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CERVICAL/VAGINAL ANATOMY AND HISTOLOGY cervical intraepithelial neoplasia, colposcopy, laser, CIN, pap smear
Histology: squamous epithelium
Columnar epithelium cervical intraepithelial neoplasia, colposcopy, laser, CIN
Metaplastic cervical intraepithelial neoplasia, colposcopy, laser, CIN, pap smear epithelium cervical intraepithelial neoplasia, colposcopy, laser, CIN
Gland crypts penetrating to 7.8 mm below surface
SQUAMOUS METAPLASIA
The change in the form of adult cells and, by cervical intraepithelial neoplasia, colposcopy, laser, CIN definition, implying the substitution of one cell type for another
As applied to the cervix, the term refers to the replacemere of simple columnar cervical intraepithelial neoplasia, colposcopy, laser, CIN, pap smear epithelium by a stratified squamous epithelium
Mediators/causes cervical intraepithelial neoplasia, colposcopy, laser, CIN
Hypotheses of genesis: appearance of a layer of primitive cells beneath the columnar cells (reserve cells). Ingrowth of basal cells from adjacent normal squamous epithelium
Origin from fetal squamous basal cells in pre-existing stratified squamous epithelium of urogenital sinus origin interepithelial
Undifferentiated fetal cell rests cervical intraepithelial neoplasia, colposcopy, laser, CIN