A lipoprotein is a particle that combines lipids (fats) with proteins, allowing fats to be transported in the water-based environment of the bloodstream. Fats are not water-soluble and cannot circulate freely in the blood, so the body packages them inside spherical particles where the water-repelling lipids are enclosed by a coat of proteins (called apolipoproteins) … Read more
The jugular veins are the major veins of the neck that return deoxygenated blood from the head and brain to the heart. There are two pairs: the internal jugular veins, which run deep in the neck alongside the carotid arteries and drain blood from the brain, face, and neck; and the external jugular veins, which … Read more
Intubation (more precisely, endotracheal intubation) is the procedure of placing a tube through the mouth or nose, past the vocal cords and into the trachea (windpipe) to secure and protect the airway and allow mechanical ventilation. The tube is called an endotracheal tube (ETT) and has an inflatable cuff near its tip that seals against … Read more