Nuclear bag fiber This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Nuclear_bag_fiber".
1 to 3 nuclear bag fibres lie in the centre of each intrafusal muscle fibre of a muscle spindle. Each has a large number of nuclei concentrated in bags and they cause excitation of both the primary and secondary nerve fibres.
Touch/mechanoreceptors: Pacinian corpuscles – vibration • Meissner's corpuscles – light touch • Merkel's discs – pressure • Ruffini endings • Free nerve endings – pain • Hair cells • Baroreceptor
Proprioception: Golgi organ – tension/length • Muscle spindle – velocity of change (Intrafusal muscle fiber • Nuclear chain fiber • Nuclear bag fiber)
Pain: Nociception and Nociceptors
Temperature: Thermoreceptors