Testis

Artificial Testis Developed by AIIMS a Boon to Suffering Patients

All India Institute of Medical Sciences (AIIMS) has developed artificial testis, which will help those suffering from testicular cancer, underdeveloped genitals.// Doctors at the premier referral hospital have already operated upon over 50 patients suffering from such problems, achieving 100 ...

A New Research Demonstrates HIV-1 In Resident Immune Cells Of Human Testis

A new research has found that the human testis harbors HIV-1 in resident immune cells, providing an explanation for the persistence of virus in semen even after effective// highly active antiretroviral therapy (HAART). A related report by Roulet et al., “Susceptibility of human testis to human immu...

Sperm Cell Insights May Aid Stem Cell Research

...ers reduced the stem cell population in the flies' testis to zero and found that only 60 percent of testis in the genetically altered flies regained stem cells, compared with 97 percent of testis in normal flies. "We know now that in the fly t...

European Society for Pediatric Urology to organize anniversary congress in Amsterdam

... this CME-accredited meeting. Apart from lectures, the programme also includes panel discussions (for example about 'Hormonal aspects of undescended testis current status'), a workshop and abstract presentations. The paediatric nurses (ESPUN) offer a separate programme, including 4 sessions (Session ...

Penn vet researchers identify a critical growth factor that stimulates sperm stem cells to thrive

...e team previously discovered that the niche in the testis of a newborn male mouse supported stem cells and t...ding demonstrated that it was the SSC niche in the testis that was failing in older males long before the st...ifferentiation of SSCs provides the foundation for testis function and fertility. Using DNA microarray trans...

Medical imaging benefits far outweigh radiation risks

...cation (MOC) guarantees into every nuclear medicine professional's practice. Positron emission tomography (PET)a state-of-the-art molecular imaging testis a noninvasive, painless molecular imaging technology that allows physicians to determine how organs and tissues inside the body are functioning on a m...

One in Three Cancer Survivors on Unemployment Line

...tinal cancer and cancers of the female reproductive organs, but unemployment rates were not higher for survivors of blood cancers, prostate cancers or testis cancers compared to controls," she added. Results of the study were published in the Feb. 18 issue of the Journal of the American Medical Associa...

The Obama Cancer Plan Should Prioritize Prevention, Says Cancer Prevention Coalition

...1975 to 2005, when the latest NCI statistics were published. These include malignant melanoma (172%), Non-Hodgkin's lymphoma (79%), thyroid (116%), testis (60%), and childhood cancers (38%). As widely reported in the November 26, 2008, press, the NCI claimed that the incidence of new cancers has bee...

Living with females extends the reproductive life of the male mouse, says Penn veterinary researcher

...tem cells, or SSCs. Brinster's team first discovered that the niche in the testis of the newborn male mouse supports the stem cell and its differentiation to...life of the stem cell. Therefore, in old males it was the SSC niche in the testis that was failing long before the SSC, which was relatively long-lived. Th...

Annual Congress European Association of Urology: highlights in Stockholm

...rof. Peter Albers (DE)). The latter meeting will discuss techniques in organ-sparing surgery and the latest updates on chemo and radiation therapy for testis cancer. Third-day sessions will highlight current challenges in urology starting with a plenary session on the evolution of new technologies and tr...

Testis in Medical Products

MIS/AMH ELISA Test

Description:... (3). The structure of a specific receptor for MIS/AMH has also been isolated and characterized (4). MIS/AMH is produced by the Sertoli cells of the testis in the male, and by ovarian granulosa cells in the female. During embryonic development in males, secretion of MIS/AMH from testicular Sertoli cells i...
Company:Diagnostic Systems Laboratories, Inc.

Testis in Medical Dictionary

Testis

The testis has collateral blood supply from 1. the cremasteric artery (a branch ... The function of the blood- testis barrier (red highlight in diagram above) may be ... testis n. , pl. -tes . The reproductive gland in a male vertebrate, the source of spermatozoa and the androge...

Visual acuity test

...al results, abnormal results and diagnosis, as ... Visual Acuity Test   Normal, Near, and Farsightedness ... The visual acuity testis used to determinethe smallest letters a person can read on a standardized chart or card held 14- 20 feet away. Eye test - acuity Vision ... ....

