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Topic: Seminal vesicles

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  Seminal vesicle - Wikipedia, the free encyclopedia
Prostate with seminal vesicles and seminal ducts, viewed from in front and above.
Histologically, the seminal vesicles are defined by their tortuous pathways, false lumens, pseudo-stratified columnar epithelium and cuboidal cells along the basal layer.
seminal tract: Seminiferous tubules (Tubuli seminiferi recti, Rete testis, Efferent ducts) - Epididymis ; (Appendix) - Vas deferens - Ejaculatory duct  Seminal colliculus
en.wikipedia.org /wiki/Seminal_vesicle   (468 words)

 Peripheral Effects of Serotonin on the Contractile Responses of Rat Seminal Vesicles and Vasa Deferentia -- Kim and ...
unraveling the tail of the contralateral seminal vesicle, an
of the vas deferens and of the contralateral seminal vesicle
5-HT receptor subtypes in seminal vesicles and vasa deferentia.
www.andrologyjournal.org /cgi/content/full/25/6/893   (2980 words)

 Re-emergence of Vibrio Cholerae O139 in Pakistan: report from a Tertiary Care Hospital   (Site not responding. Last check: 2007-10-18)
The seminal tract develops from the mesonephric duct which is a paired structure draining the mesonephric tubules in to the cloaca.
Most frequent obstructive malformation of the seminal tract is bilateral congenital absence of vas deferens.2 Almost all of these patients have bilaterally absent seminal vesicles and if present they are usually hypoplastic and non functional along with absence of ejaculatory ducts.
This study emphasized that absence of seminal fructose and low volume ejaculate in these patients may be due to agenesis of ejaculatory ducts rather than absence of seminal vesicles.5 However, in these two patients, seminal fluid examination had shown the presence of fructose indicating the presence of functioning seminal vesicles and patent ejaculatory ducts.
jpma.org.pk /JPMA/8Aug03/caseisolated.htm   (785 words)

 In Utero and Lactational Exposure to 2,3,7,8-Tetrachlorodibenzo-p-dioxin Alters Postnatal Development of Seminal ...
In contrast, in the undifferentiated TCDD-exposed seminal vesicles, PCNA immunoreactivity was at both the basal and luminal surfaces of poorly branched glands, indicative of the delayed development of the TCDD-treated organ.
In the seminal vesicles from TCDD-treated rats, it is unclear whether the increase in collagen is due to altered expression or simply a lack of distribution of the collagen due to the inhibition of epithelial branching.
In conclusion, in utero and lactational exposure to 1.0 mg/kg TCDD inhibits the proliferation and differentiation of the seminal vesicle epithelium.
www.mindfully.org /Pesticide/Dioxin-Postnatal-Development1apr00.htm   (3941 words)

 eMedicine - Hematospermia : Article by Jonathan D Schiff, MD   (Site not responding. Last check: 2007-10-18)
Normal seminal vesicles are flat, paired structures that lie cephalad to the prostate behind the bladder and have a bow-tie appearance on transverse imaging.
Acquired seminal vesicle cysts generally result from infectious processes, and malignancies of the seminal vesicles are a rare cause of hematospermia.
TB of the prostate, seminal vesicles, or vas deferens
www.emedicine.com /med/topic3466.htm   (4379 words)

 Handbook of Andrology
That portion of the duct which continues distal to the seminal vesicle is known as the ejaculatory duct and is contained entirely within the prostate gland.
The seminal vesicle develops as an out-pocketing of the mesonephric duct, distal to the epididymis (Fig.
The seminal vesicle also produces several androgen-dependent secretory proteins that are involved in the rapid clotting of the ejaculate.
www.andrologysociety.com /resources/handbook/ch.1.asp   (1727 words)

 Definition: Seminal Fluid
Seminal fluid is comprised of secretions produced by the prostate gland, Cowper’s gland and the seminal vesicles.
Seminal fluid that does not have an alkaline pH, a problem often associated with a low ejaculatory volume, usually indicates a problem with the seminal vesicle’s functionality.
Seminal fluid analysis is an important part of the semen analysis.
sharedjourney.com /define/fluid.html   (533 words)

