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Topic: Rete testis

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	Rete testis - Wikipedia, the free encyclopedia
		Rete testis is an anastomosing network of delicate tubules located in the hilum of the testicle (mediastinum testis) that carries sperm from the seminiferous tubules to the vasa efferentia.
		Rete tubular ectasia is a disorder of the rete testis in which many benign cysts are present.
		In the area of the rete testis, the sperm are concentrated as fluid and is reabsorbed.
	en.wikipedia.org /wiki/Rete_testis (220 words)

	USCAP 2003 Annual Meeting
		The tumor involves the rete and infiltrates the adjacent testicular parenchyma as a mass consisting predominantly of tubules and cords.
		Histologic criteria for the diagnosis of rete carcinoma include: a tumor involving and centered around the rete, transitions from normal rete epithelium to tumor epithelium, transitions from the tumor in the rete to the solid areas, and absence of a germ cell tumor.
		Watson PH, Jacob VC: Adenocarcinoma of the rete testis with sertoliform differentiation.
	www.uscap.org /site~/92nd/specgenih3.htm (864 words)

	Rete Testis Mucinous Adenocarcinoma in a Dog -- Radi et al. 41 (1): 75 -- Veterinary Pathology (Site not responding. Last check: 2007-09-07)
		Rete testis adenocarcinoma composed of tubules and acinar structures.
		Rete testis adenocarcinoma composed of tubules and acini that contained abundant mucinous secretions (MS), were surrounded by a moderate fibrous stroma, and lined by low cuboidal to columnar cells with well-defined cell borders.
		Newbold RR, Bullock BC, McLachlan JA: Adenocarcinoma of the rete testis.
	www.vetpathology.org /cgi/content/full/41/1/75 (1595 words)

	The Male Reproduction System
		The testis, slide #94, (examine both odd and even-numbered slides), is covered with a capsule of dense fibro-elastic connective tissue, tunica albuginea, which may be seen on one side of the testis fragment in your slide.
		The surface of the testis not covered with mesothelium is the region of the mediastinum testis where the seminiferous tubules converge to become excretory ducts and where blood vessels and nerves enter the gland.
		A large fraction of the fluid leaving the testis with spermatozoa is reabsorbed by the epithelia of the ductuli efferentes and the upper portion of the epididymis.
	ect.downstate.edu /courseware/histomanual/male_reprod.html (2587 words)

	94 Ductuli Efferentes review
		The ductules are encased in connective tissue and fat and begin at the rete testis that is encapsulated in the tunica albuginea of the testis.
		The delineation between rete testis and the efferent duct is abrupt, evidenced by the epithelium changing from low cuboidal to columnar in a sharp transition and a marked increase in peritubular capillaries (Amann et al., 1977; Robaire and Hermo, 1988).
		Evidence for this is the disappearance of certain bands of proteins from the rete testis fluid between the ductuli efferentes and the initial segment of the epididymis owing to their absorption in the ductuli and/or the initial segment (Jones, 1987; Koskimies and Kormano, 1975; Olson and Hinton, 1985).
	www.cvm.uiuc.edu /~rexhess/manuscp/94DE.html (17131 words)

	Sonography of the Scrotum -- Dogra et al. 227 (1): 18 -- Radiology (Site not responding. Last check: 2007-09-07)
		Diagrammatic transverse representation of the anatomy of the testis illustrates the relationships of tunica albuginea to mediastinum testis and of mediastinum testis to rete testis.
		testis, the appendix epididymis, the vas aberrans, and the paradidymis.
		The appendix testis (hydatid of Morgagni) is a müllerian
	radiology.rsnajnls.org /cgi/content/full/227/1/18 (7434 words)

	handout 2
		The testis is enclosed in the tunica albuginea surrounded by another tough tunic, the tunica vaginalis.
		The many convoluted seminiferous tubules in the testis in which the spermatozoa are formed finally straighten and join to form the rete testis.
		Arising from the rete testis are 12 or more out-going ducts, the vas efferentia, which emerge from the testis and enter the epididymis.
	www.wisc.edu /ansci_repro/lec/handouts/hd2.html (1470 words)