Vas deferens

... vat/buis/leider (anatomisch) Français (French) ... Vas deferens . EPIDIDYMIS AND TESTICLE. CROSS SECTION OF TESTICLE. Efferent ductules. Rete testis ... Vas deferens . 3 Regional lymph node(s) involved only ... Through an opening, the two vas deferens tubes are cut. ... The vas def...

Undescended testicle

... or both testes from the scrotum. This usually represents failure of the testis to move, or "descend," during fetal development from an abdomi...iagnosis, Treatment ... Undescended testicle is suspected when the testis is not easily identified in the scrotum. ... of the time, an undescended ...

Testicular torsion

...ales under 25, but it can ... Patient information: A handout on testicular torsion , written by the authors of ... Torsion of the appendix testis is more common in children than testicular ... More about Testicular Torsion : Causes and symptoms Diagnosis Treatment Prognosis Prevention ...

Scrotum

... scrotum . ... Normally, by lying in the scrotum , the testicles stay about 6 degrees cooler ... The scrotum of a patient with an undescended testis can appear underdeveloped. ... It causes the scrotum or groin area to swell. ... It is located higher up in the scrotum . ... of a congenit...

Orchitis

... may also cause orchitis . ... Epididymo- orchitis (inflammation of both testis and part of the ... Free articles and multimedia from The NY Times, in...ws ... Overview: Orchitis is an acute inflammatory reaction of the testis secondary to infection. ... Orchitis ... Mumps orchitis presents unila...

Leydig cell tumor

... ... Malignant Leydig cell tumor of the testis associated with Klinefelter's syndrome. ... Leyd..., Brogi E, ... Non-Germ Cell Tumors of the testis - Tumors of the testis - Leydig Cell Tumors - Sertoli Cell Tumor...

Hydrocele

... A hydrocele testis is the accumulation of fluids around a testicle, and is fairly common. ......ill usually pass light, where a tumor will not, but ... A hydrocele testis is an accumulation of clear fluid in the tunica vaginalis, the most interna...

Gonad

...sticles) or female gonads (ovaries), the vernacular, or slang, use of... gonad ( ) n. An organ in animals that produces gametes, especially a testis or ovary. ... What is the male gonad of a flower? ... gonad a gland in which gametes (sex cells) are produced ... the relationship between ...

Testis in Biological News

Human testis harbors HIV-1 in resident immune cells

Researchers have demonstrated HIV replication within resident immune cells of the testis, providing an explanation for the persistence of virus in semen even after effective highly active antiretroviral therapy. The related report by Roulet et al., “Susceptibility of human testis to human immunodef...

Playing it safe

... in culturing a clearly defined cell type from the testis of adult mice and converting these cells into plur...g process. ( Cell Stem Cell , July 2, 2009) The testis is a sensitive organ and an astonishing one at tha... researchers have long assumed that cells from the testis have a similar potential as in embryonic stem cell...

Human adult testes cells can become embryonic-like

...searchers are among the first scientists to show that human testes stem cells can become embryonic stem-like cells, and they have done this work using testis tissue from organ donors, which they say has provided enough valuable tissue to allow them to make their discoveries. While they have published their ...

6th ESOU Meeting

...s such as prostate cancer (PCa), renal cell carcinoma and bladder cancer were the focus of last year's meeting in Berlin. Apart from these conditions, testis cancer will be another highlight of the forthcoming meeting in Istanbul. Prof. Levent Trkeri (Istanbul, Turkey), ESOU board member and local organ...

Female embryonic sexual development driven by universal factor

...o led the study. "They have a common primordium, the foundation for both testis and ovary," he said. "Only at a certain stage of development does this prim... cast of molecules known to be involved in transforming the primordium into testis or ovary. This molecule, beta-catenin, is an important regulator of cell pr...

ACS PressPac -- Sept. 17, 2008

...argets for new male contraceptives as well as medications for treating infertility. JS ARTICLE #4 FOR IMMEDIATE RELEASE "Proteomic Analysis of testis Biopsies in Men Treated with Injectable Testosterone Undecanoate Alone or in Combination with Oral Levonorgestrel as Potential Male Contraceptive" ...

Stem cell chicken and egg debate moves to unlikely arena: the testes

...the cells that comprise a specialized niche in the testis of fruit flies actually emerge from adult stem cel...estigators thought that a fruit fly's allotment of testis niche cells was handed out at birth and meant to l...led by first author Justin Voog, actually caught a testis stem cell population in the act of turning into th...

