In the submucous tissue of middle ear of human foetus or of new born infants, it has noticed developments of gelatinous tissue, conjunctive tissue and born mellow tissue.
And infiltration of round cells, which has been considered a manifestation of foetal latent middle ear inflammation, is, the auther explains, nothing but a involvement of born mellow tissue into the mucous membrane of middle ear.
That is, he proclamates, it is not exsit foetal latent otitis media. Of developmental process of temporal pneumatic born cells, it has not followed as which WITTMACK had concluded.
Like above article, this is also a work observing especially on rabbits.
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