

N2 - 1. 1. The neuronal discharges of medullary neurons were recorded in urethane-anaesthetized rats in response to three stimulations which produced tail vasodilation, i.e. preoptic warming, scrotal warming and preoptic microinjection of capsaicin. 2. 2. The number of neurons responding to the three stimulations in the same direction amounted to approx. 70% of the total number studied. The number of neurons responding with facilitation was about 5 times as many as those responding with inhibition. 3. 3. These medullary neurons are mostly located in the nucleus reticularis gigantocellularis.

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KW - Preoptic area and anterior hypothalamus (POAH)

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KW - rats

KW - scrotal warming

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