vesicoumbilical (vesikoumbilikal)

Pertaining to the urinary bladder and to the umbilicus. Vesico-umbilical ligament, the urachus. vesico-uterine (vesi-kō-ūtėr-in), a. Pertain ing to the urinary bladder and to the uterus.Vesico-uterine ligaments, two semilunar folds which pa from the posterior surface of the bladder to the neck of the uterus. Vesico-uterine pouch. See pouch. vesicovaginal (vesi-kō-vaj'i-nal), a. Pertaining to the bladder and to the vagina: as, the vesicovaginal septum. Also vagi no vesical. Vesicovaginal fistula, an abnormal communication between the bladder and the vagina, generally resulting from sloughing of the parts consequent upon prolonged pre ure of the head of the child in difficult labor. See Simon's and Sims's operations, under operation. - Vesicovaginal plexus. See plexus. vesicula (ve-sik ū-lä), n.; pl. vesiculæ (-lē). [L.] A vesicle. Vesiculæ semina les, the seminal vesicles (which see, under vesicle ). - Vesicula fellea, the gallbladder see, Vesicula pro statics, the prostatic resicle an at. and zoöl., a small bladder or sac: a generic term of wide application to various hollow structures, otherwise of very different character and requiring specification by a qualifying word. Many such formations are embryonic and so transitory, and have other distinctive names when matured. (b) In pathol., a circumscribed elevation of the epidermis containing serous fluid. (c) In bot., a small bladder, or bladder-like air-cavity. Also vesica. 2. A minute hollow sphere or bubble of water or other liquid. - Acoustic vesicle. Same as auditory vesicle. - Allantoic or allantoid vesicle. Same as allan to is. - Auditory vesicle. See auditory, and cut under Synaptidæ. - Blastodermic vesicle. See blastodermic. Cerebral vesicles, anterior, middle, and posterior, the three membranous vesicular expansions of which the brain primitively consists, corresponding to the fore-brain, midbrain, and hind-brain, the various thickenings and foldings of the walls of the vesicles giving rise to the substance of the brain, and the modified communicating cavities of the vesicles becoming the ventricles of the brain. These vesicles appear (unlettered) in the cut under embryo. The three commonly become five by subdivision of two of them, corresponding to the five main encephalic segments which are recognized in most vertebrates, and may be specified by the name of the segment to which they respectively give rise, as the prosencephalic, etc., vesicle (see cut under viscer al ). Certain other vesicular protrusions of the embryonic encephalon provide for the formation of so much of the organs of the special senses of smell and sight as is derived from the brain, one being the rhinencephalic vesicle, the other the ocular, ophthalmic, or optic vesicle; both of these are paired. See cuts under amnion and cerebral (cut 4).Embryonal vesicle, in bot. See embryonal. - Germinal vesicle. See germinal.- Graafian vesicle, a cavity in the ovary which contains an ovum; the capsule or calyx of an ovum, which, when the ovum is ripe, is ruptured to dis charge the ovum into the peritoneal cavity, or the Fallopian tube or oviduct. Also called Graafian follicle. - Malignant vesicle, anthrax. Marginal, ocular, optic vesicle. See the adjectives. Ophthalmic vesicle. Same as ocular vesicle. - Ovarian, polar, Polian, prostatic, etc., vesicle. See the adjectives. - Purkinjean vesicle, or vesicle of Purkinje, the germinal vesicle. - Rhinencephalic vesicle, the vesicular protrusion of a part of the prosencephalon of the embryo to form the rhinencephalon. Its hollow is primitively continuous with that of a lateral cerebral ventricle, and may persist as a rhinocœlia, but it is usually obliterated. - Seminal vesicles, two membranous receptacles for the semen, situated one on each side of the base of the bladder, between it and the rectum. In man each consists of a tube of about the size of a quill, of from 4 to 6 inches in length when unrolled, somewhat coiled, and repeatedly doubled upon itself, end. ing opposite the base prostate by uniting with a vas deferens to form an ejaculatory duct. Seminal vesicles exist in the males of many animals, being in general hollow offsets from or diverticula of the deferent duct of the testis or its equivalent, but also existing under many different modifications, especially in invertebrates. The more comprehensive name of such formations is sperm a tocyst. The corresponding structure in the female of some invertebrates, for the reception and detention of the male secretion, is a spermatotheca. See cuts under Dendrocala, Nema to idea, Proteolepas, and Rhabdocæla. - Serous vesicle, the false amnion (which see, under amnion ). - Umbilical vesicle, the yolk-cavity of any vertebrate, when it has formed a sac or cyst hanging from the umbilicus, its cavity being continuous with the intestinal cavity of the embryo. It is the seat of the earliest blood-circulation, and the organ of nutrition for the whole period of fetal = Sp. Pg. vesicular, The terms Parenchymatous, Areolar, Utricular, and Ve sicular , when applied to vegetable ti ues, may be considered as synonymous. Balfour . 3. In geol., the epithet applied to rocks having a cellular structure, the cavities being rather large and well rounded, but not very abundant. A vesicular structure is intermediate in character between those denominated cellular and slaggy; but these distinctions are not usually very distinctly marked or very carefully maintained. Normal vesicular murmur. See murmur. Posterior vesicular column, Clarke's column. See column, and cut of spinal cord (under spinal ). Vesicular ascidian polypst, the Vesiculariidæ.Vesicular column of the spinal cord, the ganglionic column, composed of a series of nerve-cells. - Vesicular columns of Clarke. See columns of Clarke , under col umn.- Vesicular cylinder, Clarke's column. See column, and cut of spinal cord (under spinal ). - Vesicular eczema. See eczema . - Vesicular emphysema. See emphysema .-Vesicular erysipelas, erysipelas a ociated with the formation of vesicles. - Vesicular fever, pemphigus. - Vesicular flies. See Vesiculosa . - Vesicular glands, in bot . , glands containing a volatile oil, placed just beneath the epidermis of the leaf, as in St.-John's-wort and myrtle, or of the bark, as in the orange. - Vesicular quality, the quality of sound in vesicular respiratory murmur. Vesicular råle. See rale. - Vesicular resonance. See resonance. - Vesicular respiratory murmur. See respiratory. - Vesicular stomatitis. Same as aphthous stomatitis (which see, under stomatitis ).-Vesicular synovial membrane. See synovial.-Vesicular theory, the theory (now abandoned) that the minute drops of mist, cloud, and fog are hollow vesicles or bubbles. Vesicular wormst, the cystic worms, or cysticerci and hydatids. They were formerly regarded as adult organisms, several genera of different families of which were named.