Mesomycetozoea
Rhinosporidiosis
Rhinosporidium
Sri Lanka
Salivary Ducts
Assessing the accuracy of a polymerase chain reaction test for Ichthyophonus hoferi in Yukon River Chinook salmon Oncorhynchus tshawytscha. (1/4)
Ichthyophonus hoferi Plehn & Mulsow, 1911, is a cosmopolitan, protistan pathogen of marine fishes. It is prevalent in mature returning Chinook salmon Oncorhynchus tshawytscha in the Yukon River watershed, and may be associated with prespawning mortality. We developed and evaluated a polymerase chain reaction (PCR) test for I. hoferi using primers specific to the parasite's small subunit rDNA. The test has a minimum detection limit of approximately 10(-5) parasite spores per reaction and does not cross-react with the closely related salmon parasites Dermocystidium salmonis or Sphaerothecum destruens. Sensitivity and specificity of the PCR test used on somatic muscle and heart tissue for detecting infected fish were determined using 334 Chinook salmon collected from the Yukon River at 2 locations (Tanana and Emmonak) in 2003 and 2004. The true infection status of the fish was determined by testing somatic muscle, heart and kidney tissue using histological evaluation, culture, and PCR. The severity of infection was grouped into 2 categories, light and heavy infection. The probability of detecting a heavily infected fish (sensitivity of the test) was generally much higher than the probability of detecting light infection, suggesting that more than one tissue and/or method should be used to accurately detect light or early infection by I. hoferi. The probability of correctly identifying a negative fish (specificity of the test) was always greater than 94% regardless of the tissue used, infection severity, sampling site or year of collection. (+info)Sphaerothecum destruens pathology in cyprinids. (2/4)
(+info)PCR testing for diagnosis of Ichthyophonus hoferi: comment on Hamazaki et al. (2013). (3/4)
(+info)PCR testing for diagnosis of Ichthyophonus hoferi: reply to LaPatra & Kocan (2013). (4/4)
(+info)Mesomycetozoea infections, also known as Dermocystidiosis or Ichthyophonosis, are caused by microorganisms that were historically classified as fungi but are now considered to be closer to animals. These organisms can infect both humans and a wide range of animals, including fish.
The two most common genera associated with Mesomycetozoea infections are Dermocystidium and Ichthyophonus. Dermocystidium infections typically manifest as skin lesions or ulcers, while Ichthyophonus infections can cause systemic disease, affecting various organs such as the liver, spleen, and muscles.
In humans, Mesomycetozoea infections are rare and usually occur in individuals with weakened immune systems. The symptoms of these infections can vary widely depending on the specific organism involved and the site of infection. Treatment options for Mesomycetozoea infections are limited, but antifungal medications may be effective in some cases. Preventing exposure to infected animals or contaminated water is an important strategy for reducing the risk of these infections.
I'm sorry for any confusion, but "Mesomycetozoea" is not a widely recognized or established term in modern medical or scientific classification. It may refer to a group of microbial eukaryotes that were once considered to be a separate kingdom, Mesomycetozoa, but this classification has been controversial and is not currently accepted by most scientists. The organisms in this group are now more commonly classified within the Opisthokonta, which includes animals and fungi.
If you're looking for information on a specific medical or scientific topic, please provide more details so I can give you a more accurate and helpful response.
Rhinosporidiosis is a tropical disease caused by the infection of the Rhinosporidium seeberi parasite. It primarily affects the mucous membranes of the nose, eyes, and occasionally other sites such as the skin, throat, and genitals. The infection results in the formation of granulomatous growths or polyps that are typically painless but can cause symptoms like nasal congestion, discharge, and bleeding. Rhinosporidiosis is not highly contagious, and it's more commonly observed in regions with warm and humid climates, such as India, Sri Lanka, and parts of Africa.
Rhinosporidium is not a term that refers to a specific medical condition or disease on its own. Instead, it is the name of a genus of parasites called Rhinosporidium seeberi, which can cause a particular type of infection known as rhinosporidiosis.
Rhinosporidiosis is a rare infectious disease that primarily affects the mucous membranes of the nose, eyes, and mouth. It is caused by the Rhinosporidium seeberi parasite, which enters the body through cuts or abrasions in the skin or mucous membranes. Once inside the body, the parasite can form large, spore-filled cysts that can cause a range of symptoms, including nasal congestion, discharge, and bleeding.
While rhinosporidiosis is not common, it can be found in certain parts of the world, particularly in tropical and subtropical regions. The disease is typically treated with surgery to remove the cysts, followed by antibiotics or antifungal medications to prevent further infection.
Parasitic skin diseases are conditions caused by parasites living on or in the skin. These parasites can be insects, mites, or fungi that feed off of the host for their own survival. They can cause a variety of symptoms including itching, rashes, blisters, and lesions on the skin. Examples of parasitic skin diseases include scabies, lice infestations, and ringworm. Treatment typically involves the use of topical or oral medications to kill the parasites and alleviate symptoms.
I'm sorry for any confusion, but "Sri Lanka" is not a medical term or concept. Sri Lanka is an island country located in the Indian Ocean, south of India. It is known for its diverse landscapes ranging from rainforests and arid plains to highlands and sandy beaches.
If you have any questions related to medicine or healthcare, I would be happy to try and help answer them!
Lacrimal apparatus diseases refer to conditions that affect the structure and function of the lacrimal system, which is responsible for producing, storing, and draining tears. The lacrimal apparatus includes the lacrimal glands, lacrimal canaliculi, lacrimal sac, and nasolacrimal duct.
