Otic vesicle chick, invagination of the otic placode occurs passively due to the movements of the surrounding placode. The otic placode in zebrafish, on the other hand, occurs by cavitation; the ectodermal placode condenses and forms an ovoid ball directly below the embryo surface. Otic vesicle formation occurs later, during the 25-30 somite stage in mice. Otic vesicle Otic vesicle, or auditory vesicle, consists of either of the two sac-like invaginations formed and subsequently closed off during embryonic development. It is part of the neural ectoderm, which will develop into the membranous labyrinth of the inner ear. This labyrinth is a continuous
Dynamism of a Human Body: Boxer in any type of motion or fixed presence, but rather in such a way that it would "decompose according to the tendencies of its forces". Despite the abstractness of the painting, the viewer can make out movement by view of the contours and bundles of muscles. In general, the series of Boccioni's dynamisms attempt to document progressive movement through its various elements. The work was part of a forty-six drawing series. These drawings were displayed in the spring of 1914 at Florence. Dynamism of a Human Body: Boxer Dynamism of a Human Body: Boxer is a dynamism drawing created by