| partial breech extraction | Assisted breech delivery by the obstetrician with spontaneous delivery of the foetus to the level of the umbilicus. (05 Mar 2000) |
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| breech extraction | Obstetrical extraction of the baby by the buttocks. (05 Mar 2000) |
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| spontaneous breech extraction | Delivery of a foetus in the breech presentation without extraction by the obstetrician. (05 Mar 2000) |
| total breech extraction | Delivery of a foetus in breech presentation with complete extraction of the entire foetal body from the uterus. (05 Mar 2000) |
| bear's-breech | <botany> See Acanthus. The English cow parsnip (Heracleum sphondylium) Source: Websters Dictionary (01 Mar 1998) |
| breech | The buttocks. (12 Dec 1998) |
| breech delivery | <obstetrics> The extraction or expulsion of the foetus which occurs buttocks or feet first. (27 Sep 1997) |
| breech presentation | Presentation of any part of the pelvic extremity of the foetus, the nates, knees, or feet; more properly only of the nates; frank breech presentation occurs when the foetus presents by the pelvic extremity; the thighs may be flexed and the legs extended over the anterior surfaces of the body; in (05 Mar 2000) |
| presentation, breech | Birth buttocks first. During a breech presentation, the baby's buttocks present first. (12 Dec 1998) |
| delivery, breech | A breech delivery is birth, buttocks first. (12 Dec 1998) |
| full breech presentation | The thighs may be flexed on the abdomen and the legs upon the thighs, in footling presentation foot presentation the feet may be the lowest part; in incomplete foot presentation, incomplete knee presentation, one leg may retain the position which is typical of one of the above-mentioned presentations, while the other foot or knee may present. Synonym: pelvic presentation. (05 Mar 2000) |
| Baker's pyridine extraction | Hot pyridine treatment of tissues fixed in dilute Bouin's fixative, used to extract phospholipids from tissues as a control in the histochemical staining of this material. (05 Mar 2000) |
| vacuum extraction, obstetrical | Removal of the foetus from the uterus or vagina at or near the end of pregnancy with a metal traction cup that is attached to the foetus' head. Negative pressure is applied and traction is made on a chain passed through the suction tube. (12 Dec 1998) |
| cataract extraction | <ophthalmology> The surgical removal of a cataract from the eye to improve vision. An artificial intraocular lens may then be implanted. Approximately 10 weeks are required for complete recovery and healing. (16 Mar 1998) |
| menstrual extraction abortion | A technique for aspiration of early products of conception from the uterus a few days after the first missed menstrual period. (05 Mar 2000) |
| condensing, controlled extraction turbines | A controlled turbine that bleeds off (condenses) part of the main stream flow at one (single extraction) or two (double extraction) points. Used when process steam is required at pressures below the inlet pressure and above the exhaust pressure. (05 Dec 1998) |