Lymphocytes Lymphocytes are a type of white blood cell (leukocyte) that play a vital role in the immune system. They are responsible for defending the body against foreign invaders, pathogens, and other harmful substances. Lymphocytes are produced in the bone marrow and can be found in various lymphoid tissues, including lymph nodes, spleen, and tonsils. […]
Lymph System The lymph system, also known as the lymphatic system, is a network of vessels, nodes, and organs in the body that helps maintain fluid balance, remove waste and toxins, and support the immune system. It works in conjunction with the circulatory system to transport lymph, a clear fluid containing white blood cells, throughout
Definition of Lyme Disease Lyme disease is an infectious illness caused by the bacteria Borrelia burgdorferi. It is primarily transmitted to humans through the bite of infected black-legged ticks. This disease was first identified in 1975 when researchers investigated cases of what appeared to be juvenile rheumatoid arthritis in the town of Lyme, Connecticut. Lyme
Lygyrophobia Definition: Lygyrophobia is a psychological disorder characterized by an intense and irrational fear of loud, sudden noises. Subtypes: Phonophobia: The fear specifically focuses on an irrational aversion to loud noises, such as thunderstorms, fireworks, sirens, or explosions. Hyperacusis: Lygyrophobia can also manifest as hyperacusis, which is an extreme sensitivity to everyday sounds that would
Definition of Lygophilia: Lygophilia refers to a deep appreciation or love for darkness. It is derived from the Greek word “lyge,” which means darkness, and “philia,” which means love. Individuals who identify as lygophiles find solace, comfort, or fascination in various aspects of darkness, such as nightfall, shadows, or dimly lit environments. Characteristics of Lygophilia:
Luteinizing Hormone (LH) Luteinizing Hormone (LH) is a hormone secreted by the anterior pituitary gland that plays a crucial role in the reproductive system of both males and females. Function LH controls the production and release of sex hormones, including testosterone in males and estrogen and progesterone in females. In males, LH stimulates the Leydig
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Definition of Luria-Nebraska Test The Luria-Nebraska Test is a neuropsychological assessment tool used to evaluate and diagnose brain dysfunctions and cognitive impairments in individuals of all ages. It assesses various cognitive functions such as perception, attention, memory, language, motor skills, and executive functioning. Purpose of the Luria-Nebraska Test The main purpose of the Luria-Nebraska Test
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Lupus Definition: Lupus, also known as systemic lupus erythematosus (SLE), is a chronic autoimmune disease characterized by inflammation throughout the body. The immune system, which is meant to protect the body against foreign invaders, mistakenly attacks healthy tissues and organs, causing a wide range of symptoms. Subtypes of Lupus Cutaneous Lupus Erythematosus (CLE): Cutaneous lupus
Lumbar Puncture Spinal Tap Lumbar Puncture, also known as Spinal Tap, is a medical procedure used to collect cerebrospinal fluid (CSF) for diagnostic purposes. Procedure During a Lumbar Puncture, a needle is inserted into the spinal canal in the lower back to collect a small amount of CSF. The patient is positioned on their side
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The Lucifer Effect The Lucifer Effect refers to the psychological phenomenon where individuals exhibit highly immoral behavior or engage in acts of evil when placed in certain situations or influenced by specific conditions. Explanation The term “Lucifer Effect” was coined by social psychologist Dr. Philip Zimbardo, based on his famous Stanford Prison Experiment conducted in
