paraxial

“Swirl embryos, for example, have much enlarged paraxial mesoderm, the forming somites encircle the entire embryo (Figure 5F), and ventrally derived structures such as blood and the ventral tail fin are reduced or lacking entirely (57).”

Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes

“The embryo is more completely separated from the yolk-sac, and the paraxial mesoderm is being divided into the primitive segments (Fig. 58).”

I. Embryology. 14. The Form of the Embryo at Different Stages of Its Growth

“On either side of it is a column of paraxial mesoderm which becomes subdivided into a number of more or less cubical segments, the primitive segments (Figs. 19 and 20).”

II. Osteology. 1. Development of the Skeleton

“A longitudinal groove appears on the dorsal surface of either half and divides it into a medial column, the paraxial mesoderm, lying on the side of the neural tube, and a lateral portion, the lateral mesoderm.”

I. Embryology. 5. Segmentation of the Fertilized Ovum

“The mesoderm in the floor of the groove connects the paraxial with the lateral mesoderm and is known as the intermediate cell-mass; in it the genito-urinary organs are developed.”

I. Embryology. 5. Segmentation of the Fertilized Ovum

“Toward the end of the second week transverse segmentation of the paraxial mesoderm begins, and it is converted into a series of well-defined, more or less cubical masses, the primitive segments (Figs. 18, 19, 20), which occupy the entire length of the trunk on either side of the middle line from the occipital region of the head.”

I. Embryology. 8. The Primitive Segments

“Organized by subject, the book begins with the fundamental law of geometric optics, Snell's law of refraction, and states the paraxial ray trace equations, then moves on to thin lenses and increasingly more sophisticated components and multi-element systems.”

AvaxHome

“The current study was carried out to test whether any of the five major signaling pathways are regulated by tbx16 during two specific stages of mesoderm development: primitive red blood cell formation in the intermediate mesoderm and somite formation in the tail paraxial mesoderm.”

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“Cax mutant embryos have somites of variable size, showed partly abnormal Lfng expression and, consistently defective anterior-posterior somite patterning and axial skeleton development but had virtually no defects in several other Notch-regulated early developmental processes outside the paraxial mesoderm that we analyzed.”

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