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Updated: June 1, 2025
It is probable that the locomotive muscles of microscopic animals may have greater tenuity than these of the retina; and there is reason to conclude from analogy, that the other immediate organs of sense, as the portio mollis of the auditory nerve, and the rete mucosum of the skin, possess a similarity of structure with the retina, and a similar power of being excited into animal motion.
Now, when the ground becomes covered with snow, it would seem, that that action of the retina, which is called whiteness, being constantly excited in the eye, may be gradually imitated by the extremities of the nerves of touch, or rete mucosum of the skin.
Von Hasselt thinks that probably chloride of silver is deposited in the rete malpighii, which is blackened by the action of light, or that sulphide of silver is formed by direct union of the silver with the sulphur of the epidermis.
So ended the first attempt of the French to found a colony in North America. Two years after Ribaut's ill-fated expedition another company of Frenchmen set sail for America. This time Reté de Laudonnière was captain. He had been with Ribaut two years before, and now again he landed on the same spot where Ribaut had first landed, and set up the arms of France.
Imagination of the female colours the egg. Ideas or motions of the retina imitated by the extremities of the nerves of touch, or rete mucosum. 2. Nutriment supplied by the female of three kinds. Her imagination can only affect the first kind. Mules how produced, and mulattoes. Organs of reproduction why deficient in mules. Eggs with double yolks.
#Structure of Skin.# The skin is composed of a superficial cellular layer the epidermis, and the corium or true skin. The epidermis is differentiated from without inwards into the stratum corneum, the stratum lucidum, the stratum granulosum, and the rete Malpighii or germinal layer, from which all the others are developed.
It is seen in the Indians of the Isthmus of Darien, the Hottentots, and the Icelanders. Why the cells of the rete mucosum should have the function in some races of manufacturing or attracting pigment in excess of those of other races, is in itself a mystery.
In their features we find a great improvement; a well-shaped nose replaces the expanded nostrils, compressed lips, the thick pouting ones, their teeth are of marvellous whiteness and regularity as are those of all Asiatics. Their cheeks may sometimes have a tinge of pink, but this is usually veiled by the darker tint of the "rete mucosum."
Even the fluid from a blister, in virtue of the isolated cells of the rete Malpighii which it contains, is capable of starting epithelial growth on a granulating surface. Hairs and nails may be completely regenerated if a sufficient amount of the hair follicles or of the nail matrix has escaped destruction.
The great Author of nature has his intention in these mysterious signs. We know only that there are two kinds of these God's finger-touches the enduring and the evanescent. That we have now witnessed was of the latter kind, which we also call superficial in opposition to the other, which is painted on the rete mucosum, and never goes off.
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