Quote from: SadieBlake on November 21, 2017, 08:06:33 PM
Kelly, Victor I'm sorry ignorance is hardly any excuse for unprofessional and insulting behavior on the part of an MD.
And thank you Viktor, no need to compound the ignorance of this doc by putting forward your incorrect assumptions about the difference between vaginal and penile skin. In fact the only difference in the vaginal lining is that in natal females that skin responds to estrogen and produces some lubrication. It's still skin and it's healthy state is the same, i.e. colonized by microflora consisting of primarily lactobacillus.
Incorrect. The skin of a natal female vaginal passage is firstly a mucous membrane, not a cutaneous external epithelium, which penile shaft skin is, whether it be glabrous or not. The presence of hair follicles - whether the skin has had treatment prior to surgery to remove it or not - on the inside of the neovagina is further evidence this is not the same kind of skin; mucosal membranes do not have hair follicles and no laser treatment or any other kind of treatment renders the outer penile skin directly analogous to a vaginal mucous membrane. Nor does prolonged inversion render the outer skin a vaginal mucous membrane.
Vaginal mucous membrane is thinner, non-keratinized squamous tissue, contains a high number of secretory cells, connections to internal muscles and a rich blood supply from vaginal arteries. It is capable of secreting various kinds of mucus of relatively acidic pH and varying in consistency corresponding to ovulation and periods of non-ovulation, which may facilitate or block sperm passage respectively. The elasticity of the vaginal membrane is considerable given it has to stretch to accommodate a child's head.
Vaginas made from colons have more in common with the vaginal mucosa, but even those do not have the same specialized functions of vaginal tissues. All skin is not "just skin". Mucous membrane is immediately more permeable to substances and easier to perforate, which is why most types of medication are strictly divided into those that can be used on outer epithelium only, and those designed to be used on mucosal tissue.
Please, do not assume I don't know jack about this subject. I've been a biology academic and worked in medicine for several years.
Obviously a vagina constructed from penile skin or colon is not necessarily an inadequate structure unless you desire childbirth of course, and I will not imply that it is - but the attributes and capabilities of this skin differ in physiology and pathology particulars.