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Microscopial study of the processes occurring in the living embryo-sac of intact ovules, including observations of the whole embryo-sac and its individual cells before the fertilization, the manner of cell...
Presents the concept of complex change as it occurs in embryological development. Begins with the development of the oocyte, its expulsion into the uterine tube and its fertilisation there; then the...
A CD-ROM teaching resource for topographical anatomy and embryology, following the formation of the human embryo from fertilisation to folding. The first month of life is laid out on a page, with each day...
Follows the development of the human egg cell from the moment it is fertilised to the time of birth, and shows the egg dividing and multiplying. Traces the complex of chemical signals that manipulate and...
Four programmes from the ninth series, following more business ventures and their adventures in the struggle to make new firms succeed or to claw established companies back from the brink. Companies covered...
Explores reproductive evolution in plants. Relates how in Japan in 1896, Hirase Sakugoro discovered flagellated sperm in a seed of the ‘Ginkgo biloba’, and later Ikeno Seiichiro found the same type of...
Until recently the process of fertilisation had never been seen in detail. Now, using new developments in camera techniques and technology, the programme explores the beauty of the hidden microworld of human...
Shows the life cycle of the sea squirt ‘Halocynthia roretzi’. ‘Halocynthia’ adults from Mutzu Bay in Northern Japan are shown to spawn at a certain time of the day and differences in spawning time...
In two parts. 1: Stages of Meiosis: Shows each step of meiosis, from prophase I through to telophase II. Explains how meiosis reduces by half the normal diploid number of chromosomes in a cell, to ensure...
Programme showing the diversity of ways in which plants have evolved to promote cross-pollination and hence cross-fertilisation. It explores how plants are adapted for pollination by insects, birds, mammals,...
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Learning on Screen
Related searches have been automatically generated using the OpenCalais semantic analysis service.
Related searches have been automatically generated using the OpenCalais semantic analysis service.