illustration of fertilization of flower, pollen grain containing male nuclei on stigma, male nucleus travelling down pollen tube, female nuclei inside ovule - ovule stock illustrationsIllustration of fertilization of flower, pollen grain containing male nuclei on stigma, male nucleus travelling down pollen tube, female nuclei inside ovule
egg in fallopian tube, illustration - ovule stock illustrationsEgg in fallopian tube, illustrationOvary
illustration of the fertilisation of a cycad (gymnosperm), showing female cone, male cone, sporangium of male cone, pollen grain, ovule before fertilization, ovule trapping pollen, fertilization occurring, seeds ripening and ready to be released - ovule stock illustrationsIllustration of the fertilisation of a Cycad (Gymnosperm), showing female cone, male cone, sporangium of male cone, pollen grain, ovule before fertilization, ovule trapping pollen, fertilization occurring, seeds ripening and ready to be released
illustration of broadleaf flower showing ovules inside the ovary - ovule stock illustrationsIllustration of broadleaf flower showing ovules inside the ovary
pollination mechanism, illustration - ovule stock illustrationsPollination mechanism, illustrationPollination, Animal
flax (linum usitatissimum) flower cross section - 19th century - ovule stock illustrationsFlax (Linum Usitatissimum) Flower Cross Section - 19th Century
sticky catchfly flower (silene caroliniana) cross section cutaway drawing - 19th century - ovule stock illustrationsSticky Catchfly Flower (Silene Caroliniana) Cross Section Cutaway Drawing - 19th Century
once the pollen has fertilized the egg cell contained within the ovule, the ovule develops into a seed - ovule stock illustrationsOnce the pollen has fertilized the egg cell contained within the ovule, the ovule develops into a seed
antique biology zoology image: young ovules of a medusa, vertebrate sperm mother cells - ovule stock illustrationsAntique biology zoology image: Young ovules of a medusa, Vertebrate sperm mother cellsSperm
frozen egg, conceptual illustration - ovule stock illustrationsFrozen egg, conceptual illustrationHuman Egg, Frozen, Ice
flower pistil with pollen tubes extending to ovules - 19th century - ovule stock illustrationsFlower Pistil with Pollen Tubes Extending to Ovules - 19th Century
ovule of buckwheat flower (fagopyrum esculentum) and chickweed flower (stellaria media) - 19th century - ovule stock illustrationsOvule of Buckwheat Flower (Fagopyrum Esculentum) and Chickweed Flower (Stellaria Media) - 19th Century
insect pollination, illustration - ovule stock illustrationsInsect pollination, illustrationPollination
insect pollination, illustration - ovule stock illustrationsInsect pollination, illustrationPollination
pollination mechanism, illustration - ovule stock illustrationsPollination mechanism, illustrationDiagram, Education
magnolia flower ovule progression of bitegmic integument development, and cross sections - 19th century - ovule stock illustrationsMagnolia Flower Ovule Progression of Bitegmic Integument Development, and Cross Sections - 19th Century
various different types of ovule placentation - 19th century - ovule stock illustrationsVarious Different Types of Ovule Placentation - 19th Century
