presentation /pre·sen·ta·tion/ (pre″zen-ta´shun) that part of the fetus lying over the pelvic inlet; the presenting body part of the fetus. Cf. position and lie. 
placental presentation
)
Presentation of fetus.
antigen presentation the hypothesis that macrophages not only ingest and process antigen, refining and complexing it with SRNA, but also present it in concentrated form at their surfaces to lymphocytes, thus inducing an immune response by the lymphocytes.
breech presentation presentation of the fetal buttocks or feet in labor; the feet may be alongside the buttocks (complete breech p.); the legs may be extended against the trunk and the feet lying against the face (frank breech p.); or one or both feet or knees may be prolapsed into the maternal vagina (incomplete breech p.) .
brow presentation presentation of the fetal brow in labor.
cephalic presentation presentation of any part of the fetal head in labor, whether the vertex, face, or brow.
compound presentation prolapse of a limb of the fetus alongside the head in a cephalic presentation or of one or both arms in a breech presentation.
footling presentation presentation of the fetus with one (single footling) or both (double footling) feet prolapsed into the maternal vagina.
funis presentation presentation of the umbilical cord in labor.
placental presentation placenta previa.
shoulder presentation presentation of the fetal shoulder in labor; see oblique lie and transverse lie.
transverse presentation see under lie.
vertex presentation that in which the vertex of the fetal head is the presenting part.
| placental presentation n. See placenta previa. |
placental presentation
Etymology: L, placenta, flat cake, praesentare, to show
See placenta previa.
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