RESPONSESOFELECTRORECEPTORS INTHESNOUT (1988)
J E Gregory, A Iggo, A K Mcintyre, U Proske, J. Physiol, J. E. Gregory, ...
This is the final published version of this article; it is available
Thesis (M.Agr.Sc.(Hons.))--University of New Zealand, 1947.
The central projection of electrosensory information in the platypus.
Iggo, A, Gregory, J E, Proske, U
1. This is the first detailed description of the projection to the cerebral cortex of afferent information coming from electroreceptors in the bill of the platypus, Ornithorhynchus anatinus. 2. In...
Responses of electroreceptors in the snout of the echidna.
Gregory, J E, Iggo, A, McIntyre, A K, Proske, U
1. This is a report of experiments which provide evidence in support of the existence of an electric sense in the echidna, or spiny anteater Tachyglossus aculeatus. It is the first known example of...
Responses of electroreceptors in the platypus bill to steady and alternating potentials.
Gregory, J E, Iggo, A, McIntyre, A K, Proske, U
1. This is a report of further observations on the response characteristics of electroreceptors in the bill of the platypus, Ornithorhynchus anatinus, first described by Gregory, Iggo, McIntyre &...
Receptors in the bill of the platypus.
Gregory, J E, Iggo, A, McIntyre, A K, Proske, U
1. Afferent responses were recorded from filaments of the trigeminal nerve in each of two platypuses (Ornithorhynchus anatinus) anaesthetized with alpha-chloralose. All receptive fields were located...
Membrane properties of nociceptive neurones in lamina II of lumbar spinal cord in the cat.
Iggo, A, Molony, V, Steedman, W M
1. Intracellular recordings were made from neurones in lamina II of the dorsal horn of the lumbar spinal cord of the cat, and the electrotonic responses to brief rectangular current pulses of up to...
Single-unit afferent activity was recorded from the hepatic-duodenal branch of the vagus nerve of chloralose-anaesthetized sheep during acute electrophysiological experiments. The impulse activity of...
The proposal that some post-prandially released alimentary hormones modify ingestive behaviour and gastric emptying by altering impulse activity in alimentary enteroceptors has been tested using a...
Mucosal enteroceptors with vagal afferent fibres in the proximal duodenum of sheep.
Single-unit afferent activity was recorded from the hepatic-duodenal nerve of chloralose-anaesthetized sheep using electrophysiological techniques. Impulse activity was examined while the duodenal...
The tract of Lissauer and the dorsal root potential.
Cervero, F, Iggo, A, Molony, V
1. Intersegmental dorsal root potentials (d.r.p.s) have been recorded in the lumbar spinal cord of spinalized cats under Na pentobarbitone anaesthesia, to investigate the spinal cord structures...
Electrophysiology of the afferent innervation of the penis of the domestic ram.
Cottrell, D F, Iggo, A, Kitchell, R L
1. The discharge of impulses in afferent fibres dissected from the dorsal nerve of the penis of chloralose-anaesthetized rams was recorded electrophysiologically during controlled natural stimulation...
1. A total of fifty-four mechanoreceptor afferent units with fast conducting axons in the tibial nerve innervating the glabrous skin of the hind leg were isolated in anaesthetized cats. 2. Twenty-six...
Responses of spinocervical tract neurones to noxious stimulation of the skin.
Cervero, F, Iggo, A, Molony, V
1. Activity of single spinocervical tract neurones has been recorded in the lumbar spinal cord of chloralose anaesthetized or decerebrated cats. Reversible spinalization was produced by cold block at...
Cutaneous thermoreceptors in primates and sub-primates
1. Cutaneous thermoreceptors were examined electrophysiologically in primates (monkey, baboon) and in sub-primates (dog and rat) by recording from single units dissected from peripheral nerves.
The structure and function of a slowly adapting touch corpuscle in hairy skin
1. Slowly adapting cutaneous mechanoreceptors, in the cat and primates, have been studied by histological and neurophysiological methods.
