Extracytoplasmic markers of human oocyte quality

Within growing follicles oocytes gradually acquire developmental competence to further support early embryonic development. This process is intrinsically linked to folliculogenesis. Thus, the fate of the germ cell depends on the health of the developing follicle, e.g. its vascularization, oxygen con...

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Bibliographic Details
Published inJournal of mammalian ova research Vol. 26; no. 1
Main Author Ebner, T.(Landes- Frauen- und Kinderklinik, Linz (Austria))
Format Journal Article
LanguageEnglish
Published 01.04.2009
Subjects
CALIDAD
CITOPLASMA
CYTOPLASM
CYTOPLASME
DESARROLLO EMBRIONARIO
DEVELOPPEMENT EMBRYONNAIRE
EMBRYONIC DEVELOPMENT
GENERO HUMANO
GENRE HUMAIN
MANKIND
OVA
OVULE
OVULO
QUALITE
QUALITY
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ISSN1341-7738
DOI10.1274/jmor.26.18

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Summary:Within growing follicles oocytes gradually acquire developmental competence to further support early embryonic development. This process is intrinsically linked to folliculogenesis. Thus, the fate of the germ cell depends on the health of the developing follicle, e.g. its vascularization, oxygen content and cumulus cell characteristics. Consequently, gametes of varying quality are harvested after follicular puncture. This review focuses on extracytoplasmic anomalies that should clearly be distinguished from intracytoplasmic ones. In detail, all relevant dysmorphisms related to the zona pellucida and perivitelline space will be discussed. Interestingly, some correlation can be found between extracytoplasmic dysmorphisms and fertilization and preimplantation development. Since genetic constitution is not affected by anomalies of the outer shell, it is postulated that it occurs in the late stages of maturation.
Bibliography:2009004336
L52
L53
ISSN:1341-7738
DOI:10.1274/jmor.26.18