Pronuclear egg cells, light micrograph
Polyspermic egg
Ovarian follicles, light micrograph
Ovarian follicle, light micrograph
Fertilisation
Developing egg
Human ovum
In vitro fertilization of an egg
In vitro fertilization, light microscope
Sperms swimming towards egg
Graafian follicle, Light micrograph
Photomicrograph of green embryo
Ovarian follicle, TEM
Ovarian follicle, SEM
Egg
Seaweed female sex cells
Human egg, SEM
Hatching egg of the cabbage moth
LM of sperm on egg during fertilisation
Primordial egg follicle in an ovary
Primordial egg follicles in an ovary
Sperm cell fertilising an egg cell, ESEM
Sperm fertilising egg held by a skeleton
Fertilization
IVF treatment, light micrograph
受精卵
Scutellaria seed, SEM
Chaenorhinum seed, SEM
Nemesia seed, SEM
Chaenorhinum seed.
Scutellaria seed.
Eight-cell mouse embryo, light micrograph
LM of human embryo at four-cell stage
ICSI method of in vitro fertilization
IVF treatment
Ovary, LM
Moth egg
Egg storage for IVF
Harvested human eggs
Human egg and sperm, SEM
Egg of large skipper butterfly
In vitro fertilisation, light micrograph
Ovum
Zygote
Eggs selected for IVF
Ovary, light micrograph
Ovum of a tapeworm, light micrograph
Human sperm cells
Seeds, SEM
Sixteen-cell mouse embryo, confocal micrograph
Fertilisation, SEM
Emerging larva of Pieris brassicae
Egg selection for IVF
Fertilisation, illustration
Stem cell research
Harvested eggs for IVF
Acrosome reaction, artwork
Human fertilisation, artwork
Bean sprouts arranged around slice of dried lotus root depicting sperm surrounding ovum
Artificial insemination, artwork
Fluke egg, SEM
Ovarian follicles, micrograph and illustration
Sperm cells swimming to egg in tube
In vitro fertilisation
Meiosis, LM
Secondary oocyte in the human ovary
Horse sperm
Cryostorage
In-vitro fertilisation
Genetic engineering
Ovulation and fertilisation, artwork
Bird reproductive organs, artwork
Male chromosomes
Desmid zygote, light micrograph
Pollen grains, light micrograph
Scots pine (Pinus sylvestris) ovule
Yew (Taxus baccata) tree female cone
Ovarian follicles, LM
Heterophyes, LM
Microscopic image of human sperm
Broadclub cuttlefish egg
Female Body And Uterus . Flat design female body and uterus on white background vector illustration
Egg panels arranged on a chicken farm
Sperm, SEM
Egg panels arranged on a chicken farm with a blurred egg background, Occupation of farmers in Thailand