Comedones may be closed or open. A closed comedo has an obstructed opening to the skin and may rupture to cause a low-grade skin inflammatory reaction in the area. The common name for a closed comedo is a whitehead. An open comedo has a wide opening to the skin and is capped with a blackened mass of skin debris. It is commonly known as a blackhead. Acne occurs when sebaceous glands of the skin begin to secrete oil during puberty.
Guam is an island in the western Pacific Ocean. It is a U.S territory officially known as the Territory of Guam. The official languages are Chamorro and English (influenced by U.S).
Mabuhay â Welcome. Tagalog (Filipino) belongs to the Malayo-Polynesian branch of the Austronesian language family. The name of the language is derived from tagÃ¡-Ã­log, from tagÃ¡â ânativeâ+ Ã­log âriverâ It is spoken by 21.5 million people as a first language and as a second language by a great majority of Filipinos. Tagalog is also spoken in Canada, Guam, Saudi Arabia, United Arab Emirates, United Kingdom, and USA.