 Normal Prostate and Seminal Vesicles | Webpathology.cfm   (Site not responding. Last check: 2007-10-18)
The atypia is degenerative and not observed in the seminal vesicles of young men.
Compare this image with next slide from the seminal vesicle of a relatively young man (age 45 yrs).
Remarks: This seminal vesicle is from a 45 year-old man who underwent radical prostatectomy for prostate cancer.
www.webpathology.com /case.cfm?case=14   (323 words)

 Primary rhabdomyosarcoma of the seminal vesicle -- Sanghvi et al. 77 (914): 159 -- The British Journal of Radiology
Primary malignancies of the seminal vesicles are rare.
Malignancies arising primarily in the seminal vesicles are uncommon.
Primary tumours of the seminal vesicles are rare.
bjr.birjournals.org /cgi/content/full/77/914/159   (1002 words)

 Blue Histology - Male Reproductive System
The internal male genitalia consist of the testes with the adjoining epididymis, the vas deferens and the accessory sex glands, namely the seminal vesicles, the prostrate and the bulbourethral glands (the latter sometimes are included in the external genitalia).
All the lumina visible in sections of the seminal vesicle are in continuity in the intact organ.
The secretion of the seminal vesicles is the third fraction of the ejaculate (the spermatozoa are released with the second fraction - the contents of the vas deferens).
www.lab.anhb.uwa.edu.au /mb140/CorePages/MaleRepro/malerepro.htm   (2750 words)

 RedOrbit - Science - Responses of coelomocytes from Lumbricus terrestris to native and non-native eukaryotic parasites   (Site not responding. Last check: 2007-10-18)
Despite the parasite's apparent "takeover" in the seminal vesicle, little is known of the effect of the parasite on the earthworm (harmful, beneficial or benign?), or of the earthworm's response to the parasite.
Seminal vesicles were removed, homogenized in 1ml LBSS, using a glass homogenizer, washed 3 times in LBSS as above, and then spun in LBSS 2 min at 2000 rpm.
The presence of a few non-adherent coelomocytes could be due either to cells that were present on the exterior portion of the seminal vesicles (in contact with coelomic fluid), or to response- inhibitory factors within the seminal vesicles.
www.redorbit.com /news/display?id=50813   (3095 words)

 Nikon MicroscopyU: Fluorescence Microscopy Digital Image Gallery - Rat Seminal Vesicle Tissue Sections
The seminal vesicles are paired sac-like glands that comprise part of the male reproductive system.
The primary function of the seminal vesicles is to secrete much of the fluid that carries sperm.
Seminal vesicle cysts most commonly become recognized during the years of greatest reproductive activity.
microscopyu.com /galleries/fluorescence/ratseminalvesicle/index.html   (353 words)

 The Production Of Semen - The Seminal Apparatus
This, however, is not the case, as the two excretory ducts of the seminal vesicles, and especially their openings into the urethra, are so extremely fine, because really they are.
Because the two seminal vesicles are only laterally attached to their ducts it may happen (in contradistinction to the urinary apparatus, in which both the ureters discharge into the bladder itself), that sperm cells simply pass by the seminal vesicle without entering it.
And in the same way each time that the seminal vesicles with their occlusory muscles are stimulated, the erection thus occasioned immediately constricts the urethra to such an extent that the voiding of urine is almost impossible.
www.oldandsold.com /articles10/sex-life-21.shtml   (1505 words)

 Genitourinary Case Report 8
Unilateral agenesis of the seminal vesicles is thought to result from an embryologic insult before separation of the ureteral bud from the mesonephric ducts, which usually occurs during the 7th week of gestation.
Unilateral agenesis is frequently associated with ipsilateral agenesis of the ductus deferens and with renal agenesis--79% of patients with absence of a seminal vesicle have ipsilateral renal agenesis, 12% had ipsilateral renal abnormalities, and only 9% had normal kidneys bilaterally.
Detection of congenital seminal vesicle abnormalities warrants evaluation of the remainder of the genitourinary tract.
www.med.nyu.edu /mri/gu/case08.html   (1247 words)