	Medscape MEDLINE search: Testis (Site not responding. Last check: 2007-09-07)
		Adenomatous hyperplasia of the rete testis (AHRT) is an uncommon benign lesion that preferentially involves the septal rete testis and mediastinal rete testis.
		PURPOSE: The etiology of the ascending testis is controversial.
		The small testis (Smt) mutant mouse is characterized by a small testis of one third to one half the size of a normal testis, and its spermatogenesis is mostly arrested at early stages of meiosis, although a small number of spermatocytes at the late prophase of meiosis and a few spermatids can sometimes be seen.
	search.medscape.com /uslclient/searchMedline.do?queryText=Testis (1227 words)

	Case 284 -- Genitourinary Pathology Case
		Benign epithelial tumors of the rete testis are very rare with only a few cases reported and described as adenoma
		On gross examination the tumor typically presents as a single well-circumscribed, partially cystic, tan or white mass confined to the region of the rete testis, measuring 1-3 cm.
		The remainder of the testis, spermatic cord and paratesticular structures are normal.
	path.upmc.edu /cases/case284/finaldx.htm (505 words)

	Cardiovascular and Defense
		The mediastinum is an extension of the tunica albuginea and is penetrated by numerous blood vessels and the rete testis.
		Associated with the testis is a region of tubules with relatively uniform height epithelium with hair-like projections.
		Some of these slides have mediastinum in the center of the testis and within it are the rete testis, easily identifiable by the cuboidal epithelium.
	www.fsu.edu /~histo/for~1.htm (2597 words)

	Blockage of the Rete Testis and Efferent Ductules by Ectopic Sertoli and Leydig Cells Causes Infertility in ... (Site not responding. Last check: 2007-09-07)
		Blockage of the Rete Testis and Efferent Ductules by Ectopic Sertoli and Leydig Cells Causes Infertility in Dax1-Deficient Male Mice -- Jeffs et al.
		The rete testis in 12-wk-old wild-type and Dax1-deficient male mice.
		testis and efferent duct, the mitogen(s) that are responsible
	endo.endojournals.org /cgi/content/full/142/10/4486 (5216 words)

	Rete and Recti
		The tubuli recti (straight tubules) are found within the body of the testis immediately continuous with the seminiferous tubules.
		The rete testis forms a network of anastomosing canals within the mediastinum, the dense collagen-rich connective tissue that is continuous with the connective tissue septa that divide the testis into lobules.
		This is an image showing the next part of the male excretory ducts called the Rete Testes, which are indicated by the blue arrows.
	www3.umdnj.edu /histsweb/lab16/lab16rectiandrete.html (296 words)

	2004 International Society of Urological Pathology Handout #1
		The testis is usually enlarged clinically and on gross inspection, the testicular parenchyma is lobulated, yellow, tan or brown in coloration.
		Nodular fibrous proliferation (fibrous pseudotumour) of the tunica vaginalis testis.
		Am J Surg Pathol 15:350-7, 1991.')" onmouseout="return nd();">76] Hyperplasia of the rete testis may be associated with a variety of conditions including testicular atrophy and may be seen in patients with carcinoma of the prostate gland or breast.
	www.uscap.org /site~/93rd/companion13h1.htm (6464 words)

	Testis and Scrotum
		We have observed microlithiasis of the epididymis and the rete testis in surgical (8 epididymis and 6 testis) and autopsy specimens (12 cases).
		In infants and young adults, microlithiasis of the epididymis and the rete testis is frequently associated with alterations in the development of the proximal spermatic way.
		We found Leydig cell hyperplasia, microlithiasis, angiopathy, adenomatous hyperplasia of the rete testis, SC nodules, SC dysgenesis and involution, SC-only tubules, tubular atrophy, adluminal compartment lesions, hypospermatogenesis associated with spermatocyte sloughing, spermatogonial maturation arrest, and hypertrophic and multinucleated spermatogonia.
	www.thedoctorsdoctor.com /bodysites/testis_scrotum.htm (5591 words)

