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Updated: May 3, 2025
The more highly organised elements of the skin, such as the hair follicles, the sweat and sebaceous glands, are imperfectly reproduced; hence the scar remains smooth, dry, and hairless. Epithelium.
Naturally, in harmony with this evolution of the mouth, the salivary glands belong genetically to one series with the sudoriferous, sebaceous, and mammary glands. Thus the human alimentary canal is as simple as the primitive gut of the gastrula in its original structure.
"Oh, yes," I said, and I lighted one. "So you find the weather trying," I continued cheerfully. "Yes, it's too humid. It's up to a saturation of sixty-six. I'm all right till it passes sixty-four. Yesterday afternoon it was only about sixty-one, and I felt fine. But after that it went up. I guess it must be a contraction of the epidermis pressing on some of the sebaceous glands, don't you?"
#Acute Abscesses of the Skin and Subcutaneous Tissue in Young Children.# In young infants, abscesses are not infrequently met with scattered over the trunk and limbs, and are probably the result of infection of the sebaceous glands from dirty underclothing. The abscesses should be opened, and the further spread of infection prevented by cleansing of the skin and by the use of clean under-linen.
They are wanting in the lower aquatic vertebrates. Rudimentary lachrymal glands from a human embryo of four months. They secrete the milk for the feeding of the new-born mammal. In spite of their unusual size these structures are nothing more than large sebaceous glands in the skin.
In consistence they are firm and elastic, or fluctuating, and are incorporated with the overlying skin, but movable on the deeper structures. The orifice of the partly blocked sebaceous follicle is sometimes visible, and the contents of the cyst can be squeezed through the opening. The wall of the cyst is composed of a connective-tissue capsule lined by stratified squamous epithelium.
At nine months, length of child 18 to 22 inches; weight, 7 to 8 pounds; skin rosy; lanugo only about shoulders; sebaceous matter on the body; hair on head about an inch long; testes past inguinal ring; clitoris covered by the labia; membrana pupillaris disappeared; nails reach to ends of fingers; meconium at termination of large intestine; points of ossification in centre of cartilage at lower end of femur, about 1-1/2 to 2-1/2 lines in diameter; umbilicus midway between the ensiform cartilage and pubis.
The sebaceous matter, or vegetable tallow, is contained in the seed-vessels of the Stillingia. The processes adopted for abstracting it are of importance, and meet with due consideration in Dr Macgowan's valuable paper.
We shall have to consider this in greater detail when we analyze the internal secretion basis of masculinity and femininity. In general, the degree of general hairiness is an index to the amount of adrenal influence upon the organism. All the endocrines which affect the hair growth also act upon the sebaceous glands which oil the skin.
Isolated thus by the flesh, the spirit, too, had been caught in nature's sebaceous trick upon Miss Hoag. Life had passed her by slimly. But Miss Hoag's redundancy was not all literal. A sixth and saving sense of humor lay like a coating of tallow protecting the surface of her. For nature's vagary, she was pensioned on life's pay-roll at eighteen dollars a week.
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