The presence of blind-ending spermatic vessels confirms an absent testis, allowing termination of the procedure without a groin incision. |
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Each gnathostomulid is simultaneously hermaphrodite, possessing an ovary and a testis. |
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This chapter focuses on infections of the male urethra, epididymis, testis, and prostate. |
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Lesions in the testis can be due to tuberculosis, syphilis, or malignancy and require urgent ultrasound examination. |
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Fish were scored as intersexes when at least one of the gonads was an ovotestis or when one ovary and one testis were observed simultaneously. |
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A tubular testis, which appears to be anastomosing, characterizes the primitive sarcopterygian and the coelacanth. |
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A general correlation was found between bacterial levels in eggs and those found in ovaries and testis. |
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If a testis is not palpable, it is important to determine if it is retractile, ectopic, or cryptorchid. |
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The testis skin from a young rhesus macaque monkey was implanted under the skin on the back of a mouse with a depleted immune system. |
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The testis was nearly entirely replaced by a thin-walled unilocular cystic mass measuring 2.0 cm in greatest dimension. |
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Iron can also accumulate in the endocrine gland system and can result in decreased function of the ovary or testis. |
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If the spermatozoa showed no motility, a new tubule closer to the testis was selected, and the process was repeated. |
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Spermatogonia are the mitotic germ cells of the testis from which sperm arise by spermatogenesis. |
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He suggested that the secretions of the testis were present in the seminal fluid containing sperm. |
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In human beings, the testis is located outside the body in the scrotal sac. |
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On physical examination, the patient was found to have right scrotal swelling encroaching on the epididymis and testis. |
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The passage of sperm from the seminiferous tubules of the testis to the vas deferens takes about 12 days. |
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In brief sperm is obtained from the males by gently squeezing their testis with a pair of forceps. |
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In azoospermic men sperm can be retrieved surgically from the epididymis or from the testis itself. |
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What is your preferred surgical treatment for impalpable testis, and why? |
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The epididymis, rete testis, and spermatic cord were free of tumor. |
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After 168 hours, only the adrenal gland, kidney, pituitary, skin and testis had measurable concentrations of the administered compound. |
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Under laparoscopic guidance, the testis is ligated, emasculated and removed. |
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The left testis contained numerous Sertoli cells and a few germ cells. |
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Dr Pitnick's project, published in this week's Proceedings of the Royal Society, looked at brain size and testis size in 334 of those species. |
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A number of generations of spermatogonia are present in the testis with a spectrum of sensitivity to chemical treatment. |
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The most sensitive target organ for the primary toxic effects of ganciclovir was the testis. |
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Pathological changes in the thyroid gland and testis were also observed but were not considered to be treatment-related. |
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The study did not find links between the multivitamins and the prevention of Down syndrome, pyloric stenosis, undescended testis, or hypospadias. |
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Nonseminoma germ cell cancer of the testis is more common in men younger than about 30 and seminoma is more common thereafter. |
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The latter is associated with increasing testosterone levels, whereas testis descent is not. |
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This process continues throughout adult life and due to continual replenishment, testis are among the most radiosensitive tissues. |
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In multivariate analysis, the size of the tumour and involvement of the rete testis emerged as important significant risk factors of recurrence. |
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All fetuses from whom the testis rudiment had been removed developed as though they were female, as also did those from whom the developing ovary was removed. |
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Following the postmeiotic phase, spermatozoa are released into the lumen of the seminiferous tubule of the testis and transported to the epididymis for storage. |
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Hematoma in the testis also occurred in one male rat in the male fertility study. |
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Much Latin terminology has entered into Old Irish and into the legal system, such as a type of witness teist from Latin testis. |
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He had low blood pressure, and physical examination revealed gynecomastia, bilateral atrophied testis, and bibasilar rales. |
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In dogs, exposure to letrozole induced histopathologic changes in the testis, whereas in rats no such effects were observed. |
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From histological aspect, testis tumors in children are generally in single type and genetically they are mostly euploid tumors. |
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Measurement of the blood supply to the abdominal testis by means of near infrared spectroscopy. |
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Excesses in several cancers, such as melanoma, testis and Kaposi sarcoma, appear to contribute to the overall higher rate in the US white SEER population. |
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Stage I are patients with tumours which are apparently localised to the testis and may be subdivided according to the presence or absence of vascular or lymphatic infiltration in the spermatic cord. |
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Major differences in DNA methylation have been found between certain genes in the testis compared to those in the ovary and provide a way of marking the mother's and father's genes differently. |
