IDENTIFICATION OF THE MAIN GENERATOR SOURCE OF LONGITUDINAL MUSCLE CONTRACTION IN THE EARTHWORM VENTRAL NERVE CORD

Identification of the main generator source of longitudinal muscle contraction in the earthworm ventral nerve cord

The main generator source of a longitudinal muscle contraction was identified as an M (mechanical-stimulus-sensitive) circuit composed of a presynaptic M-1 neuron and a postsynaptic M-2 neuron in the ventral nerve cord of the earthworm, Amynthas hawayanus, by simultaneous intracellular response recording and Lucifer Yellow-CH injection with two mic

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Strengthening of a railway arch bridge from 1854

This paper presents the inspection of the condition and the design for strengthening of an existing railway arch bridge constructed in 1854.The original arch bridge is constructed with 5 layers of bricks in the arch and granite blocks in the foundation on top of an arrangement of frame made of timber and carried by piles.From the inspection it was

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