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In the Radiates we lose sight of the bilateral symmetry so prevalent in the other three, except as a very subordinate element of structure; the plan of this lowest type is an organic sphere, in which all parts bear definite relations to a vertical axis.
In Litten's case a the clitoris was 3 1/2 inches long, and there was hydrocele of the processus vaginalis on both sides, making tumors in the labium on one side and the inguinal canal on the other, which had been diagnosed as testicles and again as ovaries. There was associate cystic ovarian disease. Plate 4 is taken from a case of false external bilateral hermaphroditism.
The same bilateral type is found in all our artificial means of locomotion carts, ships, etc.; it is by far the best for the movement of the body in a certain direction and steady position. Hence natural selection early developed this bilateral type in a section of the Gastraeads, and thus produced the stem-forms of all the bilateral animals.
Death due to bilateral ptthisis with tuberculosis of intestines and mesenteric glands, emaciation. It is noteworthy that the brain weighed but 1038 grams. Dr. W. L. Worcester's microscopic examination showed acute nerve cell changes probably of the type of axonal reactions.
There is a tendency for the subject to stumble and, of course, where the affection is bilateral, there is a stilted gait owing to shortened strides. At rest the lame animal usually points with the affected member. Pressure on the navicular bone is diminished and tension on the flexor tendon is relieved by even slight volar flexion.
It is interesting to note that on the morning following the experience which I had with this child, she came to see me a second time, and, on my examining her throat, it presented the typical picture of bilateral tonsillitis, the final result of the initial sticking sensation in her throat, which she had experienced the day before.
The affection is frequently bilateral, and may be associated with lymph scrotum, with elephantiasis, and with chyluria. The diagnosis is to be made from such other swellings in the groin as hernia, lipoma, or cystic pouching of the great saphenous vein. It is confirmed by finding the recently dead or dying worms in the inflamed lymph glands. Treatment.
The Gastraea bilateralis, of which we may conceive the bilateral gastrula of the amphioxus to be a palingenetic reproduction, represented the two-sided organism of the earliest Metazoa in its simplest form.
In Articulates there is also a longitudinal axis of the body and a bilateral symmetry in the arrangement of parts; the head and tail are marked, and the right and left sides are distinct. But the prominent tendency in this type is the development of the dorsal and ventral region; here above and below prevail over right and left.
We also recognize the need to broaden the peace process to include other parties to the conflict and believe that a successful autonomy agreement is an essential first step toward this objective. We have also taken a number of steps to strengthen our bilateral relations with both Israel and Egypt. We share important strategic interests with both of these countries.
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