 Andrology Australia - Absence of Vas Deferens & Seminal Vesicles
The prostate and seminal vesicles provide about 90 per cent of the fluid in the ejaculate, so absence of the seminal vesicles can cause a smaller amount of ejaculate (usually about 0.5 ml, normal men > 2 ml).
The seminal vesicles also contribute to making the ejaculate alkaline, so when they are absent the acidity of the ejaculate is increased.
When the vas deferens and seminal vesicles are missing, it is usually possible to collect sperm directly from the testis or from the small remaining part of the epididymis and achieve pregnancies using assisted reproductive technologies.
www.andrologyaustralia.org /pageContent.asp?pageCode=AZABSENCE   (427 words)

 Article : Primary Adenocarcinoma of Seminal Vesicles ; Author : A Chhabra ; Co-Author(s) : SS Bhullar, R Oberoi, AK ...   (Site not responding. Last check: 2007-10-18)
The final pathological diagnosis was – Moderately differentiated adenocarcinoma of the seminal vesicles with infiltration of the prostate, bladder wall and metastases to pelvic lymph nodes.
In secondary spread from the prostate, early involvement of seminal vesicles is indicated by thickening of the tubal walls as seen on MRI.
We believe recognition of changes in signal intensity of the seminal vesicles is a more sensitive indicator of primary tumour than changes in their size similar to what is described for secondary invasion of seminal vesicles from prostate[5].
www.ijri.org /articles/archives/2002-12-1/case_report_75.htm   (966 words)

The usual appearance of a seminal vesicle cyst is that of cysts
Livingston L and Larsen C. Seminal Vesicle Cyst with Ipsilateral Renal Agenesis.
Giant cyst of the seminal vesicle with renal agenesis.
www.indianradiologist.com /cme8.htm   (619 words)

 UCLA Department of Medicine - wfsection-Hematospermia
Bleeding from the seminal vesicles or prostate is generally dark.
Cysts of the seminal vesicles or ejaculatory duct
Bleeding from varicosities in the urethra, prostate or seminal vesicles should be fulgurated.
www.med.ucla.edu /modules/wfsection/article.php?articleid=91   (1184 words)

 Invasion of the seminal vesicles by prostatic cancer: detection with transrectal sonography -- Terris et al. 155 (4): ...
Invasion of the seminal vesicles by prostatic cancer: detection with transrectal sonography -- Terris et al.
Invasion of the seminal vesicles by prostatic cancer: detection with transrectal sonography
(92%) had an abnormal appearance of the seminal vesicles on sonography.
www.ajronline.org /cgi/content/abstract/155/4/811   (229 words)

 Epithelial-Stromal Tumor of the Seminal Vesicles in the Transgenic Adenocarcinoma Mouse Prostate Model -- Tani et al. ...
Seminal vesicles are saccular glands composed of central cavity and peripheral pouches; luminal surface is system of anastomosing glandular structures oriented in various directions and lined by cuboidal to tall columnar epithelium.
vesicles was caused by invasive prostatic malignant neoplasms.
Rowlatt C: Carcinoma of the seminal vesicle in the mouse.
www.vetpathology.org /cgi/content/full/42/3/306   (3713 words)

 Internal anatomy earthworm lateral
Seminal receptacle: pocket related to the semen of an earthworm.
Crop: bulge of the esophagus of an earthworm.
Seminal vesicles: small hollow organs that carry the semen of an earthworm.
www.infovisual.info /02/006_en.html   (143 words)

 Prostate Cancer Research Institute - Glossary of Prostate Cancer Related Terms
seminal: related to the semen; for example, the seminal vesicles are structures at the base of the bladder and connected to the prostate  that provide nutrients for the semen
seminal vesicle invasion or involvement (SVI): prostate cancer cells are found in the seminal vesicle(s)
Stage C is a tumor clinically localized to the periprostatic area but extending through the prostatic capsule; seminal vesicles may be involved.
www.prostate-cancer.org /resource/gloss_s.html   (2002 words)

