ferning /fern·ing/ (fern´ing) the appearance of a fernlike pattern in a dried specimen of cervical mucus or vaginal fluid, an indication of the presence of estrogen.
ferning [fern´ing]
fern·ing (fûr n ng)n. The formation of a fernlike pattern in a specimen of crystallized cervical mucus secreted at midcycle. |
Ferning
A term for 2 microscopic patterns bearing a remarkably faithful similarity to its namesake, related to normal gynaecologic physiology, which indicate that ovulation has occurred
Cytology A palm leaf-like pattern seen in dried endocervical mucus, consisting of a branched heterogeneous network of crystallised glycoprotein, NaCl and KCl salts, which forms a parallel canalicular system facilitating sperm penetration; it is induced by oestrogen and seen from days 7-18, peaking on day 14 of the menstrual cycle
Endometrium Complex branching of endometrial glands, which is histologic evidence that ovulation has occurred; other parameters corroborating ovulation include subnucleolar vacuolization with palisading of the gland cells, stromal ‘decidualization’, glandular necrosis, vascular thrombosis, inflammation and aggregates of stromal cells
Cytology A palm leaf-like pattern seen in dried endocervical mucus, consisting of a branched heterogeneous network of crystallised glycoprotein, NaCl and KCl salts, which forms a parallel canalicular system facilitating sperm penetration; it is induced by oestrogen and seen from days 7-18, peaking on day 14 of the menstrual cycle
Endometrium Complex branching of endometrial glands, which is histologic evidence that ovulation has occurred; other parameters corroborating ovulation include subnucleolar vacuolization with palisading of the gland cells, stromal ‘decidualization’, glandular necrosis, vascular thrombosis, inflammation and aggregates of stromal cells
ferning [fern´ing]
the appearance of a fernlike pattern in a dried specimen of cervical mucus, an indication of the presence of estrogen, usually seen at the midpoint of the menstrual cycle; it can be helpful in the determination of ovulation. The same phenomenon occurs with premature rupture of the fetal membranes.
ferning
the appearance of a fernlike pattern in a dried specimen of cervical mucus, an indication of the presence of estrogen.
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