# spheroid

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## spher·oid

(sfîr′oid′, sfĕr′-)
n.
A body that is shaped like a sphere but is not perfectly round, especially an ellipsoid that is generated by revolving an ellipse around one of its axes.

sphe·roi′dal (sfĭ-roid′l), sphe·roi′dic (-roi′dĭk) adj.
sphe′roi·dic′i·ty (-dĭs′ĭ-tē) n.

## spheroid

(ˈsfɪərɔɪd)
n
(Mathematics) maths another name for ellipsoid of revolution
(Mathematics) shaped like but not exactly a sphere

## sphe•roid

(ˈsfɪər ɔɪd)
n.
a solid geometrical figure similar in shape to a sphere, as an ellipsoid.
[1655–65; < Latin sphaeroīdēs < Greek sphairoeidḗs. See sphere, -oid]

## sphe·roid

(sfîr′oid′)
A three-dimensional geometric surface generated by rotating an ellipse on or about one of its axes.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 spheroid - a shape that is generated by rotating an ellipse around one of its axes; "it looked like a sphere but on closer examination I saw it was really a spheroid"ellipsoid of revolutionround shape - a shape that is curved and without sharp angles
Translations

[ˈsfɪərɔɪd] N

## spheroid

n (Geometry) → Rotationsellipsoid nt

## sphe·roid

, spheroidal
n. esferoide, de forma esférica.
References in classic literature ?
He thus obtained a spheroid, the capacity of which amounted, in round numbers, to ninety thousand cubic feet.
At that precise moment we shall leave our spheroid.
The spheroids form quickly in just a few days without much manipulation.
Also, advanced model systems, including diseased human steatotic liver spheroids, were established.
The system delivers increased throughput and enables the acquisition and analysis of images with high quality and depth for even the most demanding 3-D samples, such as spheroids and organoids.
This proposal is based on recent findings in the laboratory: The development of novel 3D spheroid system with chemically defined media allowing studies of chronic drug toxicity, relevant liver disease and liver function for 5 weeks in vitro, the finding of the role of miRNA in hepatocyte dedifferentiation and that hepatocytes during spheroid formation first de-differentiate but later in spheroids re-differentiate to an in vivo relevant phenotype.
The therapy entails removing a small piece of healthy cartilage from which chrondrocyte spheroids are produced in a laboratory.
33% within spheroids, which exhibited confined proliferative cells that might be cancer stem cells.
Occasional scaly rashes have been treated with both antifungal and antibiotic East creams, and sometimes with topical spheroids.
Lymphoid organ: The lobules, lymphoid tubules were disorganized and had lost the normal appearance, and parts of the tubules were lymphoid spheroids that lacked a lumen when compared to the normal lymphoid tubule.
3D liver spheroids are often used for drug testing as they strongly resemble liver tissue.
However, tumor spheroids cultured in vitro are considered somewhat similar to small nodal tumors in a preangiogenic state [1].

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