Diabetes linked to male infertility; excess sugars in the body have direct effect on sperm quality

...rmidine, compounds responsible for cell growth that help stabilise the structure of DNA. We also found that spermatogenesis 20, a factor unique to the testis and whose function remains unknown, was greatly increased. Taken together, these factors indicate clearly that having diabetes has a direct influence ...

Veterinary college researcher studying brain tumors in people and animals

...now that when astrocytomas spontaneously arise in people, they over-express three proteins: interleukin 13 receptor alpha2 (IL-13R), which is a cancer testis tumor like agent; EphA2, a tyrosine kinase receptor; and fos-related antigen 1, an AP-1 transcription factor. Rossmeisl and colleagues working in ...

Researchers discover that sheep need retroviruses for reproduction

...ir genetic material into the DNA of host cells, he said. During evolution of mammals, some retroviruses infected the germline (cells of the ovary and testis that have genetic material that are passed to their offspring) of the host, which is then inherited by their children. These retroviruses, known as e...

Testis in Biological Technology

New Report Just Published: World Prostate Cancer Therapeutics Market Report

...7: Five-Year Cancer Survival Rate Among US Males by Type - Prostate and testis (1996-2002) (includes corresponding Graph/Chart) II-10 Table 8: Fi...2: Five-Year Cancer Survival Rate Among US Males by Type - Prostate and testis (1996-2002) (includes corresponding Graph/Chart) III-8 Table 33: F...

Mouse Brain or Impressionist Painting?

...e University of Massachusetts for her depiction of the mitotic spindle in a diving cell; Earl Nishiguchi of the University of Hawaii for his fruit fly testis image; Jan Schmoranzer of Columbia University for his photo of serum starved fibroblasts; and M.R. Dadpour of the University of Tabriz, Iran, for his ...

Of mice and men: new male contraceptives successful in rodents and humans

...red with vitamin A receptors in the testes. Her team tested it in mice, and it worked with no health effects. "The receptors are everywhere, but the testis is exquisitely sensitive to the drug. So we can use a dose that is so low it has no effect on the rest of the body." So the drug doesn't harm mice...

Protein Depletion for Plasma and Serum Proteomic Analysis

...er discovery. In addition, proteomic profiles of human tissues like the brain, heart, liver, lung, muscle, pancreas, spleen, and testis are now being explored [29]. While the usefulness of these alternative biological fluids or tissues has not yet been clearly est...

Tissue Specificity for Mutation Parallels Tissue Specificity for Cancer

...g Liver, kidney, lung Bladder, bone marrow, testis TDBP 1 Kidney Kidney, liver ...ch as the urinary bladder (1.7 x 10 -5 versus 1.4 x 10 -5 in controls), testis (0.39 x 10 -5 versus 0.48 x 10 -5 in controls), and bone marrow (1.7 x ...

New Kit Generates Exceptionally Pure Total RNA for RT-PCR

...nding to approximately 0.1% or less, 0.1 to 1%, and 1% of total RNA, respectively) 5 in total RNA isolated from mouse liver and testis using the Absolutely RNA kit. For the experiment shown in Figure 3 , the ProSTAR first strand RT-PCR kit was used to ...

Testis in Biological Products

Multiple Species Tissue Array - Testis Tissue from ProSci, Inc

Description: The Multiple Species Tissue Array (MSTA) slides were designed to study protein expression patterns in different cells and tissues from multiple species. Tissue slices from three different species are mounted on each MSTA slide which can then be treated as a single histological slide for H&E staini...
Company:ProSci, Inc

Rapid-Screen Arrayed cDNA Library Panels Master Plates -Mouse Testis from OriGene Technologies

Description: The Rapid-Screen cDNA Library Panels were designed for full-length gene cloning and require just three sets of PCRs to identify the desired cDNA clone. The first PCR analysis is performed in a 96-well "Master Plate," where each well contains plasmid DNA from 5,000 clones. Having identified the posi...
Company:OriGene Technologies

Mouse Anti-Human Embryonal Carcinoma Ab-1 Monoclonal Antibody, Unconjugated, Clone 4C4 from Lab Vision

