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Outside the stele lies the endodermis, which is the innermost cell layer of the cortex. The concept of the stele was developed in the late 19th century by French botanists P. E. L. van Tieghem and H. Doultion as a model for understanding the relationship between the shoot and root, and for discussing the evolution of vascular plant morphology. [2]
The endodermis is the boundary between the cortex and the stele. In many seedless plants, such as ferns, the endodermis is a distinct layer of cells immediately outside the vascular cylinder (stele) in roots and shoots. In most seed plants, especially woody types, the endodermis is present in roots but not in stems.
Cover of the first edition. Biology Today is a college-level biology textbook that went through three editions in 1972, 1975, and 1980. The first edition, published by Communications Research Machines, Inc. (CRM) and written by a small editorial team and large set of prominent "contributing consultants", is notable for its lavish illustrations and its humanistic approach.
I created the plant biology text currently in Stele. Originally both stele and stela pages talked about stone slabs. I combined thos two but didn't add any text. To my knowledge stele and stela can both refer to inscribed stone slabs but only stele is also a concept in biology. --Chino 05:59, 4 Nov 2004 (UTC)
Secondary growth thickens the stem and roots, typically making them woody.Obstructions such as this metal post and stubs of limbs can be engulfed. In botany, secondary growth is the growth that results from cell division in the cambia or lateral meristems and that causes the stems and roots to thicken, while primary growth is growth that occurs as a result of cell division at the tips of stems ...
Stoli. Stoli Group USA, the owner of the namesake vodka, filed for bankruptcy in December. A number of things went wrong for the unit, including a slowing demand for spirits, a major cyberattack ...
One possible reconstruction of the original stele. The Rosetta Stone is a fragment of a larger stele. No additional fragments were found in later searches of the Rosetta site. [11] Owing to its damaged state, none of the three texts is complete. The top register, composed of Egyptian hieroglyphs, suffered the most damage.
Rebel Wilson and Ramona Agruma are legally married in Australia!. The pair — who initially tied the knot during a lavish wedding in Sardinia, Italy, on Sept. 28 — made it official in Wilson ...