Vasodilatation in the submaxillary gland of the rabbit

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Abstract
1. In the rabbit, in contrast to the cat and dog, the vasodilatation and the secretion in the submaxillary gland which accompany parasympathetic nerve stimulation are correspondingly sensitive to atropine block. 2. It is concluded that true vasodilator nerve fibres to the submaxillary gland exist in the chorda tympani nerve of the rabbit. 3. The vasodilatation which follows sympathetic vasoconstriction in the submaxillary gland of the rabbit is small and variable. The possibility that this after‐dilatation is due to an adrenergic neurotransmitter agent acting on β‐vascular receptors is discussed.