CHICAGO—Three-dimensional, CT-guided transischiorectal biopsy of the seminal vesicles in patients with biopsy-proven prostate cancer resulted in upstaging of 10% of patients, according to a report at the Radiological Society of North America (RSNA) annual meeting.
Standard ultrasound-guided biopsy of the seminal vesicles is not considered to be practical by some clinicians because it requires six needles to be placed through the bowel.
Twenty-four of the 30 men with a positive seminal vesicle biopsy were not considered to be at high risk for seminal vesicle involvement because they had a Gleason score of 7 or less.
www.cancernetwork.com /journals/oncnews/n0003y.htm   (427 words)

Seminal vesicles can even be snipped out and stored in ethanol and used later.
The trophozoites are extracellular parasites that live in the seminal vesicles of the earthworm and feed on developing sperm cells.
The sporozoites are released in the gut of the earthworm where they migrate to the seminal vesicles and mature into trophozoites.
www.woodrow.org /teachers/bi/1997/monocyst   (1535 words)

 CLS_1521_Seminal Fluid
Normal seminal fluid is slightly alkaline with a pH range of 7.2 to 7.8.
The alkaline nature of the seminal fluid protects the sperm from the acid environment of the vagina.
If this carbohydrate is absent, then it may indicate the absence of the seminal vesicles, obstruction of the seminal duct or some other abnormality.
www.clt.astate.edu /wwilliam/cls_1521_seminal_fluid.htm   (3253 words)

 ""Chronic Prostatitis": Treatment
While performing this procedure, I always try to compress the seminal vesicles with the transrectal transducer before and after the incision while observing the veru-region with the endoscope.
of either or both seminal vesicles if I, during a TUIED, got evidence of strictures in the ejaculatory ducts (if fluid does not exit the incised ejaculatory duct despite pressure on a dilated seminal vesicle, I always catheterize the duct cautiously with a thin catheter to make sure it is not occluded).
A few cases had large cystic spaces in the lower part of the seminal vesicle, interfering with free drainage into the ejaculatory duct.
www.prostatitis.org /tarf/p5.htm   (1793 words)

 Male Infertility Overview: Part II
Transrectal ultrasonography is ideally suited now for evaluation of the prostate, seminal vesicles and ejaculatory ducts in patients with azoospermia or low ejaculate volumes.
Although vasography has been used to visualize the seminal vesicles and ejaculatory ducts, transrectal ultrasonography is accurate, inexpensive and relatively non-invasive.
This includes congenital bilateral absence of the vas deferens, bilateral ejaculatory duct obstruction not corrected by transurethral surgery, obstructive azoospermia secondary to surgical removal of the vasal ampullae and seminal vesicles during cystoprostatectomy or radical prostatectomy, failed vasoepididymostomy where the prognosis for redo surgery is poor.
www.ivf.com /shaban2.html   (3755 words)

 Seminal Vesicle Removal--Prostatitis website
The indications for seminal vesiculectomy (surgical removal of seminal vesicle) are limited to very unusual and specific cases of infertility or chronic infection.
In the FEW patients in whom it may be indicated however, there is justifiable reluctance to proceed due to the difficulty of the standard surgical approach (which often involves division of the bladder neck or prostate) and the high complication rate.
It is done through a lower abdominal incision (called a "Gibson", which incidentally is the incision I use for a kidney transplant) and leaves the bladder and prostate untouched.
prostatitis.org /seminalectomy.html   (301 words)

 Androgen Modulation of the Messenger Ribonucleic Acid of Retinoic Acid Receptors in the Prostate, Seminal Vesicles, and ...
and/or malignancy in the prostate and seminal vesicles.
in the testis, prostate, seminal vesicle, kidney, and spleen of adult male rats.
in seminal vesicles of neonatal mice (49) emphasize the importance
endo.endojournals.org /cgi/content/full/138/2/553   (4104 words)

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