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Ultrastructural studies on the development of the blood-epididymis barrier in immature rats
Ultrastructural studies blood-epididymis barrier immature rats
2009/2/23
The development of the blood-epididymis barrier in immature rats (8, 11, 14, 18, and 21 days old) was examined with an electron microscope using lanthanum nitrate as an electron dense tracer. A grad...
The correlation between the gossypol contents in blood plasma, rete testis fluid, and cauda epididymal fluid following chronic treatment with gossypol in rats
gossypol contents blood plasma rete testis fluid cauda epididymal fluid chronic treatment with gossypol in rats
2009/2/23
Concentrations of gossypol in blood plasma, rete testis fluid, and fluid from the caudia epididymidis were measured simultaneously by high performance liquid chromatography in rats treated with goss...
Reversible harmless interruption of testicular blood supply in the ram
Reversible harmless interruption testicular blood ram
2009/2/23
An effective method of interrupting testicular blood flow temporarily and repeatedly in the ram has been developed. Blockade of flow has been achieved mechanically by an inflatable occluder placed a...
Repair of experimental varicoceles in the rat. Long-term effects on testicular blood flow and temperature and cauda epididymidal sperm concentration and motility
varicocele varicocele repair rat testis
2009/2/23
The effects of varicocele and varicocele repair on testicular blood flow, temperature, sperm counts, and sperm motility were assessed in adult male rats. The duration of the experimental varicocele ...
Stagnation of blood in the microvasculature of the affected and contralateral testes of men with short-term torsion of the spermatic cord
Testis germ cells microvasculature electron microscopy torsion
2009/2/23
Bilateral testicular biopsies from four men with a short duration (3 hours 10 minutes to 4 hours 30 minutes) of unilateral spermatic cord torsion and testicular biopsies from six men with irreversib...
Effects of white blood cells on the in vitro penetration of zona-free hamster eggs by human spermatozoa
white blood cells zona-free hamster eggs human spermatozoa
2009/2/20
The presence of white blood cells in semen has been associated with male infertility. Previous studies indicate that pyospermia occurs in conjunction with decreases in sperm motility, number of no...
Stagnation of blood in the microcirculatory vessels in the testes of men with varicocele
blood microcirculatory vessels men varicocele
2009/2/20
This study reports on the stagnation of blood within the microcirculatory vessels of the testes of patients with varicocele. Both fine structural and quantitative studies were carried out on testi...
Scrotal hypothermia and testicular blood flow in the dog
hypothermia testicle blood flow thermal
2009/2/20
Two clinically tolerable methods of producing testicular hypothermia have been studied in dogs. Evaporative cooling produced a 3.7 degree fall and ice water a 9.7 degree fall in intratesticular te...
Testicular blood flow in young and old rats and influence of hCG
testis blood flow hCG rat aging
2009/2/20
To evaluate the influence of age, testicular capillary blood flow (TCBF) was measured, using the microsphere technique, in rats 3 to 24 months old, under basal conditions and after hCG stimulation (...
Testicular blood flow and fluid dynamics in monkeys with surgically induced varicoceles
varicocele monkey testicular blood flow
2009/2/19
The blood flow rates and ability to remove an added fluid load were studied in the testes of monkeys with surgically induced varicoceles and in sham-operated control monkeys. These studies were conduc...
Effects of Hemicastration or hCG-treatment on Steroids in Testicular Vein and Jugular Vein Blood of Stallions
stallion androgens estrogens testicular vein hemicastration hCG-treatment
2009/2/19
The relationships among testicular vein and jugular vein concentrations of androgens and estrogens were studied in anesthetized stallions. Blood was sampled from a vein on the surface of the testis ...
A Comparison of Blood Chemistry, Reproductive Hormones, and the Development of Antisperm Antibodies After Vasectomy in Men
vasectomy antibody response testosterone luteinizing hormone
2009/2/18
Serum chemistry parameters as well as levels of follicle-stimulating hormone (FSH), luteinizing hormone (LH), testosterone, and spermimmobilizing and sperm-agglutinating antibodies were measured pri...
Origin of an 84-kDa protein with ABH blood-typing antigen activity in human seminal plasma
p 84 ABO blood group substance lactotransferrin
2009/2/18
In order to investigate the origin of an 84-kDa protein with ABH blood-typing antigen activity (p 84) and its concentration in human seminal plasma, a monoclonal antibody (mAb p 84) was produced....
Pituitary adenylate cyclase-activating polypeptide（PACAP）：effects on blood flow in the testis and caput epididymidis of the rat
blood flow testis caput epididymidis rat
2009/2/18
Pituitary adenylate cyclase-activating polypeptide (PACAP) is synthesized in developing germ cells in the testis and may act as a paracrine modulator of spermatogenesis and/or participate in tubul...
The effects of aging on the seminiferous epithelium and the blood-testis barrier of the Brown Norway rat
seminiferous epithelium blood-testis barrier Brown Norway rat
2009/2/18
Steroidogenesis and spermatogenesis decrease in aging Brown Norway rats. We therefore hypothesized that there must be accompanying morphological changes taking place in the seminiferous tubules of...