Functional characteristics of mechanoreceptors in sinus hair follicles of the cat
1. The discharge of impulses in afferent fibres dissected from the infraorbital and ulnar nerves of anaesthetized cats was recorded during controlled movements of the maxillary and carpal sinus hairs.
A quantitative study of C-mechanoreceptors in hairy skin of the cat.
1. Single C-mechanorecptor afferent units were examined by recording from fibres dissected from the saphenous nerves of cats anaesthetized with chloralose. The receptive fields, averaging 4 X 3 mm...
Conduction failure in myelinated and non-myelinated axons at low temperatures
1. The effects of low temperature on conduction in single myelinated and non-myelinated axons of the feline saphenous nerve were examined and compared. Nerves were cooled by a conventional thermode,...
1. A method for obtaining reticulo-ruminal movements for up to 19 hr in halothane-anaesthetized sheep is described. The duration, wave form and frequency of the movements resembles those in the...
A quantitative study of cutaneous receptors and afferent fibres in the cat and rabbit
1. The discharge in myelinated afferent fibres innervating hairs in anaesthetized cats and rabbits, dissected from the saphenous nerve, was recorded during controlled movements of the hairs.
An electrophysiological study of some reticulo-ruminal and abomasal reflexes in sheep
1. In halothane-anaesthetized sheep in which reticulo-ruminal (gastric) contractions were present, nervous discharges have been recorded electrophysiologically in sixty-four single efferent gastric...
The central projection of electrosensory information in the platypus.
Iggo, A, Gregory, J E, Proske, U
1. This is the first detailed description of the projection to the cerebral cortex of afferent information coming from electroreceptors in the bill of the platypus, Ornithorhynchus anatinus. 2. In...
Responses of electroreceptors in the snout of the echidna.
Gregory, J E, Iggo, A, McIntyre, A K, Proske, U
1. This is a report of experiments which provide evidence in support of the existence of an electric sense in the echidna, or spiny anteater Tachyglossus aculeatus. It is the first known example of...
Responses of electroreceptors in the platypus bill to steady and alternating potentials.
Gregory, J E, Iggo, A, McIntyre, A K, Proske, U
1. This is a report of further observations on the response characteristics of electroreceptors in the bill of the platypus, Ornithorhynchus anatinus, first described by Gregory, Iggo, McIntyre &...
Receptors in the bill of the platypus.
Gregory, J E, Iggo, A, McIntyre, A K, Proske, U
1. Afferent responses were recorded from filaments of the trigeminal nerve in each of two platypuses (Ornithorhynchus anatinus) anaesthetized with alpha-chloralose. All receptive fields were located...
Membrane properties of nociceptive neurones in lamina II of lumbar spinal cord in the cat.
Iggo, A, Molony, V, Steedman, W M
1. Intracellular recordings were made from neurones in lamina II of the dorsal horn of the lumbar spinal cord of the cat, and the electrotonic responses to brief rectangular current pulses of up to...
Single-unit afferent activity was recorded from the hepatic-duodenal branch of the vagus nerve of chloralose-anaesthetized sheep during acute electrophysiological experiments. The impulse activity of...
The proposal that some post-prandially released alimentary hormones modify ingestive behaviour and gastric emptying by altering impulse activity in alimentary enteroceptors has been tested using a...
Mucosal enteroceptors with vagal afferent fibres in the proximal duodenum of sheep.
Single-unit afferent activity was recorded from the hepatic-duodenal nerve of chloralose-anaesthetized sheep using electrophysiological techniques. Impulse activity was examined while the duodenal...
The tract of Lissauer and the dorsal root potential.
Cervero, F, Iggo, A, Molony, V
1. Intersegmental dorsal root potentials (d.r.p.s) have been recorded in the lumbar spinal cord of spinalized cats under Na pentobarbitone anaesthesia, to investigate the spinal cord structures...