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Nature's solution was to create two sexes both having special organs, ovaries and testis, where the reduction of the genome to half the normal size takes place when creating ova and sperms. |
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The first was that in any given species, the average male's testis size as a fraction of body weight will depend on the behaviour of that species' females in particular, how promiscuous those females are. |
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Results demonstrate that this genomic instability is a part of a ROS induced mutator phenotype in the testis that leads to tumorogenesis. |
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The first group of mice was normal, but the second group of mice was missing a gene from the peritubular myoid cells in the testis. |
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Orchitis is an inflammation of the testis causing swelling and pain and may be associated with infection by the mumps virus. |
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Seasonality was determined by changes in relative and total testis weight, and in seminiferous tubule diameters. |
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Examination was carried out with or without valsalva maneuver and the volume and consistency of testis and grade of varicocele were recorded. |
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Increased seminal reactive oxygen species levels in patients with varicoceles correlate with varicocele grade but not with testis size. |
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The primordial testis takes shape and the epididymis with the vas deferens arise from the mesonephric duct at 8 weeks. |
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Six months later, we performed a Dartos pouch orchiopexy procedure on the left testis. |
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Gonads in the shrimp are ovotestis, which have testis and ovarian portions. |
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The testis can also undergo spontaneous detorsion and ischemia may be secondary to other conditions. |
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Three modulated pathways, C21-Steroid hormone metabolism, oxidative phosphorylation, and metabolic pathways, are associated with metabolism, indicating the basal metabolism of cells in testis are affected. |
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Effects of nonylphenol and 17b-estradiol on vitellogenin synthesis and testis morphology in male platyfish Xiphophorus macualatus. |
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In mammals, the Y chromosome contains the gene SRY, which triggers testis development. |
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Tubular ectasia of the rete testis is a benign condition that results from partial or complete obliteration of the efferent ducts. |
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Cheng's strategies target the attachment of germ cells to Sertoli cells in the testis. |
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Thus, gonadal growth, total body weights, thyroxin levels, plumage moult and the testis histological profiles were investigated under long days. |
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The rete testis showed extensive cystic dilatation as did the tubules in the epididymal head. |
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Ultrasound guided aspiration was carried out from one of the cystic lesion in the rete testis. |
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The EDs is located between the rete testis of the testis and the IS of the epididymis, and is covered by the epididymal fat. |
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Cystic dysplasia of the testis or ectasia of the rete testis is a rare congenital anomaly. |
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An unnecessary surgery for epididymal cysts may cause an injury to rete testis which may lead to infertility. |
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Daily cycles of release of sperm from the testis of the Mediterranean flour moth. |
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The male reproductive tract is consisted of the testis and excurrent ducts. |
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Genital pore just submedian to right, immediately anterior to posterior testis. |
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The result is lowered luteinizing hormone and follicle-stimulating hormone, which lead to reduced testosterone production by Leydig cells of the testis. |
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It is conceivable that impairment of surfactant proteins is due to rheological and immunodefensive disorders of testis and epididymis or prostate. |
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Orchidopexy is usually performed when a boy is between two and five years old to avoid the risk of subsequent infertility or even cancer of the testis. |
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The testis has a rich superficial plexus beneath the tunica albuginea. |
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One single, straight duct termed vas rectum, which joins the rete testis at a right angle. The vasa recta are very slender, and easily give way when injected. |
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Role of androgens in fetal testis development and dysgenesis. |
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The structural basis for the SSC niche in the mammalian testis is the basal compartment of the seminiferous tubules and omposed of sertoli cells and peritubular myoid cells. |
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Consequently, scrotal ultrasound was performed, which revealed a swollen left testis with multiple parenchymal irregular anechoic cystic areas with thin internal septation. |
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Ultrasonographic investigation of the left inguinal region showed the left testis in the inguinal canal, whereas the right testis was not detected ultrasonographically. |
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Second primary germ cell tumors in patients with seminoma of the testis. |
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One of the doctors, Theodore Morrell, reported that the Mein Kampf madman received injections of extracts of seminal vesicles, testis and prostata of young bulls. |
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Boys first noted in the medical record to have undescended testis after the first year of life were not considered cryptorchid because they may have had retractile testes. |
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Testis sparing surgery, or partial orchidectomy, is now preferred for the treatment of bilateral testicular masses or in patients with a solitary testis. |
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Spermatic cord is long tubular structure connecting testis to abdomen, said Dr Dilip Kumar Sharma, Specialist Urologist, Zulekha Hospital, Sharjah. |
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The outer rim of the testis was occupied by zones containing spermatogonia, while zones containing spermatocytes and spermatids were situated internally. |
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