primordium


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primordium

[prī′mȯrd·ē·əm]
(embryology)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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2F), a more extreme growth of scutellum cells causes the displacement of the root cap to a lateral position and places the first leaf primordium in a basal location (Tiwari 1970; Goetghebeur 1986).
Das et al., "A data-driven integrative model of sepal primordium polarity in Arabidopsis," Plant Cell, vol.
Third, the thyroid primordium may not have been able to detach from the pharyngeal floor and migrate, promoting a lingual thyroid with a complete structural and functional differentiation as observed in patients 3, 4, 5, and 6.
After 25degC growth for 7 d, the mycelia were subjected to 4degC low temperature stimulation treatments for 3 d, and then incubated at 13degC under a 12/12 h dark/light cycle for primordium.
Treatments included different stages of covering and manure as fertilizers sources, as follows: covering at the beginning of tillering with nitrogen at 34 kg [ha.sup.-1] (T1); covering at the floral primordium stage with N at 34 kg [ha.sup.-1] (T2); foliar fertilization with macro and micronutrients in the early tillering (T3); foliar fertilization with macro and micronutrients in floral primordium stage (T4); covering with N at 34 kg [ha.sup.-1] at the beginning of tillering and foliar fertilization with macro and micronutrients in floral primordium stage (T5); only basic fertilization (T6); control without fertilization (T7).
Differentiation of the Mouse hepatic primordium. I.
The split primordial group (type 1, duplicate gallbladder) refers to when the cystic primordium splits during embryogenesis and both gallbladders share a common cystic duct.
HHEX is expressed in the primordium of several organs derived from the foregut, including the thyroid bud (7).
Wood [53] defined primordium as a structure greater than 1 mm diameter composed of a dense hyphal mesh with a smooth surface and visibly distinct from strands or knots of hyphae.
A migratory arrest of breast primordium during chest wall development 2.
Normally, the cartilaginous costal primordium of the first coccygeal vertebra joins the vertebral column in early development, and lateral parts get lost through apoptosis, but in some people, they persist and form the pelvic digit (3).
The adrenal primordium and primitive gonad develop adjacent to each other;[sup.9] however, the adrenal cortex and medullary region have different embryological origins.