Electrophysiology of the afferent innervation of the penis of the domestic ram.
Cottrell, D F, Iggo, A, Kitchell, R L
1. The discharge of impulses in afferent fibres dissected from the dorsal nerve of the penis of chloralose-anaesthetized rams was recorded electrophysiologically during controlled natural stimulation...
1. A total of fifty-four mechanoreceptor afferent units with fast conducting axons in the tibial nerve innervating the glabrous skin of the hind leg were isolated in anaesthetized cats. 2. Twenty-six...
Responses of spinocervical tract neurones to noxious stimulation of the skin.
Cervero, F, Iggo, A, Molony, V
1. Activity of single spinocervical tract neurones has been recorded in the lumbar spinal cord of chloralose anaesthetized or decerebrated cats. Reversible spinalization was produced by cold block at...
Cutaneous thermoreceptors in primates and sub-primates
1. Cutaneous thermoreceptors were examined electrophysiologically in primates (monkey, baboon) and in sub-primates (dog and rat) by recording from single units dissected from peripheral nerves.
The structure and function of a slowly adapting touch corpuscle in hairy skin
1. Slowly adapting cutaneous mechanoreceptors, in the cat and primates, have been studied by histological and neurophysiological methods.
Functional characteristics of mechanoreceptors in sinus hair follicles of the cat
1. The discharge of impulses in afferent fibres dissected from the infraorbital and ulnar nerves of anaesthetized cats was recorded during controlled movements of the maxillary and carpal sinus hairs.
A quantitative study of C-mechanoreceptors in hairy skin of the cat.
1. Single C-mechanorecptor afferent units were examined by recording from fibres dissected from the saphenous nerves of cats anaesthetized with chloralose. The receptive fields, averaging 4 X 3 mm...
Conduction failure in myelinated and non-myelinated axons at low temperatures
1. The effects of low temperature on conduction in single myelinated and non-myelinated axons of the feline saphenous nerve were examined and compared. Nerves were cooled by a conventional thermode,...
1. A method for obtaining reticulo-ruminal movements for up to 19 hr in halothane-anaesthetized sheep is described. The duration, wave form and frequency of the movements resembles those in the...
A quantitative study of cutaneous receptors and afferent fibres in the cat and rabbit
1. The discharge in myelinated afferent fibres innervating hairs in anaesthetized cats and rabbits, dissected from the saphenous nerve, was recorded during controlled movements of the hairs.
An electrophysiological study of some reticulo-ruminal and abomasal reflexes in sheep
1. In halothane-anaesthetized sheep in which reticulo-ruminal (gastric) contractions were present, nervous discharges have been recorded electrophysiologically in sixty-four single efferent gastric...
Sensory receptors in monotremes.
Proske, U, Gregory, J E, Iggo, A
This is a summary of the current knowledge of sensory receptors in skin of the bill of the platypus, Ornithorhynchus anatinus, and the snout of the echidna, Tachyglossus aculeatus. Brief mention is...
The effects of bradykinin and prostaglandin E1 on rat cutaneous afferent nerve activity.
1 The activity produced by intra-arterial bradykinin and prostaglandin E1 was investigated in multifibre strands dissected from the saphenous nerves of anaesthetized rats. 2 Bradykinin (0.5-10mug)...
McQueen, D. S., Iggo, A., Birrell, G. J., Grubb, B. D.
1. The effects of paracetamol and lysine acetylsalicylate (L-AS) on high-threshold mechanonociceptors have been investigated by recording neural activity from the inflamed ankle joint in...
The effects of 5-HT on articular sensory receptors in normal and arthritic rats.
Birrell, G. J., McQueen, D. S., Iggo, A., Grubb, B. D.
1. The effects of intra arterial (i.a.) injections of 5-hydroxytryptamine (5-HT, 1-100 micrograms) on the discharge of (a) identified articular high threshold mechanoreceptors and (b) unidentified...