| OPL | other party liability; outer plexiform layer; ovine placental lactogen |
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| PALP | placental alkaline phosphatase |
| PAP | pancreatitis-associated protein; Papanicolaou [test]; papaverine; passive-aggressive personality; pa... |
| PBF | peripheral blod flow; placental blood flow; pulmonary blood flow |
| PBM | peak bone mass; peripheral basement membrane; peripheral blood mononuclear [cell]; placental basemen... |
| leukocyte transfusion | The transfer of leukocytes from a donor to a recipient or reinfusion to the donor. (12 Dec 1998) |
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| lymphocyte transfusion | The transfer of lymphocytes from a donor to a recipient or reinfusion to the donor. (12 Dec 1998) |
| abnormal placental size | <radiology> TOO BIG (greater than5cm in sections obtained at right angles to the long axis), maternal disease, diabetic mothers (= villous oedema), intrauterine infections, anaemic mothers (= normal histology), foetal disease, erythroblatosis foetalis (= villous oedema and hyperplasia), umbilical vein obstruction, foetal high output failure, large chorioangioma, sacrococcygeal teratoma, arteriovenous fistula too small, preeclampsia (associated with placental infarcts in 33-60%) (12 Dec 1998) |
| placental | 1. Of or pertaining to the placenta; having, or characterised by having, a placenta; as, a placental mammal. 2. <zoology> Of or pertaining to the Placentalia. <zoology> One of the Placentalia. Source: Websters Dictionary (01 Mar 1998) |
| placental abruption | <obstetrics> An third trimester complication that results from the haemorrhage and accumulation of blood between the placenta and the wall of the uterus. This inevitably interferes with foetal oxygenation and often necessitates the need for emergency cesarean section delivery. (31 Dec 1997) |
| placental barrier | The semipermeable layer of foetal tissue separating the maternal from the foetal blood in the placenta; composed of: 1) endothelium of the foetal vessels in the chorionic villi, 2) stromata of the villi, 3) cytotrophoblast (negligible after the fifth month of gestation), and 4) syncytial trophoblast covering the villi; the placental membrane acts as a selective membrane regulating passage of substances from the maternal to the foetal blood. Synonym: placental barrier. (05 Mar 2000) |
| placental calcium-binding protein | <protein> Calcium binding protein of placenta, uterus and vasculature containing the EF hand motif. (18 Nov 1997) |
| placental chorioangioma | <radiology> Most common benign tumour of placenta, incidence: 0.7%, Differential diagnosis: hydatidaform mole, large leiomyoma, chorioepithelioma, complications: IUGR, foetal anomaly, polyhydramnios, haemorrhage, heart failure, premature labour (12 Dec 1998) |
| placental circulation | The circulation of blood through the placenta during intrauterine life, serving the needs of the foetus for aeration, absorption, and excretion; also, maternal circulation through the intervillous space of the placenta. (05 Mar 2000) |
| placental dysfunction | 1. Denoting faulty development or ripening; often connoting structural and/or functional abnormalities. 2. In obstetrics, denoting an infant whose birth weight is inappropriately low for its gestational age. 3. Immature development of the placenta so that normal function does not occur. Synonym: placental dysfunction. (05 Mar 2000) |
| placental dysfunction syndrome | <syndrome> Foetal malnutrition and hypoxia resulting from impaired transfer of oxygen and various nutritive materials from mother to foetus. (05 Mar 2000) |
| placental dysmature | Immature development of the placenta so that normal function does not occur. (05 Mar 2000) |
| placental dystocia | Trouble delivering the placenta (the afterbirth). Dystocia comes from the greek dys meaning difficult, painful, disordered, abnormal + tokos meaning birth. (12 Dec 1998) |
| placental extracts | Extracts prepared from placental tissue; they may contain specific but uncharacterised factors or proteins with specific activities. (12 Dec 1998) |
| placental function tests | Methods used for the assessment of placental function. (12 Dec 1998) |