Results 31 to 40 of about 164,592 (238)

Differential distribution of eicosanoids and polyunsaturated fatty acids in the Penaeus monodon male reproductive tract and their effects on total sperm counts.

open access: yesPLoS ONE, 2022
Eicosanoids, which are oxygenated derivatives of polyunsaturated fatty acids (PUFAs), serve as signaling molecules that regulate spermatogenesis in mammals. However, their roles in crustacean sperm development remain unknown.
Pisut Yotbuntueng   +10 more
doaj   +1 more source

Congenital unilateral absence of vas deferens with contralateral testicular atrophy

open access: yesUrology Annals, 2020
We present a case report of a 25-year-old obese man complaining of primary infertility for 2 years. After a thorough examination and investigation were done, he had congenital unilateral absence of vas deferens with ipsilateral renal agenesis and a ...
Turki A Alferayan   +4 more
doaj   +1 more source

Effect of cyproterone acetate on alpha1-adrenoceptor subtypes in rat vas deferens

open access: yesBrazilian Journal of Medical and Biological Research, 2003
Gonadal hormones regulate the expression of alpha1-adrenoceptor subtypes in several tissues. The present study was carried out to determine whether or not cyproterone acetate, an anti-androgenic agent, regulates the alpha1-adrenoceptor subtypes that ...
M. Campos, P.L. Morais, A.S. Pupo
doaj   +1 more source

A Case of Cryptorchidism with Ipsilateral Congenital Unilateral Absence of the Vas Deferens and Contralateral Renal Agenesis

open access: yesCase Reports in Urology, 2016
Introduction and Aims. Congenital absence of the vas deferens is an uncommon anomaly and this clinical condition is responsible for up to 1-2% of male infertility.
Young Dong Yu, Young Kwon Hong
doaj   +1 more source

Ureteral Obstruction by the Vas Deferens after Urostomy

open access: yesThe Scientific World Journal, 2010
A male patient with spina bifida and paraplegia, born in 1968, underwent urostomy in 1973. In 1999, he developed urine infections. Intravenous urography showed bilateral hydronephrosis and hydroureter.
Subramanian Vaidyanathan   +3 more
doaj   +1 more source

A case report of solitary neurofibroma of the Vas deferens

open access: yesUrology Case Reports, 2020
Solitary neurofibroma of the male genital tract is a rare benign peripheral nerve sheath tumor which is considered to originate from the Schwann cell. Neurofibroma of the male genital tract has been reported extremely rarely in the literature. We present
Abdullah, Jun-ping Xing
doaj   +1 more source

Duplicated Vas Deferens: A Rare Congenital Abnormality

open access: yesKaohsiung Journal of Medical Sciences, 2008
Duplication of vas deferens is a rare congenital anomaly for which the overall incidence in the general population is estimated to be less than 0.05%. We report here a case of duplicated vas deferens found during a routine varicocele operation.
Fikret Erdemir   +3 more
doaj   +1 more source

Comparative study between the excision-ligation and autoligation of vas deferens technique for teaser rams preparation [PDF]

open access: yesVeterinary World, 2019
Aim: The present study was designed to demonstrate the autoligation (AL) of vas deferens and the excision-ligation (EL) technique to generate vasectomized rams to reduce the complications, operative time, and price of the vasectomy techniques ...
Dhurgham Hameed Al Haideri   +2 more
doaj   +1 more source

Multiple vas deferens with polyorchidism and many congenital malformations in a symptomatic 11-year-old male patient: a rare case report

open access: yesBMC Urology, 2022
Background Ductus deferens may manifest in a variety of anomalies such as its absence, duplication, ectopy, or diverticulum. Ectopic seminal tract opening has two main types, ectopic ejaculatory duct opening, and ectopic vas deferens opening.
Marah Mansour   +5 more
doaj   +1 more source

Comparative analysis of the results semen examination in patients with azoospermia caused by cystic fibrosis and congenital bilateral aplasia of vas deferens syndrome

open access: yesАндрология и генитальная хирургия, 2019
The study objective is to compare the results of semen examination in patients with the congenital bilateral aplasia of vas deferens (CBAVD) syndrome and patients with cystic fibrosis.Materials and methods.
M. I. Shtaut   +7 more
doaj   +1 more source

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