Word: sperm
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From Eye to Eye. The most clear-cut and comprehensible autoimmune diseases form a small, exceptional group. Thousands of the body's countless proteins circulate in the blood or are washed by it, but a few are "sequestered": the fluid in the eye's lens, sperm secreted in the testicles, and thyroglobulin (an iodine-containing protein), which usually stays locked in the thyroid gland. If lens fluid leaks into the bloodstream after injury, its proteins start the antibody factory working and the body seeks to destroy the lens proteins...
...circulating in the blood, is shown by the fact that if only one eye is injured, the antibody gets to the other eye and attacks the proteins in its lens. Thus injury to one eye may lead to blindness in both. Injury or inflammation of the testicles may force sperm proteins into the bloodstream, which then sets about destroying them-a process that causes temporary or even permanent sterility. If the thyroid gland is damaged or diseased, thyroglobulin may escape from its sequestered state, and a clearly defined form of thyroid disease results...
...reasoning goes, the sexual act is intended to produce children. The rhythm method, which first gained world-wide publicity in the early '30s, was eventually approved by the church because it does not directly interfere with the procreative purpose of sex, whereas any barrier put between the sperm and the ovum frustrates the natural design of the act. Equally sinful is sterilization, and when Pius XII, speaking to a group of hematologists in 1958, outlawed the oral steroid pills (TIME, March 20) when used as contraceptives, it was on the ground that they temporarily sterilize the female reproductive system...
...Brit ish family, is a Cambridge don who has made a mark as philanthropist, scien tist and Labor peer, is also chairman of Shell Research. An expert on fertili zation, he once astonished BBC-TV viewers by bringing before the cameras an enormous model of a human sperm. (His daughter Emma, 15, this year be came the youngest woman ever admitted to Cambridge.) Like many Roth schild men and women who have made a tradition of volunteering for hazardous duty in wars from 1870 onward, he has several medals from his wartime post as a colonel in countersabotage...
...When sperm and ovum unite abnormally to produce a human being with 47 chromosomes, the supernumerary is often an extra X. There are XXX girls who have two dark spots in their body cells-one for each of the deactivated Xs, for only one can remain fully functional. In one form of sex abnormality, the chromosome composition is XXY. Such a child may have some male characteristics, but will also show the typically female dark spot of the second X chromosome...