B—PATHOLOGY OF THE GENITAL TRACTS OF MATURE INFERTILE OR STERILE BULLS

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│ R. Sem. │L. Sem. │ Ductus │ R. Testis

│ Vesicle │Vesicle │ Deferens │

─┼──────────────┼────────┼──────────────┼────────────

5│Epithelium │Same as │Both │Degeneration

│ becoming │ right.│ apparently │ of many

│ degenerated.│ │ normal. │ tubules.

│Vesicles │ │ │

│ filled with │ │ │

│ debris and │ │ │

│ exudates. │ │ │

─┼──────────────┼────────┼──────────────┼────────────

6│Acutely │Same as │Slight │Degeneration

│ inflamed. │ right.│ degeneration│ of mucosa

│ │ │ of lining │ in some

│ │ │ membrane of │ tubules.

│ │ │ both. │

│ │ │ │

│ │ │ │

─┼──────────────┼────────┼──────────────┼────────────

7│Some │Same as │Both │Apparently

│ degeneration│ right.│ apparently │ normal.

│ of lining │ │ normal. │

│ membrane. │ │ │

─┼──────────────┼────────┼──────────────┼────────────

8│Necrosis in │Same as │Both │Apparently

│ areas. │ right.│ apparently │ normal.

│ │ │ normal. │

│Infiltration │ │ │

│ of │ │ │

│ interstitial│ │ │

│ tissue. │ │ │

│Degeneration │ │ │

│ of lining │ │ │

│ membrane. │ │ │

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│ R. │ L. Testis │ L.

│ Epididymis │ │Epididymis

─┼────────────┼────────────┼──────────

5│All │Same as │Nearly

│ epithelium│ right. │ normal.

│ denuded. │ │

│Debris in │ │

│ lumen. │ │

│ │ │

│ │ │

─┼────────────┼────────────┼──────────

6│Apparently │Degeneration│Apparently

│ normal. │ in some │ normal.

│ │ tubules. │

│ │ │

│ │ │

│ │No mitosis │

│ │ in some. │

─┼────────────┼────────────┼──────────

7│Apparently │Apparently │Apparently

│ normal. │ normal. │ normal.

│ │ │

│ │ │

─┼────────────┼────────────┼──────────

8│Apparently │Apparently │Apparently

│ normal. │ normal. │ normal.

│ │ │

│ │ │

│ │ │

│ │ │

│ │ │

│ │ │

│ │ │

│ │ │

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A study of some factors influencing fertility and sterility in the bull · 第 14 / 38 题