lens rudiment
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animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… … Universalium
Ciliary body — Schematic diagram of the human eye Latin corpus ciliare Gray s … Wikipedia
Iris (anatomy) — Iris The iris is the blue area. The other structures visible are the pupil center and the white sclera surrounding the iris. The overlying cornea is pictured, but not visible, as it is transparent … Wikipedia
Neural tube — Transverse section of half of a chick embryo of forty five hours incubation. The dorsal (back) surface of the embryo is towards the top of this page, while the ventral (front) surface is towards the bottom. (Neural tube is in green.) … Wikipedia
Neural groove — Human embryo length, 2 mm. Dorsal view, with the amnion laid open. X 30. Latin sulcus neuralis Gray s … Wikipedia
Trifolium — Klee Wiesen Klee (Trifolium pratense), die Typusart der Gattung Systematik … Deutsch Wikipedia
Vierblättriger Klee — Klee Wiesen Klee (Trifolium pratense), die Typusart der Gattung Systematik … Deutsch Wikipedia
Vierblättriges Kleeblatt — Klee Wiesen Klee (Trifolium pratense), die Typusart der Gattung Systematik … Deutsch Wikipedia
element — 1. A substance composed of atoms of only one kind, i.e., of identical atomic (proton) number, that therefore cannot be decomposed into two or more elements and that can lose its chemical properties only by union with some other e. or by a nuclear … Medical dictionary
