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What is prolapsed lumbar intervertebral disc?
A prolapsed lumbar intervertebral disc, also known as a slipped or herniated disc, is a condition where the central gelatinous part of the intervertebral disc moves out of its position. These discs are placed between each of the vertebrae of the spine and pose as shock absorbers. When the fibrous ouRead more
A prolapsed lumbar intervertebral disc, also known as a slipped or herniated disc, is a condition where the central gelatinous part of the intervertebral disc moves out of its position. These discs are placed between each of the vertebrae of the spine and pose as shock absorbers. When the fibrous outer part of the disc breaks, it allows the gel-like core to bulge outwards.
See lessWhat are the different types of Bacteria?
There are many different types of bacteria. One way of classifying them is by shape. There are three basic shapes: 1. Spherical (cocci), 2. Rod-shaped (bacilli), and 3. spiral (spirilla). If their coil is very tight they are known as spirochetes.
There are many different types of bacteria. One way of classifying them is by shape. There are three basic shapes:
See less1. Spherical (cocci),
2. Rod-shaped (bacilli), and
3. spiral (spirilla). If their coil is very tight they are known as spirochetes.
What are the differences between prokaryotic and eukaryotic cells?
The main differences between prokaryotic and eukaryotic cells are that prokaryotic cells have no nucleus, while eukaryotic cells have a well-defined nucleus. Prokaryotic cells have no membrane-bound organelles, while eukaryotic cells have various organelles such as mitochondria, chloroplasts, endoplRead more
The main differences between prokaryotic and eukaryotic cells are that prokaryotic cells have no nucleus, while eukaryotic cells have a well-defined nucleus. Prokaryotic cells have no membrane-bound organelles, while eukaryotic cells have various organelles such as mitochondria, chloroplasts, endoplasmic reticulum, etc. Prokaryotic cells are smaller (0.1-5 μm) and unicellular, while eukaryotic cells are larger (10-100 μm) and mostly multicellular.
See lessHow we can diagnosis a case of hiatus hernia?
A hiatal hernia is often discovered during a test or procedure to determine the cause of heartburn or chest or upper abdominal pain. These tests or procedures include an X-ray of your upper digestive system, where X-rays are taken after you drink a chalky liquid that coats and fills the inside lininRead more
A hiatal hernia is often discovered during a test or procedure to determine the cause of heartburn or chest or upper abdominal pain. These tests or procedures include an X-ray of your upper digestive system, where X-rays are taken after you drink a chalky liquid that coats and fills the inside lining of your digestive tract. The coating allows your doctor to see a silhouette of your esophagus, stomach, and upper intestine.
Another test that can be used to diagnose a hiatal hernia is an upper endoscopy. During this procedure, your doctor inserts a thin, flexible tube equipped with a light and camera (endoscope) down your throat to examine the inside of your esophagus and stomach and check for inflammation.
See lessWhat Diseases are caused by staphylococcus?
Staphylococcus bacteria can cause a wide range of infections, from minor skin infections to life-threatening illnesses. Some of the diseases that can be caused by Staphylococcus include: 1. Boils, 2. Impetigo, 3. Food poisoning, 4. Cellulitis, 5. Toxic shock syndrome. 6. Skin infections, 7. PneumoniRead more
Staphylococcus bacteria can cause a wide range of infections, from minor skin infections to life-threatening illnesses. Some of the diseases that can be caused by Staphylococcus include:
1. Boils,
2. Impetigo,
3. Food poisoning,
4. Cellulitis,
5. Toxic shock syndrome.
6. Skin infections,
7. Pneumonia,
8. Endocarditis, and
9. Osteomyelitis.
Symptoms of a staph infection vary depending on the location and severity of the infection. For example, a localized staph infection may cause a collection of pus, such as a boil or abscess. The area may be tender or painful and may be reddened and swollen.
See lessWhat are the pathogenicity of malarial parasite?
