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1,150 results for “Genitive”
FIGURE 4 in Fine Structure Of The Male Genital Systems, Spermatophores And Unusual Sperm Cells Of Saxidromidae (Acari, Actinotrichida)
FIGURE 4:: TEM micrographs of transversely sectioned progenital chambers of Rhinodromus lootsi (a, d-f) and Bovidromus roussouwi (b, c). (a) – Posterior part of ejaculatory duct with eugenital opening (arrow) and secondary genital opening bordered by progenital lips. Note accessory gland and position of (retracted) genital papillae. Scale bar: 20 µm. (b) – Genital papilla. Note many mitochondria and peculiarly modified cuticle. Scale bar: 5 µm. (c) – Detail showing modified cuticle of genital papilla. Note the thick cuticle consisting mainly of many loosely arranged fibres and thus giving a cushion-like appearance. Scale bar: 1.2 µm. (d) – Progenital chamber and accessory glands. Scale bar: 20 µm. (e) – Accessory gland with branching ducts. The cells contain numerous lipid inclusions. Scale bar: 10 µm. (f) – Detail showing two sections through thin ducts, which are cuticle-lined. Scale bar: 2 µm.
FIGURE 2 in Fine Structure Of The Male Genital Systems, Spermatophores And Unusual Sperm Cells Of Saxidromidae (Acari, Actinotrichida)
FIGURE 2: TEM micrographs of details of testis of Rhinodromus lootsi (a-c, e) and Saxidromus delamarei (d). (a) – Overview of testis. Note thick epithelium comprising the glandular part and area with round spermatids composing the germinal part of testis. Scale bar: 20 µm. (b)– Detail of glandular part showing large nuclei, conspicuous nucleoli and Golgi bodies. Scale bar: 5 µm. (c) – Nuclear region of glandular epithelial cell with numerous rough ER cisternae and Golgi bodies. Scale bar: 2 µm. (d) – Detail of germinal part of testis of S. delamarei showing synspermatid containing four nuclei (N1-N4). White arrows indicate cell membrane bordering the synspermatid. Note tubular invaginations at the cell peripheriy. Three acrosomal vacuoles (black arrows) and parts of acrosomal filaments are also seen. The nuclei, at the beginning of chromatin condensation, still have a nuclear envelope (arrowheads). Scale bar: 1 µm. (e) – Distal part of testis with large synspermatid. Two much condensed chromatin bodies are seen. Scale bar: 5 µm.
FIGURE 1 in Fine Structure Of The Male Genital Systems, Spermatophores And Unusual Sperm Cells Of Saxidromidae (Acari, Actinotrichida)
FIGURE 1: Light micrographs of transverse sections through the posterior part of the idiosoma of Rhinodromus lootsi. (a) – Shortly in front of the genital opening. The two vasa deferentia located below the midgut are seen containing several synspermia. (b) – Slightly posterior, the genital opening is appearing. The vasa deferentia are connected by a transverse bridge (asterisk indicates a shrinkage artifact). (c) – More posteriorly, the ejaculatory duct with its dorsal chamber appears (asterisk indicates artifact). (d) – The paired testis are seen consisting of germinal and glandular parts. The dorsomedian excretory organ (i.e. the postcolon; e.g., Alberti and Coons 1999) is seen. Note that all parts of the genital system are located ventral of the digestive system. Scale bar: 50 µm.
FIGURE 6 in Fine Structure Of The Male Genital Systems, Spermatophores And Unusual Sperm Cells Of Saxidromidae (Acari, Actinotrichida)
FIGURE 6: Comparison of mating by Saxidromus delamarei and Rhinodromus lootsi and their corresponding spermatophores as seen in TEM (that of Rh. lootsi partially reconstructed; a, d from Coineau et al., 2006, b from Alberti et al., 2007). (a) – Some details of the mating sequence from above to below: S. delamarei male (black) has captured a female with its forelegs and deposits a rather large spermatophore (arrow). The male then turns round and impales the female onto the spermatophore. The spermatophore almost fills the "entire" female. The male has to separate the upper part of the spermatophore (which is more or less in the female) from the lower part which is attached to the ground. (b) – Longitudinal section of spermatophore of S. delamarei. Note the considerable amount of secretion forming the spermatophore and the rather small sperm chamber containing dense secretion and many synspermia. (c) – Spermatophore of Rh. lootsi drawn to same scale as that of S. delamarei. The head is (largely) represented by one synspermium. Stalk added schematically. Scale bar for b and c: 50 µm. (d) – Mating sequence seen in Rh. lootsi. Note that the spermatophore (arrow) produced by the male is considerably smaller bearing a very small head (i.e., mainly the synspermium). The male can use the same stalk several times depositing further synspermia on it. The male inserts its dorsoanteriad protruding processus into the female's genital opening prior to spermatophore deposition (not shown; see Coineau et al., 2006 for more details).
