ooh.. well u have a lettel information about medicine but u can't Challenge me for a simple infeomation about medicin u have ...if u don't know I'm a medical student in 6th year
u want discrib about a plsia
I gonaa tell u what is the plasia means !
is the reversible replacement of one differentiated cell type with another mature differentiated cell type
as u say the man who is smoking he will replace his esophagus tissue to another from respiratory epithelium ciliated columnar to stratified
squamous epithelium
that we called histopathology
these replacement become after 1st cigratte .. it is a very dangerous and Serious thing
actuality.. we have another example for plasia
it is Gastroesophageal reflux disease ( Barrett's esophagus
is a chronic symptom of mucosal damage caused by stomach acid coming up from the stomach into the esophagus
these is a plasia in detail
if u need more information about plasia .. I'll give u what u want