human eggs egg in the tubeegg with corona cellsegg with polar bodyegg with zona pellucidaimmature egg main categories human eggshuman embryosspermfertilizationfemale genital trackendometriumplacentainsectsothers hyperplastic endometrium with micropolyp hyperplastic endometrium with micropolyp hyperplastic endometrium (womb lining) with micropolyp red and white blood cells on infected womb lining red and white blood cells on infected womb lining red and white blood cells on infected womb lining red and white blood cells on infected wound of the womb lining red and white blood cells on infected womb lining red and white blood cells on infected womb lining red and white blood cells on infected womb lining normal human sperm in the endometrium normal human sperm in the endometrium normal human sperm in the endometrium normal human sperm in the endometrium normal human sperm in the endometrium human fallopian tube epithelium human fallopian tube epithelium normal human sperm in the fallopian tube normal human sperm in the fallopian tube normal human sperm in the fallopian tube sperm inside a corona cell during fertilization sperm with corona cells during fertilization normal human sperm in the fallopian tube day 6 hatched human blastocyst Previous 1234 Next