WHAT IS THE CAUSE OF MUCUS BUILD UP NEAR THE BRONCHITIS IN THE ESOPHAGUS .IT IS CLEAR AND RATHER STICKY. See doctor: Many potential causes and thus a direct exam is needed. Some of the causes are asthma, sinus infection, nasal allergy, and acid reflux.
1 The word dinas (plural-oedd) in modern Welsh is a feminine noun meaning city, but in Old and Middle Welsh it is a masculine noun meaning fort or citadel, and this is the meaning in the above Welsh place-names.
A nebula is a cloud of dust and gas in space. Some of the clouds block out the light from the stars behind. These are called dark nebulae. One of the best-known is the Horse â¦ head Nebula.Other dust clouds reflect the light from the stars and shine brightly.These are called bright nebulae.ebula means Cloud in Latin. A nebula is an interstellar cloud of hydrogen, helium, plasma and dust. They are often called stellar nurseries because stars are born within them.