vaginal ring

(redirected from V-ring)

vaginal ring

a silicon ring impregnated with a drug (for example, estrogen) designed for sustained release.

vaginal ring

Gynecology An annular contraceptive device inserted in the vagina before coitus, which slowly releases levonorgestrel or progesterone. See Norplant, Pearl index. Cf Female condom.

vag·i·nal ring

(vaj'i-năl ring)
A silicon ring impregnated with a drug (e.g., estrogen) designed for sustained release.
Synonym(s): vaginal pouch.


pertaining to the vagina, the tunica vaginalis testis, or to any sheath.

vaginal annulus
see annulus vaginalis.
vaginal aplasia
manifested by imperforate hymen or residual strands of hymen. See imperforate hymen.
vaginal aspiration
use of a suction apparatus to collect a sample of vaginal fluid for culture, cytological or immunological examination.
vaginal biopsy
collection of a sample of mucosa by a pinch biopsy instrument for histopathological examination.
vaginal constriction
inherited defect in Jersey cows combined with anal constriction, sometimes with rectovaginal fistula.
vaginal cyclic changes
see vaginal cytology (below).
vaginal cystocele
the urinary bladder is lying on the floor of the vagina; the displacement has been via the urethra by eversion or via a tear in the floor of the vagina.
vaginal cytology
cyclic changes in the exfoliated epithelial cells of the vaginal mucosa occurring synchronously with the stages of the estrous cycle; collection of samples by the use of a swab and laboratory examination of a smear is a useful aid in determining the most appropriate time to mate a bitch.
vaginal fornix
see vaginal fornix.
vaginal hypoplasia segmental
see müllerian duct aplasia.
vaginal inflammation
see vaginitis (1).
vaginal neoplasm
include papilloma, sarcoma, myxofibroma.
vaginal process
an outpocketing of the peritoneum into the gubernaculum at the site of the future inguinal canal in the male fetus; becomes the tunica vagina of the adult.
vaginal prolapse
see vaginal prolapse.
vaginal retainer
see bearing retainer.
vaginal ring
see annulus vaginalis.
vaginal rupture
occurs during mating, dystocia, insemination, or by sadistic or malicious trauma. Results in peritonitis or cellulitis of the pelvic fascia.
vaginal smear
examination of the cells in a smear is used as an aid in predicting the time of ovulation, which may be useful in selecting the optimal date for breeding.
vaginal stricture
cicatricial contraction after traumatic injury.
vaginal tunic
the double peritoneal fold which encloses the spermatic cord and the testis; made up of a visceral layer which is adherent to the testis and cord, and a parietal layer which lines the scrotum and the inguinal canal.
vaginal vestibule
entrance to the vagina enclosed between the lips of the vulva, the labia minor. Connects the vagina at the external urethral orifice to the external genital opening; develops from the embryonic urogenital sinus.
vaginal wash
irrigation of the vagina with sterile saline can be used to recover cells, which are stained and examined microscopically to monitor estrus.
References in periodicals archive ?
Hathcock won the 1965 1,000-yard Wimbledon Cup with an amazing score of 100, with 17 of the 20 shots landing in the 20-inch V-ring.
Offerings include rubber reinforced radial shaft seals made from hydrogenated nitrile rubber or machined from a proprietary polyurethane compound; advanced polyurethane compound excluder seals exhibiting excellent abrasion resistance and tear strength; v-ring seals (NBR, HNBR or polyurethane); SKF Speedi-Sleeve to replace damaged shaft surfaces without requiring power tools, heating or changes in seal sizes; and hydraulic seals compatible with hydraulic fluids.
The unique design--based on years of experience with V-ring seals, according to the company--replaces and improves older seal arrangements by incorporating uniform lip tension, enhanced seal stability and superior sealing performance.
Additional pump models and hoses feature fire-hose-style quick-connect fittings, and a V-ring to protect the shaft seal from abrasives.
Additional pump models and hoses feature fire hose-style quick-connect fittings, and a V-ring to protect the shaft seal from abrasives.
Use of isolated processing areas inside the machines: a series of technical solutions, including gaskets, V-ring seals, inflatable seals and negative pressure inside the operating area are applied, enclosing the product in a limited space so that the machine working area itself becomes an isolator.
All these belts are very strong, especially since they come with the Wilderness-designed carbon steel V-ring buckle coated with non-glare black ROGUARD.
He has just returned from Las Vegas where he took part in the "Dentaltown" annual meeting launching a new product, the V-Ring, a progression of the existing product.
Falk's standard water exclusion features include an external shaft slinger, V-ring seal, and tandem lip seal arrangement at the vertical shaft extension.
Live loaded PTFE V-RING stem packing is standard within the GX to provide superior sealing and extended service life.
The bearings can be machined in a variety of shapes and styles, and typical seals include V-ring, U-ring, split, cup, and labyrinth types.