	The Tunica Albuginea of the Human Testis Is Characterized by Complex Contraction and Relaxation Activities Regulated by ... (Site not responding. Last check: 2007-09-07)
		Soluble fractions (22 µg of protein each) of the homogenates indicated were analyzed by immunoblotting, using antibodies against GK I. Immunoreactivity is associated with a protein of 74 kDa, consistent with the size of the antigen (27).
		Pieces of the human tunica albuginea testis, representing 130–300 mg wet weight, were dissected from areas localized opposite to (1) or in close proximity to (2) the rete testis.
		The localization of the rete testis area, where the tunica albuginea is distinguished by spontaneous contractions, is shown.
	jcem.endojournals.org /cgi/content/full/87/7/3486 (6036 words)

	Medical Dictionary: Rete testis - WrongDiagnosis.com
		Rete testis: network of tubules carrying sperm from the seminiferous tubules to the vasa efferentia
		Rete testis : The network of channels formed at the termination of the straight SEMINIFEROUS TUBULES in the mediastinum testis.
		Rete testis channels drain into the efferent ductules that pass into the caput EPIDIDYMIS.
	www.wrongdiagnosis.com /medical/rete_testis.htm (222 words)

	Prevalence and Significance of Heterogeneous Testes Revealed on Sonography: Ex Vivo Sonographic--Pathologic Correlation ... (Site not responding. Last check: 2007-09-07)
		Hypoechoic strip in near field of testis was artifactual and did not correspond to pathology.
		Presumably, because most of testis was atrophic and sclerotic, no focal lesions were identified on sonography.
		Metastatic carcinoma involving the testis: clinical and pathologic distinction from primary testicular neoplasms.
	www.ajronline.org /cgi/content/full/175/2/347 (2742 words)

	Germ cell transfer into rat, bovine, monkey and human testes -- Schlatt et al. 14 (1): 144 -- Human Reproduction (Site not responding. Last check: 2007-09-07)
		pole of the testis to exteriorize the efferent ducts.
		The testis was freshly dissected directly after trypan blue injection via the intratesticular rete testis.
		The blue colour is observed in the rete testis area (stars) but does not proceed deep into the tubule area.
	humrep.oxfordjournals.org /cgi/content/full/14/1/144 (4836 words)

	Laboratory Twenty-One: Male Reproductive (Site not responding. Last check: 2007-09-07)
		The testis includes a portion of the tunica albuginea and good examples of seminiferous tubules and interstitial areas.
		The rete has a simple cuboidal epithelium and an irregular lumen because it is composed of a network of interconnecting cavities.Review the seminiferous epithelium on this slide.
		Describe the arrangement of seminiferous tubules and the rete testis within the connective tissue elements of the testis.
	medinfo.ufl.edu /year1/histo/review/lab21.html (1388 words)

	Testicle - Wikipedia, the free encyclopedia
		The testicles, or testes (singular testis), are the male generative glands in animals.
		The sperm travel from the seminiferous tubules to the rete testis located in the mediastinum testis, to the efferent ducts, and then to the epididymis where newly-created sperm cells mature (see spermatogenesis).
		seminal tract: Seminiferous tubules (Tubuli seminiferi recti, Rete testis, Efferent ducts)
	en.wikipedia.org /wiki/Testis (1413 words)

	Male Reproductive 2 Testes
		A layer of peritoneum is tightly adhered to the tunica albuginea of each testis.
		The connective tissue of the capsule continues into the testis on the posterior aspect as the mediastinum testis.
		Each testis is suspended at the end of a tissue called the spermatic cord which contains the
	www.cvm.okstate.edu /instruction/mm_curr/histology/MR/himrp2.htm (357 words)

	Revised guides for organ sampling and trimming: TESTIS and RETE TESTIS
		A transverse section containing the area of the rete testis provides good histology of seminiferous tubules as well as of the rete testis.
		Generally, the rete testis is very small in rodents and not well visible in the histological section.
		For inclusion of the rete testis in the histological section orientation is given by the vasculature.
	www.item.fraunhofer.de /reni/trimming/manus.php?mno=027 (401 words)

	Germ Cell Transplantation in Pigs -- Honaramooz et al. 66 (1): 21 -- Biology of Reproduction (Site not responding. Last check: 2007-09-07)
		Note the spatial distribution of dye in the rete testis and lobules of seminiferous tubules.
		The effects of rete testis fluid on the metabolism of testicular spermatozoa.
		Remodeling of the postnatal mouse testis is accompanied by dramatic changes in stem cell number and niche accessibility.
	www.biolreprod.org /cgi/content/full/66/1/21 (5306 words)

