Enlarged Images
Enlarged Images - Related Videos
07:41
Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
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Cited by 2 •
2019
Here we present a protocol to standardize the measurement of the levator ani hiatus size by magnetic resonance imaging. The purpose is to extract biomechanical inferences from image analysis by comparing resting and straining values in patients of both sexes with pelvic prolapse, using consistent anatomical bony landmarks.
01:22
Enlargement of the Plasma Membrane
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2023
Cell division and enlargement are processes that require precise control. The control ensures that cell division cannot proceed unless the cell has grown to a specific size. A spherical, dividing cell requires an approximately 1.6X increase in its surface area to double its volume. The secretory pathway also has a significant role in cell membrane enlargement. Secretory vesicles that bud off from the Golgi apparatus and later fuse with the plasma membrane during exocytosis are a major source of...
09:11
Using Expansion Microscopy to Physically Enlarge Whole-Mount Drosophila Embryos for Super-Resolution Imaging
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Cited by 5 •
2023
Here, a protocol for the implementation of expansion microscopy in early Drosophila embryos to achieve super-resolution imaging using a conventional laser-scanning confocal microscope is presented.
13:45
Hybrid µCT-FMT imaging and image analysis
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Cited by 35 •
2015
We describe a protocol for hybrid imaging, combining fluorescence-mediated tomography (FMT) with micro computed tomography (µCT). After fusion and reconstruction, we perform interactive organ segmentation to extract quantitative measurements of the fluorescence distribution.
10:02
High-frequency Ultrasound Imaging of Mouse Cervical Lymph Nodes
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Cited by 7 •
2015
This protocol describes the application of high-frequency ultrasound (HFUS) for imaging mouse cervical lymph nodes. This technique optimizes visualization and quantification of cervical lymph node morphology, volume and blood flow. Image-guided biopsy of cervical lymph nodes and processing of lymph tissue for histological evaluation is also demonstrated.
FAQs
The scale factor controls every corresponding linear measurement. For example, a scale factor greater than 1 multiplies each original side length by the same value, allowing an unknown enlarged length to be found through multiplication. Conversely, dividing an enlarged measurement by the scale factor recovers the matching original length. This preserves proportional relationships throughout the figure.
Coordinate scaling depends on the chosen center of enlargement. Each point is repositioned relative to that center, with its horizontal and vertical distances multiplied by the scale factor. Points therefore move farther from the center when the factor exceeds 1. This approach connects enlarged images with coordinate geometry and helps locate corresponding vertices on a grid.
Perimeter changes in the same ratio as the scale factor because it is a total of lengths. Area changes according to the effect of scaling on two dimensions, so its relationship with the original area differs from the linear relationship used for side lengths. Recognizing this distinction helps students avoid applying a length rule directly to area calculations.
Corresponding angles provide a useful check on similarity. When a figure is enlarged correctly, its angles remain unchanged even though its side lengths increase. The matching angle measures, together with proportional corresponding lengths, show that the figure has retained its shape rather than undergoing a distortion. This supports comparisons between an original drawing and its enlarged image.
First identify a pair of corresponding measurements, then determine the scale factor by comparing the enlarged value with the original. Apply that factor to the matching known length, or divide by it when working backward from the enlarged figure. Checking whether other corresponding lengths follow the same proportion helps verify the calculation.
Maps and technical drawings use scale relationships to represent objects at a different size while preserving their proportions. Mathematics also uses these figures to practice measurement, coordinate geometry, and similarity. By translating a drawing's scale into numerical relationships, learners can estimate real dimensions, calculate missing lengths, and interpret how a model corresponds to the object it represents.