Description:... Comments: Ab-1 stains tumor cells of embryonal carcinoma of testis and ovary but not other type of germ cell tumors like seminoma. Glandular epithelium of yolk sac tumor and immature teratoma are positive. Luminal and...
Company:Lab Vision

Rabbit Anti-Human PDGF-D Monoclonal Antibody,, Clone ZMD.440 from Invitrogen

Description:...he ~50 kDa human mouse and rat PDGF-D proteins. Reactivity: Human (positive controls: NTERA-2 (NT2/D1) SK-OV-3 U251 A172 cell lysates rat ovary mouse testis and mouse fetal brain homogenates). Applications: Western blotting...
Company:Invitrogen

Testis in Biological Definition

Spermatogenesis

...dria to finally become mature testicular spermatozoa. They are then released into the lumen of the seminiferous tubule and travel with fluid from the testis into the epididymis for further maturation processes allowing them to swim forward and fertilize an ovum. ...

Y chromosome

... the total DNA in cells. The chromosome may be used to trace parental lineage. It is one of two sex chromosomes ; it contains the genes that cause testis development, thus determining maleness . Contents showTocToggle("show","hide") 1 Function 2 Chromosomal conditions related to c...

Testis in Biological Dictionary

Y chromosome

... The Y chromosome is the sex-determining chromosome in most mammals, including humans. In mammals, it contains the gene SRY, which triggers testis development, thus determining sex. The human Y chromosome is composed of about... The Y chromosome spans about 58 million base pairs (t...

Testes

...otum. ... 4.2 Diseases and conditions that affect the testes . 4.3 Effects of exogenous hormones ... Tes·te n. [So called fr. L. teste , abl. of testis a witness, because this was formerly the ... Failure of the testes to descend is known as cryptochordism. ... Online Medical Dictionary and gloss...

Spermiogenesis

... in mature sperm. ... configuration during spermiogenesis in Drosophila ... This process is spermiogenesis . 3. ... Spermiogenesis ends in the testis with release of the spermatozoa from the Sertoli cell ... [edit] Spermiogenesis ... providing nourishment, support and possibly hormones duri...

Spermatids

...tids (arrows) ... Labelling is restricted to the cytoplasm of elongating spermatids . ... The release of mature elongated spermatids from the testis (spermiation) is also ... Early round spermatids in stages I-VII are suppressed to 20% of normal, yet ... Rodent spermatocytes, round and elongat...

Spermatogenesis

...e Spermatogenesis Cytogenetic and Genome... Given that spermatogenesis relies on, among other things, the normal development ... Diagram of the testis and spermatogenesis . ... Spermatogenesis is the process of producing sperm with half the number of ... Spermatogenesis occurs in medullary ...

Seminiferous tubules

...rous tubules exposed through an incision in the testis capsule. ... The slides contain, seminiferous ...iferous tubules are the exocrine portion of the testis producing and " ... seminiferous tubules at...nsible for ... The seminiferous tubules of the testis provide a specialized ... seminiferous tubules ...

Scrotum

...y by a middle ... Normally, by lying in the scrotum , the testicles stay about 6 degrees cooler ... The scrotum of a patient with an undescended testis can appear underdeveloped. ... Scrotal mass — Comprehensive overview covers symptoms, causes, treatments of abnormalities in the scrotum . ... The...

Interstitial cells

... ... EFFECT OF SEASON AND GONADOTROPIN ON TESTICULAR INTERSTITIAL CELLS OF CALIFORNIA QUAIL ... THAT the interstitial (Leydig) cells of the testis are the major source of ... Home > Dogs Home Page > Reproduction > Article: Interstitial Cell Tumor ... An interstitial cell tumo...

Gonads

...icles) or female gonads (ovaries), the vernacular, or slang, use of... gonad ( ) n. An organ in animals that produces gametes, especially a testis or ovary. ... Main article: Development of the gonads ... Development of the gonads The prenatal development of the gonads is a part of the d...

Expressed sequence tag

...nt and Investigation Kit is a tool dedicated to ... R.N., Souza M.T. Jr. Analysis of expressed sequence tags from Musa acuminata ssp. ... Pig testis Expressed Sequence Tags (PtEST) database is the collection of ESTs ... organized into these subject databases: Expession Sequence Tag (EST) ...