| Each gnathostomulid is simultaneously hermaphrodite, possessing an ovary and a testis. |
| Lesions in the testis can be due to tuberculosis, syphilis, or malignancy and require urgent ultrasound examination. |
| Iron can also accumulate in the endocrine gland system and can result in decreased function of the ovary or testis. |
| In human beings, the testis is located outside the body in the scrotal sac. |
| The passage of sperm from the seminiferous tubules of the testis to the vas deferens takes about 12 days. |
| A general correlation was found between bacterial levels in eggs and those found in ovaries and testis. |
