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Search Results for “Ovary (human)”
 
 
1) ovary. The Columbia Encyclopedia, Sixth Edition. 2001
...The interaction between the gonadotropic hormones from the pituitary gland and the sex hormones from the ovary controls the monthly cycle in humans of ovulation and...

2) fruit. The Columbia Encyclopedia, Sixth Edition. 2001
...After the egg nucleus, or ovum, has been fertilized (see fertilization) and the embryo plantlet begins to form, the surrounding ovule (see pistil) develops into a...

3) pistil. The Columbia Encyclopedia, Sixth Edition. 2001
...The pistil is usually called the female reproductive organ of a flowering plant, although the actual reproductive structures are microscopic. The pistil has a bulbous...

4) angiosperm. The Columbia Encyclopedia, Sixth Edition. 2001
...The angiosperms constitute the division Magnoliophyta and include all agricultural crops (including the cereal grains and other grasses), all garden flowers and most...

5) flower. The Columbia Encyclopedia, Sixth Edition. 2001
...Like twigs, flowers develop from buds, and the basic floral parts (sepal, petal, stamen, and carpel) are in actual fact greatly modified leaves. A typical flower...

6) fallopian tube. The Columbia Encyclopedia, Sixth Edition. 2001
...The epithelium that lines the tube is covered with cilia that beat continuously toward the uterus. When an ovum is expelled into the peritoneal cavity from the ovary...

7) progesterone. The Columbia Encyclopedia, Sixth Edition. 2001
...Progesterone is also synthesized from cholesterol in the cortex of the adrenal gland where it is a precursor for the synthesis of other steroids including testosterone....

8) Magnoliophyta. The Columbia Encyclopedia, Sixth Edition. 2001
...The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem). The ovules, which develop into seeds, are enclosed within an...

9) ovum. The Columbia Encyclopedia, Sixth Edition. 2001
...The study of the ovum is included in the science of embryology. The development of a new individual from an unfertilized ovum is called parthenogenesis. 1In higher...

10) Camerarius, Rudolph Jacob. The Columbia Encyclopedia, Sixth Edition. 2001
...German botanist and physician. The first to present a clear and definite picture of sex in plants, Camerarius based his conclusions on careful experiments and observations....

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