The axial part of the system and its principal ganglions and nerves are situated in the body cavity and form a chain of ganglionson each side of the vertebral column connected with numerous other ganglions and nerve plexuses.
The three pairs of ganglions which follow those placed immediately below the oesophagus, belong to the three segments of the thorax, and give rise to the nerves of the feet and wings.
The number of these ganglions corresponds with that of the segments.
The same naturalist observes, "All the ganglions of the ventral chain are endowed with nearly the same properties, and represent each other uniformly.
The cephalic ganglions are two in number; they have been described by anatomists under the name of brain.
At the lesion of the cephalic ganglions the struggles of the cricket grow less, and the victim becomes a motionless corpse.
Through the narrow breach in the throat the cerebral ganglions are reached and immediate death ensues.
That of the ganglions differs from the substance of the rest of the spinal chord, in being filled with very fine aerial vessels, which are not discoverable in the latter[17].
These united ganglions retain the pairs of nerves they had when separate[128].
The ganglions also in different species, and often in the same insect in its different states, vary in their number.
Just before the assumption of the imago, the direction of the lobes of the brain becomes horizontal, the second and third ganglions unite, and the internode between the third and fourth is shortened[129].
At the union of the chords in other cases below that organ, a knot or ganglion is usually formed, and an alternate succession of internodes and ganglions commonly follows to the end.
Again, because nerves from the ganglions of the spinal chord terminate in bronchiae near the spiracles, they must be for receiving scents from those openings.
This system may be considered as divisible into two--the proper ganglionic, in which it is ganglionic with the ganglionsarranged in a series with a double spinal chord.
Brain, spinal chord and ganglions of a full-grown caterpillar of Pontia Brassicae.
A small brain usually subbilobed, crowning a knotty double medullary chord; nerves proceeding from the brain and other ganglions to all parts of the body.
A small bilobed brain crowning a double, knotty, medullary chord; nerves proceeding from the brain and other ganglions to all parts of the body.
He studied the ganglions attentively, and gives the first distinct account of the formation, connexions and distribution of the intercostal nerves.
About the same time, Scarpa, so distinguished in every branch of anatomical research, investigated the minute structure of the ganglions and plexuses.
Ehrenberg also states that they have ganglions at their base, which furnish them with nervous filaments.
An opinion prevailed that ganglions were intended to cut off sensation; and every one of these nerves, which I supposed were the instruments of sensation, have ganglions on their roots.
By pursuing the inquiry, it was found that a ganglionic nerve is the sole organ of sensation in the head and face: ganglions were therefore no hindrance to sensation; and thus my opinion was confirmed.
In Cirripedes, from the gradation which may be observed from Lepas through Pollicipes into Balanus, the ganglions are certainly not reduced but concentrated.
I may add that I have, also, observed the supra-[oe]sophageal and ophthalmicganglions in Bal.
In this genus, moreover, the lateral fusion of the ganglions has been so complete, that there is no evidence of their having been formed by the union of two.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "ganglions" in a variety of sentences. We hope that you will now be able to make sentences using this word.
