(1) Crustal thickening under the Himalayas reached a maximum during the Pliocene, although the mountains continued to grow (as they are still growing today).(2) It is believed that babies who develop the condition are not born with pyloric stenosis, but that the progressive thickening of the pylorus occurs after birth.(3) Although the rough weather and thickening fog beyond the harbour prevented us passing between the high cliffs, we made up for it with a nightcap in the yacht club.(4) In medieval times it was a common practice to use a hollowed-out loaf as the container for a sweet or savory dish or as the primary thickening agent next to almonds.(5) York Civil Defence members had a real test of their efficiency when, in an ever thickening mist, they carried out what an officer described as a routine exercise.(6) The disease also clogs the body's lymph drainage system and that results in swelling, thickening and wrinkling of the skin.(7) Secondary features include burning or stinging, plaque, dry appearance, edema, ocular manifestations, peripheral location, and thickening of the skin.(8) This rare disorder results in a thickening of the heart muscle, which impairs its ability to pump blood.(9) For less severe hair-loss, styling products such as thickening shampoos and gels may create the illusion of thicker hair.(10) I pushed my way through the thickening crowds of students and went straight to the student's parking lot and waited near the doors.(11) Most spots on the Earth received an average of 15% less sunlight than they did 50 years ago thanks to, many scientists suspect, the thickening haze of air pollution.(12) Secondary bacterial infection can cause hardening and thickening of the skin, known as elephantiasis.(13) Tapioca flour is used as a thickening agent in foods.(14) The potentially fatal heart condition - signified by abnormalities and excessive thickening of the heart muscle - has left her suffering from angina, so she gets tired easily and has to pace herself.(15) These rocks may represent the product of partial melting caused by crustal thickening during an orogenic event.(16) Other non-medical uses are as a thickening agent for toothpastes and jams.