Diseases of the lacrimal apparatus can cause a range of symptoms, including watery eyes, redness, pain, swelling, and discharge. Some common conditions that affect the lacrimal apparatus include:
1. Dry eye syndrome: A condition in which the lacrimal glands do not produce enough tears or the tears are of poor quality, leading to dryness, irritation, and inflammation of the eyes.
2. Dacryocystitis: An infection of the lacrimal sac that can cause pain, swelling, redness, and discharge from the eye.
3. Nasolacrimal duct obstruction: A blockage in the nasolacrimal duct that can cause watery eyes, discharge, and recurrent infections.
4. Epiphora: Excessive tearing or watering of the eyes due to overflow of tears from the eye because of blocked tear ducts or increased production of tears.
5. Canaliculitis: An infection of the lacrimal canaliculi that can cause swelling, redness, and discharge from the eye.
6. Lacrimal gland tumors: Rare tumors that can affect the lacrimal glands and cause symptoms such as pain, swelling, and protrusion of the eyeball.
Treatment for lacrimal apparatus diseases depends on the specific condition and its severity. Treatment options may include medications, surgery, or a combination of both.
Salivary ducts are the excretory tubules that transport saliva from the major and minor salivary glands to the oral cavity. The main function of these ducts is to convey the salivary secretions, which contain enzymes and lubricants, into the mouth to aid in digestion, speech, and swallowing.
There are two pairs of major salivary glands: the parotid glands and the submandibular glands. Each pair has its own set of ducts. The parotid gland's saliva is drained through the parotid duct, also known as Stensen's duct, which opens into the oral cavity opposite the upper second molar tooth. The submandibular gland's saliva is transported through the submandibular duct, or Wharton's duct, which empties into the floor of the mouth near the base of the tongue.
Minor salivary glands are scattered throughout the oral cavity and pharynx, and their secretions are drained via small ducts directly into the oral mucosa.
A granuloma is a small, nodular inflammatory lesion that occurs in various tissues in response to chronic infection, foreign body reaction, or autoimmune conditions. Histologically, it is characterized by the presence of epithelioid macrophages, which are specialized immune cells with enlarged nuclei and abundant cytoplasm, often arranged in a palisading pattern around a central area containing necrotic debris, microorganisms, or foreign material.
Granulomas can be found in various medical conditions such as tuberculosis, sarcoidosis, fungal infections, and certain autoimmune disorders like Crohn's disease. The formation of granulomas is a complex process involving both innate and adaptive immune responses, which aim to contain and eliminate the offending agent while minimizing tissue damage.
List of MeSH codes
Rhinosporidiosis
Rhinosporidium seeberi
Dermocystidium
Biomphalaria glabrata
Amoeba
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Helminthiasis1
- Infections with roundworms (NEMATODE INFECTIONS) and tapeworms (CESTODE INFECTIONS) are also known as HELMINTHIASIS. (wakehealth.edu)
PARASITES4
- Infections of the brain, spinal cord, and meninges caused by parasites. (mcw.edu)
- Liver diseases caused by infections with PARASITES , such as tapeworms ( CESTODA ) and flukes ( TREMATODA ). (nih.gov)
- Infections of the INTESTINES with PARASITES, commonly involving PARASITIC WORMS. (wakehealth.edu)
- Mild to severe infections of the eye and its adjacent structures (adnexa) by adult or larval protozoan or metazoan parasites. (sdsu.edu)
Flukes1
- Infection with flukes (trematodes) of the genus SCHISTOSOMA. (lookformedical.com)
Typically1
- Rhinosporidiosis is an infection that typically is limited to the mucosal epithelium. (medscape.com)
Results1
- Infection usually results from a local traumatic inoculation with the organism. (medscape.com)
Rhinosporidiosis3
- Rhinosporidiosis is a chronic granulomatous infection of the mucous membranes that usually manifests as vascular friable polyps that arise from the nasal mucosa or external structures of the eye. (medscape.com)
- Rhinosporidiosis is an infection that typically is limited to the mucosal epithelium. (medscape.com)
- Rhinosporidiosis was classed as a fungal infection but is now considered a protistan parasite that belongs to the class Mesomycetozoea. (nih.gov)
Organisms2
- [ 16 ] Molecular biological techniques have more recently demonstrated this organism to be an aquatic protistan parasite, and it has been placed into a new class, the Mesomycetozoea, along with organisms that cause similar infections in amphibians and fish. (medscape.com)
- Infections with unicellular organisms formerly members of the subkingdom Protozoa. (nih.gov)
Chronic granulomatous1
- Infection usually causes a chronic granulomatous reaction resulting in polypoid growths within mucous membranes (5, 6). (eyerounds.org)
Protozoan1
- was thought to be a fungus for nearly 100 years but has more recently been classified as a Mesomycetozoea, an aquatic protozoan parasite (1,2). (eyerounds.org)
General2
- Infecciones por MESOMYCETOZOEA, en general o sin especificar. (bvsalud.org)
- Infections by MESOMYCETOZOEA , general or unspecified. (bvsalud.org)
Symptoms2
- He presented with no other systemic symptoms, except for a recent upper respiratory infection. (eyerounds.org)
- No patient presented symptoms of urinary tract infection nor was readmitted to the hospital until follow-up with CT scan at approximately 2 months after the procedure. (s-gold.hu)
Animal1
- Local infection from exposure to the organism appears to be implicated in the pathogenesis of R. seeberi , but thus far, it has not been possible to intentionally infect an animal model (2). (eyerounds.org)