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Narcissus in culture – uses of narcissus flowers by humans. Lime tree in culture – uses of the lime (linden) tree by humans. Rose symbolism – a more expansive list of symbolic meanings of the rose. Apple (symbolism) – a more expansive list of symbolic means for apples.
Plant development. Important structures in plant development are buds, shoots, roots, leaves, and flowers; plants produce these tissues and structures throughout their life from meristems [1] located at the tips of organs, or between mature tissues. Thus, a living plant always has embryonic tissues. By contrast, an animal embryo will very early ...
As in other Mannerist works, the proportions of the body – here the neck – are exaggerated for artistic effect. Body proportions is the study of artistic anatomy, which attempts to explore the relation of the elements of the human body to each other and to the whole. These ratios are used in depictions of the human figure and may become ...
Figure drawing by Leonardo da Vinci. A figure drawing is a drawing of the human form in any of its various shapes and postures, using any of the drawing media. The term can also refer to the act of producing such a drawing. The degree of representation may range from highly detailed, anatomically correct renderings to loose and expressive sketches.
The golden-crowned sifaka is one of the smallest sifaka species with a weight of 3.4 to 3.6 kg (7.5 to 7.9 lb), a head-body length of 45 to 47 cm (18 to 19 in), a tail length of 42 to 47 cm (17 to 19 in), and total length of 87 to 94 cm (34 to 37 in).
Pers. ex Bercht. & J. Presl. Cycads / ˈsaɪkædz / are seed plants that typically have a stout and woody (ligneous) trunk with a crown of large, hard, stiff, evergreen and (usually) pinnate leaves. The species are dioecious, that is, individual plants of a species are either male or female. Cycads vary in size from having trunks only a few ...
Neoteny (/ niˈɒtəni /), [1][2][3][4] also called juvenilization, [5] is the delaying or slowing of the physiological, or somatic, development of an organism, typically an animal. Neoteny is found more in modern humans compared to other primates. [6] In progenesis or paedogenesis, sexual development is accelerated.
Tissue culture is the growth of tissues or cells in an artificial medium separate from the parent organism. This technique is also called micropropagation. This is typically facilitated via use of a liquid, semi-solid, or solid growth medium, such as broth or agar. Tissue culture commonly refers to the culture of animal cells and tissues, with ...