Fern Prothallium Archegonium Median LS Prepared Microscope Slide

7-16HH Fern Prothallium Archegonium Median LS Prepared Microscope Slide Fern prothallium; with archegonium, median ls, neck canal nuclei disintegrating.

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CS = Cross Section: So the slide shows a thin section through the transverse plane of an organism.

LS = Longitudinal Section: So the slide shows a vertical section of the organism along the longest plane.

WM = Whole Mount: So the slide shows an entire organism or structure, as indicated, is preserved on the slide

CRT = Cross Section, Radial Section, and Tangential Section: So the slide shows sections of wood along the transverse, radial, and tangential planes.

Sag = Sagittal Section: So the slide shows a thin section through the sagittal plane through the midline.

Serial Sections = So the slide shows consecutive sections of the organism.

Rep = Representative Sections (Embryology):  So the slide shows one section of the organism from each typical area of study.

Triarch Incorporated’s name is based on a botanical slide
that illustrates three ridges of xylem found in the vascular cylinder of the Ranunculus root.
Our founder, George H. Conant, Ph.D., had three principles in mind:
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He incorporated these into the Triarch logo based on the triarch vascular cylinder.