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Show Of the Uterus.- 570 Book I. Part TV, Terms, or Menfhruous Purgations, in which the Vital Liquor hath a more free recourfe by the Hypogafirick Arteries into the Glands of the Womb wherein a Secretion is made of the freer! of the Blood from the more putt; parts, which are received into the roots of the Hypogaftrick Veins and the Recrements of the Purple Liquor are conveyed through the Fxcretor Ducts, into the Cavity of the "term, and are from thence difcharoed by the Carnous Fibres (contraéiing the capacity of the Womb) into theDNeck and Vagina of it. i This Glandulous Subfiance hath great ufe in the time of Womens lying in, before which the courfe of the Menfirua is fupprefl'ed for many Months whereupon the Blood contraétcrh many Impurities, which are feparated frorri the Vital juyce in thefe Glands, and carried through the Excretories into the Chamber of the VVomb, and thence expelled by the help of the flefhy Fibres ftraightning the Cavity of the "term, and fqueezing the Lochia into its Neck and Vagina. "mm", Between the Membranes of the VVomb when impregnated, is not only ‘Cj'fmcpgzgugr‘ lodged a Glandulous, but a Carnous and Fibrous Contexture, which ob- [Ml/term. meylirrlzisor 0/ the UICFUS- h I 57‘1 which much checketh the violent motion of the Purple Liquor, whereupon various [nofcularions are inltituted, that when fome branches of Arteries are obll-ruéted, the neighbouring branches being open, may fupply their places as their Delegates ', to that thefe mutual Inofculations of the Arterial branches feared in each fide of the Womb, will readily tranfmit the Blood out of one lide to the other. Some curious Perfons may ask a reafon why the Arteries furnifhing each Thcurc ofrh'c fide of the "Uterus with various Branches, take their ptogi‘efs in many Flex- Eggifii‘igi tires and Circumvolutions, which is ordered (as I conceive) in great Pru- "mm" deuce by the Grand Architect, to prevent the Laceration of the Arteries, when the ‘Uterm is highly diflended by the increment and bulk of the FIZIM; and upon that account the Vagina: hath fewer Arteries, carried in more {triat Politions than thofe of the body of the "term, by teafon the Vagina admitteth no alteration in its Cavity in reference to Nature, when the bofom of the Womb is expanded to greater and greater degrees by the more and more enlarged dimenfions of the Forum. The Veins are the aflociates of the Arteries in all regions of the "term, taineth with the Membranes a greater thicknefs, proceeding from a quan- and a great branch of the Spermarick or preparing Vein (into which many tity of Blood, having a more free accefs to the inward Receii‘es of the we. Ramulets do Coalefce) doth defccnd to the Womb, Enameling the Body rut, wherein this Carnous Subl'tance is produced, interfperfed with many lirong Fibres, which highly contract the body of the uterus in Child-birth "term" is endued with a large Hypogaltrick branch 1', emitting many other Ede and much contribute to the exclulion of the Foetm. , The VVomb is furniflied with variety of Velfels, Arteries, Veins, Nerves, ' Lymphaedué‘ts and Excretory Ducts. ".14.", The Arteries borrow their rife from the Spermatick and Hypogafirick gagging branches + of which thefe are. conceived to come from the upper Region $22!?" and others from the under Region, and others make their progrefs toward ,7. "V'Q m WP"? Book I. Part iv. the bottom of the "term 1-. And many branches are difperfed into the Neck and Vagina Mteri, and fig‘ific‘gfif the Artery derived from the Spermatick efpoufeth fo near an aifociation with and Vagina of it with fruitful Ramificarions +, And alfo each tide of the 1.144.1(1, Ramulets. The Ramifications of the preparing Veins have mutual Inofculations (as well as the Arteries) fo that they feem fometimes to be but one Velfel, by teafon they efpoufe fo intimate a converfe by mutual Perforations, carrying Blood out of one Vein into another, in numerous Divarications, to prevent a flop of the retrograde motion of the Blood in the Veins of the uterus toward, the Heart. The Arteries and Veins of the Womb 1-, admit great alteration in Women great with Child, and then have their Dimenfions much more enlarged ngfifijli the eminent branch of the Hypogaltrick 1-, that their branches can hardly and diliended by a more copious quantity of Vital Liquor, f0 that the little lp.Ti?."'F'F' be difiinguifhed from each other, and their Terminations are fo mutually interwoven, that they cannot be clearly difcerned from each other, by realon they make fuch mutual Anaf'tomufes Divers Arteries do accompany the {ides of the VVomb with many Divarications which do fport themfelves in numerous Ramulers, taking their progrefs in the fore and hinder part and inward fubftance of the 1mm in crooked Circumvolutions, and the Arteries of one fide do entertain an enter1r,i...r.i.r.i. courfe with the other by mutual Inofcularions -l- , whereupon if you immit your breath by a Blow-Pipe into the Arteries of one fide, prefently will fuc- Finger may be immitted into the cavity of the Veffels, when the Locbia do flow, which ceafing, the Arteries and Veins contract themfelves and return to their former more fmall dimenfions. And it may feem very probable that the Arteries are more enlarged in WAN," time of the Man/fruit, wherein the Blood bath a more free recourfe than my"? with larger ftreams of Blood. whence Pains often arile, when the Source of Vital Liquor is reftrained by the narrow Terminations of the Arteries, fo that violation offered to the Veffels, whereupon you may mofi clearly fee upon it cannot be freely impelled into the fubfiance of the Glands, and afterwards by the excretory Duéts into the Bofom of the Womb. The "term is furnifhed borh in its Coats and fubl'tance, with a great com- 'ijthmoupany of Nervous Fibres, which imparts. mofi accute fenfation to the Womb, Sawing Inflation the various divarications of Arteries, relating to each fide, and how they are carried in many Flexures, and where the fevetal Inofculations of fufliciently evidenced in great pleafure in Coition, and in unfpeakable Pain in Child-birth. Thefe Nerves take their Origens from the Far Vagum, and ceed an intumefcence of the other, which affordeth a pleafant treat to our Eyes, which will be more happily performed if you take off the outward Coat of the "term, ( propagated from the rim of the Belly) without any fruitful Branches are made in each fide of the "term. mafirrlrlcasiroi‘f: Berhaps it will be worth our inquiry upon what account fo many A1121}?of Amie" ordinary, by the Spermatick and Hypogaftrick Branches, into the Veffels of 5311:: out: ' the Womb, whereupon they acquire a greater Circumference, as dil'tended mwles of Arterial Branches are found in divers regions of the Womb, f0 that one tide of it maintaineth a correfpondence with the other in a mutual entercourfe of Blood, which is wifely contrived by Nature to prevent the Stag- nation of it (as I conceive) in the Arteries enducd with great Meander; whi from vertebral Nerves derived from the 0s Sacrum, and difpenle a great number of Fibres into all the Regions of the Womb. The 'ZJtcrm alfo is not only accommodated with Arteries, Veins, and fig filmy" Nerves, but Lymphaeduéts too, which take their rile from the Glands of the (yinh. ‘ Womb, and afterward pafs towards its Circumference, and are branched o- ver the Hypogaflrick VeinsJ and pafs from part to part, till they arrive hat t C |