Fertilisation
Polyspermic egg
In vitro fertilization, light microscope
LM of sperm on egg during fertilisation
Fertilisation, SEM
Pronuclear egg cells, light micrograph
Fertilization
Human fertilisation, artwork
ICSI method of in vitro fertilization
IVF treatment
Sperm cell fertilising an egg cell, ESEM
Sperm fertilising egg held by a skeleton
Human sperm
Fertilisation, illustration
Ovulation and fertilisation, artwork
Sperm production
In vitro fertilization of an egg
Fertilisation, artwork
Human egg and sperm, SEM
Acrosome reaction, artwork
Artificial insemination, artwork
Horse sperm
IVF treatment, light micrograph
Meiosis, LM
Human ovum
Sperms swimming towards egg
Sperm
Developing egg
Ovarian follicles, light micrograph
Ovarian follicle, light micrograph
Male chromosomes
Mating garden snails, Cornu aspersum
Human egg, SEM
Seaweed female sex cells
Fertilisation, conceptual image
In vitro fertilisation
Microscopic image of human sperm
Human sperm cells
Human sperm and egg, artwork
False-colour SEM of sperm around a human egg
Sperm cell, artwork
Preparing sperm for IVF
Human sperm, SEM
Human sperm cells, SEM
Eggs selected for IVF
Photomicrograph of green embryo
Ovarian follicle, TEM
Ovarian follicle, SEM
Bean sprouts arranged around slice of dried lotus root depicting sperm surrounding ovum
Sperm cells swimming to egg in tube
Sperm collection for IVF
False-colour SEM of an egg: in vitro fertilisation
Deformed sperm cell, SEM
Sperm cell, SEM
Sperm production, SEM
IVF treatment, light microscope
Maturing sperm, SEM
Dragonfly hamulus, SEM
Male bedbug intromittant organ (SEM)
Harvested human eggs
Egg storage for IVF
Stem cell research
Harvested eggs for IVF
Sperm, SEM
Human sperm cell, SEM
Human sperm with dna, artwork
Sperm cells, artwork
Sperm collection
Human sperm, artwork
Sketch of dog & rabbit sperm by Leeuwenhoek
Sperm production site, SEM
Germinating pollen of Brassica campestris
Pollen of chickweed, Stellaria media
Self-pollination in Stellaria media
Pollen grains of Dactylis glomerata
Anther and pollen of Galium aparine
Pollen of Cocksfoot, Dactylis glomerata
Egg selection for IVF
Cryostorage
Sperm cells, SEM
Hatching egg of the cabbage moth
LM of human embryo at four-cell stage
Ovary, LM
Primordial egg follicle in an ovary