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What does protozoa cause?
Cause of Protozoa- parasitic infections in humans are usually in the size range of 1-100 micrometres (millionths of a metre) and have two stages in life cycle. *Infection is usually spread by structures called cysts which are cells that have secreted a protective layer around them so that they can survive the journey from one host to the next. Once inside the new host, these cysts develop into the active protozoa which grows, reproduces and causes symptoms of disease in the new host. *Common infections caused in humans are amoebic dysentery, sleeping sickness and malaria. *Protozoa can infect any human tissue, and are the cause of a variety of diseases.
What is the morphology of protozoa?
Protozoa exhibit a diverse range of morphologies, typically characterized by their unicellular structure. They can vary in shape from spherical to elongated, and some possess specialized features like cilia, flagella, or pseudopodia for movement and feeding. Protozoa may also have protective coverings, such as cysts or shells, depending on their environmental conditions. Additionally, their internal structures, like the nucleus and various organelles, can vary significantly among different protozoan groups.
What is another name for perineural cysts?
Perineural cysts (also called Tarlov cysts)
Why use gram iodine in stool examination?
Gram iodine serves as a mordant in stool examination to enhance the visualization of bacterial structures. It helps bind the crystal violet stain to the peptidoglycan layer of bacterial cell walls, making them more easily distinguishable under the microscope. This aids in identifying and characterizing different bacteria present in the stool sample.
Do choroid cysts only appear in the eye?
Choroid cysts primarily occur in the eye, specifically in the choroid layer of the eye, which is located between the retina and the sclera. However, similar cystic structures can also appear in other parts of the body, such as the brain (e.g., choroid plexus cysts). While the term "choroid cyst" is most commonly associated with the eye, it's important to recognize that cysts can form in various tissues and organs.
Compare and contrast a zygospore a cyst and an endospore?
A zygospore is a resting spore formed from the fusion of gametes in some fungi and algae. A cyst is a protective structure formed by some microorganisms in response to harsh environmental conditions. An endospore is a dormant, resistant structure formed by certain bacteria to survive adverse conditions. Both cysts and endospores help organisms withstand environmental stress, while zygospores are involved in sexual reproduction.
Thriving in Terrestrial Environments?
Numerous genera that inhabit soil can form resting stages that enable survival in dry periods 2) Endospores, cysts, fruiting bodies, and mycelium are examples of resting stage structures 2.1) Bacillus and Clostridium species produce endospores 2.2) Azobactor species produce cysts 2.3) Myxobacteria species form fruiting bodies 2.4) Streptomyces species form mycelium 3) Endospores tend to be more resistant to environmental insult than cysts or fruiting bodies 4) Organisms produce numerous mechanisms for nutrient acquisition and retention 4.1) Clustering within a sheath -> Bacteria form chains encased in tubes which enables them to find favorable habitat -> Includes genera Sphaerotilus and Leptothrix 4.2) Derive nutrient from other organisms 4.2.1) Bdellovibrio prey on other organisms 4.2.2) Bioluminescent bacteria establish relationships with other animals for food and protection 4.2.3) Legionella live inside protected confines of protozoa
What does protozoa cause?
Cause of Protozoa- parasitic infections in humans are usually in the size range of 1-100 micrometres (millionths of a metre) and have two stages in life cycle. *Infection is usually spread by structures called cysts which are cells that have secreted a protective layer around them so that they can survive the journey from one host to the next. Once inside the new host, these cysts develop into the active protozoa which grows, reproduces and causes symptoms of disease in the new host. *Common infections caused in humans are amoebic dysentery, sleeping sickness and malaria. *Protozoa can infect any human tissue, and are the cause of a variety of diseases.
How can protozoa be transferred?
They spread using a variety of strategies. Some produce cysts to survive outside the body, others are spread by insects, and yet others spread during human sexual contact.
What are functional ovarian cysts?
The cysts that appear during the regular activity of the ovaries are called functional cysts.
What is a bilateral cysts?
Bilateral kidney cysts are cysts in BOTH kidneys.
What is parenchymal cysts?
cysts of tissue
What is another name for perineural cysts?
Perineural cysts (also called Tarlov cysts)
Why use gram iodine in stool examination?
Gram iodine serves as a mordant in stool examination to enhance the visualization of bacterial structures. It helps bind the crystal violet stain to the peptidoglycan layer of bacterial cell walls, making them more easily distinguishable under the microscope. This aids in identifying and characterizing different bacteria present in the stool sample.
Are cysts hard?
Solid cysts tend to be hard. Fluid-filled cysts are less hard. Air-filled cysts tend to be soft (and easily collapsible).
How do you get rid of cysts on my inner thighs?
how to do i get rid of cysts
Do choroid cysts only appear in the eye?
Choroid cysts primarily occur in the eye, specifically in the choroid layer of the eye, which is located between the retina and the sclera. However, similar cystic structures can also appear in other parts of the body, such as the brain (e.g., choroid plexus cysts). While the term "choroid cyst" is most commonly associated with the eye, it's important to recognize that cysts can form in various tissues and organs.
