Author: Sinaoife Andrews

Deep Dive into the Smooth Muscle Tissue 

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Smooth muscle is one of the three types of muscle found in the body; cardiac and skeletal muscle being the other two. Smooth muscle is an involuntary muscle, meaning it is not under conscious control. It is found almost everywhere in the body. For example, it can be found in the gastrointestinal tract, respiratory tract […]阅读详情

How the Urinary System Functions

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The urinary system is important in maintaining homeostasis of the body. For example, the urinary system regulates levels of fluids and electrolytes within the body.  The urinary system consists of the kidneys, ureters, bladder and urethra. The kidney is composed of three layers: the capsule, the renal cortex and the renal medulla. The renal medulla […]阅读详情

World Malaria Day

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The 25th of April marks World Malaria Day. Malaria is a disease contracted from mosquito bites. Specifically, from mosquitoes that are infected with a parasite from the genus plasmodium.   (1) When an infected mosquito bites your skin, it can transfer the parasite to you. (2) These parasites travel to the liver where they mature. The […]阅读详情

Skeletal Muscle Microanatomy

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Skeletal muscle is one of the three main types of muscle found in the body; cardiac and smooth muscle being the other two. Skeletal muscles are under voluntary control and are responsible for moving our bodies. Let’s explore the anatomy of skeletal muscle starting with one of the smallest units, the myofibril. Myofibrils are contractile […]阅读详情

Brain Injury Awareness Month

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March marks Brain Injury Awareness Month. Let’s explore one of the more common types of brain injury, a concussion. A concussion is classified as a mild traumatic brain injury. A concussion may be caused by a large impact or trauma to the head. Concussions can also be caused by rapid acceleration and deceleration of the […]阅读详情

Glaucoma Awareness Month

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January marks Glaucoma Awareness Month. Glaucoma is a condition that affects the eyes. It can be caused by a number of factors. The most common cause is the build-up of fluid in the anterior chamber of the eye due to the fluid not being able to properly drain. This in turn can lead to increased […]阅读详情

‘Tis the season…for rhinitis

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At this time of year, there are different seasonal worries. In the southern hemisphere, where it is summer, rhinitis can be more prevalent. While in the northern hemisphere, where it is winter, the flu is more widespread.  Rhinitis is inflammation and swelling of the nasal passageway. This is caused by a trigger or allergen that […]阅读详情

Types of contraception

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Today marks World Contraception Day. Let’s explore the different types of contraception.  The first type of contraception is a physical barrier that prevents the sperm interacting with the egg. These include condoms and the diaphragm. Male condoms are worn on the penis to prevent the sperm being released into the vagina. Female condoms are placed […]阅读详情

Cauliflower Ear

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Auricular hematoma, more commonly known as cauliflower ear, describes the lumpy, deformed appearance of the ear. This is usually caused by blunt trauma to the outer ear. It is common in close-contact sports such as boxing, wrestling and rugby.   The outer ear includes the auricle and the external acoustic meatus, or auditory canal. The auricle […]阅读详情

How Wildfire Smoke Can Affect Your Lung Health

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With the current forest fire outbreaks around the world, let’s examine how wildfire smoke can affect your health.   Wildfire smoke releases a number of pollutants that irritate our lungs. For example, particle pollution found in smoke can lodge itself deep within our lungs, causing asthma attacks, heart attacks, strokes and even death. Wildfires also release […]阅读详情