	Estrogen Receptor {alpha} Has a Functional Role in the Mouse Rete Testis and Efferent Ductules -- Lee et al. 63 (6): ... (Site not responding. Last check: 2007-09-07)
		in the male mouse demonstrate that the rete testis and efferent
		Clulow J, Jones R, Hansen L. Micropuncture and cannulation studies of fluid composition and transport in the ductuli efferentes testis of the rat: comparisons with the homologous metanephric proximal tubule.
		Fluid and electrolyte reabsorption in the ductuli efferentes testis.
	www.biolreprod.org /cgi/content/full/63/6/1873 (5543 words)

	Testis and epididymis
		Testis is composed of convoluted seminiferous tubules in a stroma with Leydig cells
		Rete testis: at testicular hilum; complex tubular architecture may resemble teratoma; connects testicular tubules to 12-15 ciliated efferent ducts, which merge into a single duct, the epididymis at its head; rete lined by flattened to columnar epithelium with numerous microvilli; efferent duct lumina are narrower than epididymis, lined by ciliated columnar cells with microvilli
		Cryptorchid testis are prone to trauma, torsion, inguinal hernia (10-20% of cases), sterility
	pathologyoutlines.com /testis.html (3275 words)

	Changes in spermatogenesis and endocrine function in the ram testis due to irradiation and active immunization against ... (Site not responding. Last check: 2007-09-07)
		testis of primates, pigs, and goats have shown to be a promising
		Average percentage of area filled by ultrasound-guided injection of trypan blue into the rete testis of testes from rams subjected to different treatments for depletion of endogenous germ cells.
		The effects of gonadotropin-releasing hormone immunization and recombinant follicle-stimulating hormone on the Leydig cell and macrophage populations of the adult rat testis.
	www.animal-science.org /cgi/content/full/83/3/604 (4076 words)

	Quality Assurance (Site not responding. Last check: 2007-09-07)
		Case History: M/48, presented to the ER with left incarcerated inguinal hernia, for which an undescended testis was removed.
		Seminoma with marked tumoral necrosis and reactive hyperplasia of rete testis.
		The remainder of the testis shows marked atrophy of the seminiferous tubules, consistent with cryptorchidism.
	www.hkcpath.org /qap/viewanswer.asp?case=AP123 (359 words)

	Lab Exercises- Testis and ducts
		Look at the middle of the section of the Testis where there is connective tissue radiating outward from the MEDIASTINUM TESTIS.
		After the sperm are produced they travel to the TUBULI RECTI (straight tubules) which are found in the septa radiating from the mediastinum.
		The tubuli recti connect the seminiferous tubules with the rete channels and tubules.
	cellbio.utmb.edu /microanatomy/Male_Reproductive/Testis_and_ducts.htm (1416 words)

	Neonatal Coadministration of Testosterone With Diethylstilbestrol Prevents Diethylstilbestrol Induction of Most ... (Site not responding. Last check: 2007-09-07)
		The rete testis lumenal area was quantified as a measure of
		Note that the coadministration of DES with TE was able to prevent the overgrowth and distension of the rete (top row) and the underdevelopment of the epithelium in the efferent ducts when compared with animals treated with DES alone.
		of the rete testis is perhaps not surprising, as this is a gross
	www.andrologyjournal.org /cgi/content/full/24/4/557 (5423 words)

	Benign Intratesticular Cystic Lesions: US Features -- Dogra et al. 21 (Supplement 1): 273 -- RadioGraphics (Site not responding. Last check: 2007-09-07)
		the mediastinum testis and the presence of epididymal cysts
		Mild cystic transformation of the rete testis (tubular ectasia) in a 52-year-old man. Longitudinal US scan of the right testis shows multiple avascular circular structures of varying sizes in the posterolateral region.
		The patient was uncomfortable from the spermatocele and underwent spermatocelectomy.
	radiographics.rsnajnls.org /cgi/content/full/21/suppl_1/S273 (2972 words)

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