Assessing the prevalence of Female Genital Schistosomiasis and comparing the acceptability and performance of health worker-collected and self-collected cervical-vaginal swabs using PCR testing among women in North-Western Tanzania: the ShWAB study
<p>Female genital schistosomiasis (FGS) is a severe neglected disease, caused by infection with <em>Schistosoma haematobium</em>. The WHO has prioritized the improvement of diagnostics for FGS and previous studies have explored the PCR-based detection of <em>Schistosoma</em> DNA on genital specimens, with encouraging results. We aimed to determine the prevalence of FGS among women living in an endemic district in North-western Tanzania, applying and preliminary comparing self-collected and operator-collected cervical-vaginal swabs followed by PCR, and to assess the acceptability of these sampling procedures.</p>
Data from: Divergence in the internal genital morphology of females is correlated with divergence in male intromittent structures among populations of a millipede
<p>Our understanding of genital evolution comes largely from studies of male genitalia. Females have received far less attention because of the difficulties inherent in quantifying the shapes of their internal genital structures. Here we combine advances in micro-computed tomography with a new landmark free method of quantifying three-dimensional trait shape, to document patterns of divergence in female genital shape, and the correlated divergence of male genitalia among populations of the millipede Antichiropus variabilis. We used single nucleotide polymorphisms to estimate levels of neutral genetic divergence among seven populations of millipede. Genetic divergence was high and correlated with geographic distance. Comparing phenotypic divergence in genital shape to neutral genetic divergence, we found that genital shape for both females and males has diverged more than would be expected from random drift, consistent with a pattern of directional selection. While there was significant covariation between female and male genital shape across populations, the magnitude of divergence in genital shape between the sexes was not correlated. Our results demonstrate the utility of using three-dimensional scanning technologies to examine female genital traits and add to a small but growing number of studies showing that like male genitalia, female genitalia can be under strong directional selection.</p>
Biological Efficacy Study of HerpV Vaccine With QS-21 to Treat Participants With Recurrent Genital Herpes
ClinicalTrials.gov study NCT01687595. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Patient-initiated Episodic Treatment of Recurrent Genital Herpes in Black Patients
ClinicalTrials.gov study NCT00477334. IPD Sharing: Not stated. Countries: 2. Publications: 1.
Betaglucin 0.2% Versus Imiquimod 5% in Treatment of Ano-genital Warts: Combined Results From Triple Blind Controlled Study
ClinicalTrials.gov study NCT03901690. IPD Sharing: YES. Countries: 1. Publications: 2.
An Efficacy and Safety Study of Apremilast (CC-10004) in Subjects With Moderate to Severe Genital Psoriasis
ClinicalTrials.gov study NCT03777436. IPD Sharing: YES. Countries: 7. Publications: 2.
Efficacy and Safety of Famciclovir 1-day Treatment Compared to 3-day Treatment With Valacyclovir in Adults With Recurrent Genital Herpes
ClinicalTrials.gov study NCT00306787. IPD Sharing: Not stated. Countries: 4. Publications: 1.
Influence of Antiretroviral Regimen on Immune Reconstitution in the Female Genital Tract
ClinicalTrials.gov study NCT01456962. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Study to Assess the Safety and Efficacy of Subcutaneously Injected Risankizumab in Adult Participants With Genital or Scalp Psoriasis
ClinicalTrials.gov study NCT05969223. IPD Sharing: YES. Countries: 1. Publications: 1.
Safety and Efficacy Study for a New Antiviral Drug to Treat Genital Herpes Type 2
ClinicalTrials.gov study NCT01047540. IPD Sharing: Not stated. Countries: 1. Publications: 1.
The Compartmental Biology of HIV in the Male Genital Tract
ClinicalTrials.gov study NCT02638493. IPD Sharing: NO. Countries: 1. Publications: 4.
Treatment of External Genital Warts With Cryotherapy and Sinecatechins 15% Ointment
ClinicalTrials.gov study NCT02147353. IPD Sharing: Not stated. Countries: 1. Publications: 1.
A Placebo-Controlled Study Using VP-102 in the Treatment of External Genital Warts
ClinicalTrials.gov study NCT03981822. IPD Sharing: NO. Countries: 1. Publications: 1.
Accelerated Genital Tract Aging in HIV: Estradiol Clinical Trial
ClinicalTrials.gov study NCT04079218. IPD Sharing: YES. Countries: 1. Publications: 5.
A Study of JNJ-77242113 for the Treatment of Participants With Plaque Psoriasis Involving Special Areas (Scalp, Genital, and/or Palms of the Hands and the Soles of the Feet)
ClinicalTrials.gov study NCT06095102. IPD Sharing: YES. Countries: 11. Publications: 1.
Effect of Tenofovir on Genital Herpes Simplex Virus (HSV) Shedding
ClinicalTrials.gov study NCT01448616. IPD Sharing: Not stated. Countries: 1. Publications: 2.
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International Brain Laboratory public data
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OpenNeuro
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