" The neck of the ntems," says M. Cruveilhier, " is composed
entirely of circular fibres, which intersect each other at very acute
angles." This opinion is corroborated by the researches of M. Jobert^
wl^ observes that >' the uterine neck is formed of fibres which con-
stitate semicircles, and decussate without mingling ; the semicircnlar
arrangement is more evident in women who have had children than in
others.'* According to the same author, a portion of the muscular
fibres, forming the superficial longitadinal layer on the posterior sur-
face of the body, pass into the posterior surface of the cervi:c This
ktter assertion, however, is at variance with the opinion of Dr. Farre,
whose observations show that these longitudinal fibres are entirely
absent in this portion of the uterus. We are, therefore, I think, in a
position to conclude, that in the arrangemewt of its muscular tissue,
4he cervix differs from the body and fundus in the absence of a.
