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Get Atlas of Human Reproduction: By Scanning Electron Microscopy PDF

By P. Kenemans, V. P. Collins, U. Brunk (auth.), E. S. E. Hafez, P. Kenemans (eds.)

ISBN-10: 9401181403

ISBN-13: 9789401181402

ISBN-10: 940118142X

ISBN-13: 9789401181426

The recommendation of Max Knoll that an electron fascinated with the varied SEM photos, the wealth of data and the passion of the microscope might be constructed utilizing an exceptional scanning researchers overlaying numerous disciplines. All elements beam of electrons on a specimen floor and recording the emitted present as a functionality of the location of the of the feminine and male genital tract were lined, beam used to be introduced in 1935. when you consider that then numerous culminating within the prizewinning award exhibiting the in investigators and clinicians have used this idea to vitro fertilized human egg. improve thoughts referred to now as scanning electron In medical diagnostics SEM additionally proved to be a microscopy (SEM) and scanning transmission electron precious complementary method, laying off new mild microscopy (STEM). the alternative to review the feminine on oncology, the pathogenesis of tubal disorder and the reproductive organs was once a logical one simply because cells and maturation strategy of the placenta. destiny study has tissue samples should be sampled fairly simply; nonetheless to be comprehensive; e.g. quantification of SEM in addition, those cells and organs are prompted photos for significant and sound organic, consistently via the cyclic construction of hormones. clinical and statistical review in diagnostic This atlas demonstrates the state-of-the-art in 1983. gynecology, obstetrics, andrology and oncology.

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G. Lg per tablet, the effects of the progestin predominate causing drying of vaginal epithelium and dyspareunia. The over-all effect of oral contraceptives depends on the ratio and cumulative amounts of progestin and estrogen in each tablet. 5 mg. The progestin in Enovid-5 and Enovid-E is norethynodrel, a more 'estrogenic' progestin than other compounds. Effect of pregnancy During pregnancy the remarkable extension of vaginal surface is associated with hyperemia of the vaginal wall. The intercellular microridges seem to be less per cell, because formerly they reveal a more dense convolution.

Most vaginal infections are sexually transmitted and therefore, frequently occur in the reproductive period. The main symptoms are vaginal discharge and dyspareunia. The most frequent pathogenic infections are: Candida albicans (Figure la) Trichomonas vaginalis Haemophilus vaginalis (Figure 1b) Neisseria gonococcus (5) Herpes virus (6) Papilloma virus. (1) (2) (3) (4) Vaginal infections can also be detected by additional characteristics to which the degree of severity is influenced. For instance, Doderlein bacteria (Figures lc 29 30 ATLAS OF HUMAN REPRODUcnON The gross appearance of the cervix and vagina is usually characteristic, consisting of a cervical hood, or praeputium, or a 'cock's-comb' surface of the ectocervix (Figure 2b).

Low karyopyknotic index. Epithelium becomes markedly thinner, often invaded with leukocytes. Areas completely denuded of an epithelial covering. Glycogen is very low or completely absent, restored by estrogen administration. Collagen replaces many of elastic fibers in lamina propria. Lipofuscin granules in muscle cells. Decrease in numbers of exfoliating cells. Surface microridges absent or markedly reduced. Cell borders less distinct and nuclear bulges occasionally observed Data from Steger and Hafez, 1978.

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Atlas of Human Reproduction: By Scanning Electron Microscopy by P. Kenemans, V. P. Collins, U. Brunk (auth.), E. S. E. Hafez, P. Kenemans (eds.)


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