Malaria is caused by Plasmodium parasites, which are transmitted to humans through the bites of infected Anopheles mosquitoes. Once inside the human body, the parasites travel to the liver, where they multiply and then enter the bloodstream, infecting red blood cells. The parasites continue to multiRead more
Malaria is caused by Plasmodium parasites, which are transmitted to humans through the bites of infected Anopheles mosquitoes. Once inside the human body, the parasites travel to the liver, where they multiply and then enter the bloodstream, infecting red blood cells. The parasites continue to multiply inside the red blood cells, which eventually burst, releasing more parasites into the bloodstream and causing the symptoms of malaria.
The pathogenicity of malaria is due to the destruction of red blood cells and the release of toxins by the parasites. This can lead to anemia, hypoglycemia, and other complications. In severe cases, malaria can cause organ failure, coma, and death.
See lessWhy malaria is most common in Bangladesh?
Malaria is a serious and persistent threat to public health in many parts of Asia, including Bangladesh. The disease is caused by a parasite that is transmitted to humans through the bites of infected mosquitoes. In Bangladesh, around 90% of malaria cases are due to Plasmodium falciparum, and aroundRead more
Malaria is a serious and persistent threat to public health in many parts of Asia, including Bangladesh. The disease is caused by a parasite that is transmitted to humans through the bites of infected mosquitoes. In Bangladesh, around 90% of malaria cases are due to Plasmodium falciparum, and around 85% of cases occur in the malaria-endemic Southeast.
There are several factors that contribute to the high incidence of malaria in Bangladesh. One factor is the presence of Anopheles mosquitoes, which are the primary vectors for transmitting the malaria parasite. Bangladesh has 34 Anopheles mosquito species. Another factor is the climate, which provides favorable conditions for the breeding of mosquitoes. Additionally, socioeconomic factors such as poverty, poor housing conditions, and lack of access to healthcare can increase the risk of malaria transmission.
See lessWhat are the life cycle of malarial parasite in human body?
The life cycle of the malaria parasite involves two hosts: humans and female Anopheles mosquitoes. During a blood meal, a malaria-infected female Anopheles mosquito inoculates sporozoites into the human host. Sporozoites infect liver cells and mature into schizonts, which rupture and release merozoiRead more
The life cycle of the malaria parasite involves two hosts: humans and female Anopheles mosquitoes. During a blood meal, a malaria-infected female Anopheles mosquito inoculates sporozoites into the human host. Sporozoites infect liver cells and mature into schizonts, which rupture and release merozoites. Merozoites then infect red blood cells, where they multiply and release more merozoites, continuing the cycle.
Some of the merozoites develop into male and female gametocytes, which are taken up by a female Anopheles mosquito during a blood meal. In the mosquito’s gut, the gametocytes fuse to form zygotes, which develop into motile ookinetes that invade the mosquito’s midgut wall and develop into oocysts. The oocysts grow, rupture, and release sporozoites, which migrate to the mosquito’s salivary glands. When the mosquito takes another blood meal, it injects the sporozoites into a new human host, starting the cycle again.
See lessWhat are the differences between fimbriae and flagella?
Fimbriae and flagella are both filamentous proteinaceous structures found on the surface of some bacterial cells, but they have different functions and structures. Fimbriae are bristle-like short fibers that occur on the surface of some Gram-positive and Gram-negative bacteria. Their main function iRead more
Fimbriae and flagella are both filamentous proteinaceous structures found on the surface of some bacterial cells, but they have different functions and structures. Fimbriae are bristle-like short fibers that occur on the surface of some Gram-positive and Gram-negative bacteria. Their main function is surface attachment, which enables the bacterial cell to stick to the surface of host cells. They also help in the formation of pellicles or biofilms.
Flagella, on the other hand, are long whip-like filamentous structures present in some bacteria. The most important function of flagella is to assist in locomotion. Flagella can also act as a sensory organ to detect temperature and the presence of certain chemicals in the external environment of the cell.
In summary, fimbriae are used for attachment while flagella are used for movement.
See less