The zona pellucida (ZP) glycoproteins play an important role in oocyte development and gamete biology.
Zona Pellucida -- The protective outer membrane surrounding the egg.
Zygote -- A fertilized egg which has not yet divided.
Zona pellucida
The protective coating around the egg and early embryo.
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Zona Pellucida: A translucent non-cellular layer, which surrounds the egg and embryo. Just prior to implantation the zona will be broken and the embryo released to implant in the endometrium.
Zona pellucida
The outer protein coat (shell) of an ovum, which must be penetrated by a sperm cell for fertilisation to take place.
Zygote
A fertilised egg which has not yet divided.
Zona pellucida - the protective coating surrounding the egg Zygote - an egg that has been fertilized but not yet divided Zygote Intra Fallopian transfer (ZIFT) in vitro fertilization with a transfer of the zygote into the fallopian ...
Zona Pellucida - A gel like layer that surrounds the developing ovum in the ovarian follicle. The zona pellucida plays a key factor in fertilization as it is penetrated by the sperm.
Zona pellucida - the translucent belt consisting of a noncellular layer that is deposited at the periphery of the egg while it is in the ovary and continues to surround the egg and the conceptus until the stage of implantation, ...
Zona pellucida
The outer covering of the ovum that the sperm must penetrate before fertilization can occur.
Zygote
an egg that has been fertilized but not yet divided
Zygote Intra Fallopian transfer (ZIFT) ...
Zona pellucida
The protective coating surrounding the egg
Zygote
A fertilized oocyte formed by the fusion of egg and sperm, containing DNA from both.
Zona pellucida
A glycoprotein coating that surrounds the outer layer of the ovum (egg) and early embryo. The zona pellucida disappears just prior to implantation of the early embryo into the uterine wall.
ASSISTED HATCHING- A procedure in which a small hole is made in the outer shell around the embryo (zona pellucida) before embryo transfer to aid in implantation of the embryo and pregnancy.
Assisted Hatching: An in vitro procedure in which the zona pellucida of an embryo (usually at eight-cell stage or a blastocyst) is perforated by chemical, mechanical, ...
There will be a flat layer of cells on the exterior of this cavity, and the zona pellucida will remain the same size as before. Cells are growing increasingly smaller to fit in.
Normally, when the embryo reaches the uterus it must break through its own outer membrane, called the zona pellucida, in order to implant. This is known as "hatching" (imagine a chicken hatching from an egg).
In assisted hatching, a small hole is made in the membrane surrounding the embryo, known as the zona pellucida. Piercing the membrane makes it easier for the embryo to break free and ultimately attach to the uterine wall.
Then, a flat layer cell forms on the exterior of this cavity, and the zona pellucida, the blastocyst's barrier, remains the same size as before. Cells grow increasingly smaller to fit in.
ASSISTED HATCHING: A technique whereby a small hole is created in the zona pellucida (eggshell) of the embryo in order to facilitate implantation of the embryo in the uterus.
The two cells, also known as the daughter cells, are surrounded by a glycoprotein called zona pellucida. The cells keep on dividing to form a spherical mass known as blastocyst. This blastocyst is made up of three different layers.
SUZI may be carried out as part of a treatment cycle of in vitro fertilisation. Rather than being mixed together in a dish, a sperm is injected directly into the egg, just below the outer layer of the egg, the zona pellucida.
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Once ejaculated, the sperm must be capable of swimming through the cervix, into the uterus, and to the distal end of the fallopian tubes. A sperm must attach to, and penetrate, the zona pellucida (membrane surrounding the egg) and fertilize the egg.
 See also: Pregnancy, Sperm, Fertility, Egg, Embryo
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