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#Lower Extremity.# The popliteal glands include one superficial gland at the termination of the small saphenous vein, and several deeper ones in relation to the popliteal vessels. They receive lymph from the toes and foot, and transmit it to the inguinal glands.
Whereas if the glands were entirely removed, these male traits, peculiar to the rooster, were completely lost. The inference was the existence of an internal secretion. To Berthold belongs the honor of being the first experimental demonstrator who proved the reality of a gland with a true internal secretion and the power it exercised through the blood upon the entire organism.
At the upper end of the trachea there is, under the epiglottis, a specially differentiated part, strengthened by a cartilaginous skeleton, the larynx. This important organ of human speech also develops from a part of the alimentary canal. In front of the larynx is the thyroid gland, which sometimes enlarges and forms goitre.
The supra-hyoid gland lies a little farther back, immediately above the hyoid bone, and receives lymph from the tongue. The sterno-mastoid glands glandulæ concatinatæ form a chain along the posterior edge of the sterno-mastoid muscle, some of them lying beneath the muscle. They are commonly enlarged in secondary syphilis.
If it under-functioned the opposite was the result a dwarf. If the thyroid gland was at fault we would have either the low mentality commonly spoken of as cretinism, or myxedema. We found that by feeding children the fresh gland substance a marked improvement would be obtained and sometimes a cure. Some years ago there was a surgical craze which called for the removal of the women's ovaries.
There are certain terms for the glands of internal secretion which are used interchangeably. They are spoken of often as the endocrine glands and as the hormone producing glands. Endocrine is most convenient for it stands for both the gland and its secretion. Hormone is employed a good deal in the literature of the subject.
A better specimen can sometimes be obtained by puncturing an enlarged lymph gland with a hypodermic needle, injecting a few minims of sterile saline solution and then aspirating the blood-stained fluid. The Wassermann test must not be relied upon for diagnosis in the early stage, as it does not appear until the disease has become generalised and the secondary manifestations are about to begin.
It has a name dystrophia adiposogenitalis." He nodded to Doctor Haynes, but did not pause. "This case bears a striking resemblance to the pronounced natural somnolence of hibernation. And induced hypopituitarism under activity of the gland produces a result just like natural hibernation.
From the two-chambered heart of the fish she made the treble-chambered heart of the frog, and then the four- chambered heart of the mammal. The first mammary gland had no nipples; the milk oozed out and was licked off by the young. The nipple was a great improvement, as was the power of suckling in the young.
The points to be gained are, to reduce the action of the amatorial organs of the brain and the secretion of the testes, and to contract and strengthen the tissue of the seminal vesicles and the prostrate gland. Take the B D current.