What is the Larynx? Function, Cartilages, Muscles, Ligaments
Location of the Larynx The larynx is the short tube that connects the pharynx (throat) to the trachea (wind pipe). It runs at the front of the throat at the level of C3 to C6 vertebrae and lies...
View ArticleDysphonia and Causes of a Hoarse or Whispering Voice
What is dysphonia? Dysphonia is the medical term for a speech disturbance (phonation), usually resulting in a hoarse voice or whispering voice, due to problems with the larynx (voice box). Spasmodic...
View ArticleFinger Pulse Oximeter
A finger or digit pulse oximeter is a non-invasive device for measuring the oxygen content of blood, also known as oxygen saturation. It is a highly portable device, which is indispensable for any...
View ArticleWhat are the Bronchi? Left, Right Main Bronchus, Bronchioles
The bronchi (singular ~ bronchus) are the two branches (left and right) at the bottom of the trachea that lead into the lungs. These main bronchi then divide into lobar and segmental bronchi. Together...
View ArticleWhat is Anterior and Posterior?
This article is solely intended to assist readers with a basic understanding of the terms anterior and posterior. It is not intended to be used as an educational resource and may be oversimplified....
View ArticleContagious Period and Duration of Seasonal, Swine and Bird Flu
Incubation Period vs Contagious Period Incubation (Lat. incubationem = a lying upon eggs) period is the time from exposure to a microbe (like influenza virus) to the appearance of the first symptoms....
View ArticleWhat are Analgesics? Opioid and Non-Opioid Painkillers
What is an analgesic? An analgesic is any type of drug that relieves pain although this may only be a partial relief at times. It should not be confused with anesthetics that block pain and other...
View ArticleProcess of Respiration in Humans – Diagram
What is Respiration? The process of respiration involves four stages – ventilation which we know as breathing (inhalation or inspiration and exhalation or expiration), exchange of gases between the...
View ArticleHematemesis and Causes of Vomiting Up Blood
What is hematemesis? Hematemesis (UK ~ haematemesis) is the medical term for the vomiting of blood either mixed with partially digested gastrointestinal contents and mucus or consisting entirely of...
View ArticleAtrophy and Degeneration Meaning and Differences
What is Atrophy? Atrophy is a decrease in size of a part of a body. This can affect an organ, tissue or cell. Atrophy may be attributed to a decrease in size of individual cells or a reduced number of...
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