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Dipalmitoylphosphatidylcholine (DPPC) is a phospholipid (and a lecithin) consisting of two C 16 palmitic acid groups attached to a phosphatidylcholine head-group. It is the main constituent of pulmonary surfactants, which reduces the work of breathing and prevents alveolar collapse during breathing.
A blocked milk duct (sometimes also called plugged or clogged milk duct) is a blockage of one or more ducts carrying milk to the nipple for the purpose of breastfeeding an infant that can cause mastitis. The symptoms are a tender, localised lump in one breast, with redness in the skin over the lump. The cause of a blocked milk duct is the ...
The name lecithin was derived from Greek λέκιθος, lekithos 'egg yolk' by Theodore Nicolas Gobley, a French chemist and pharmacist of the mid-19th century, who applied it to the egg yolk phosphatidylcholine that he identified in 1847. Gobley eventually completely described his lecithin from chemical structural point of view, in 1874.
Decongestants are a type of medicine that can provide short-term relief for a blocked or stuffy nose (nasal congestion). In contrast, ...
In April 2021, I was finishing up pumping milk for my infant son, Lucas, when I felt a lump in my right breast. I had experienced one or two clogged milk ducts over the course of breastfeeding, so ...
Lecithin contains dietary precursors to choline, an essential nutrient, which was formerly classified as a B vitamin (vitamin B 4). [17] [18] Lecithin is a mixture of fats that contains phospholipids, including phosphatidylcholine, and the human body can convert phosphatidylcholine into choline.
21% of Americans have chronic pain. A new study found that diets rich in vegetables, fruits, grains, lean proteins, and dairy was linked to less chronic pain.
The ducts number between two and eleven from each bronchiole. [10] Each duct opens into five or six alveolar sacs into which clusters of alveoli open. Each terminal respiratory unit is called an acinus and consists of the respiratory bronchioles, alveolar ducts, alveolar sacs, and alveoli. New alveoli continue to form until the age of eight years.