Ctenoid scales resemble cycloid scales but have comb-like teeth on their overlapping edge.    From LearnThat.org.  [yourdictionary.com]

A cycloid is a curve traced by a point in the circumference of a wheel when the wheel is rolled along in a straight line.    From Wordnik.com.  [II. Osteology. 6c. 3. The Femur] Reference

Thin, translucent, and lacking enamel as well as dentine, these modern structures are known as cycloid and ctenoid scales.    From Wordnik.com. Reference

The fine-grained assemblage is dominated by tabular, low-density elements, such as cycloid scales and fish vertebrae.    From Wordnik.com.  [CONGRATS LAURA!!!] Reference

Chasles, in his History, says that the cycloid interweaves itself with all the great discoveries of the seventeenth century.    From Wordnik.com.  [The Atlantic Monthly, Volume 05, No. 30, April, 1860] Reference

Now the whole of this variety is the result of subjecting each part of the curve to a law more simple than that of the cycloid.    From Wordnik.com.  [The Atlantic Monthly, Volume 05, No. 30, April, 1860] Reference

Bernoulli showed that the curve of quickest descent is the cycloid, thereby solving the first problem of the calculus of variations.    From Wordnik.com.  [1688] Reference

A spot on the tire of a wheel running on a straight, level road, will describe in the air a series of peculiar arches, called the cycloid.    From Wordnik.com.  [The Atlantic Monthly, Volume 05, No. 30, April, 1860] Reference

We are going to focus on this curve, or arch, called a cycloid.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Roberval's theorems on the cycloid and Fermat's on maxima and minima to.    From Wordnik.com.  [A Budget of Paradoxes, Volume I (of II)] Reference

Int is the sum of the intercepts of the cycloid lines with alveolar septa.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

We will demonstrate a property of the cycloid that will justify this name.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

It is not yet known to what philosopher we owe the invention of the cycloid.    From Wordnik.com.  [Letters on England] Reference

Mathematical Potpourri 267 Figure 8.10 The cycloid as tautochrone. it can and does.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Let C AV be a cycloid, and the force be con - stant and act perpendicular to the base CV.    From Wordnik.com.  [The principles of fluxions : designed for the use of students in the university] Reference

As the circle rolls along the line 0x, the point P, fi xed on the circle, generates the cycloid.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

We see this in Figure 8.9, where A and B are the midpoints of the respective arches of the cycloid.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

The cycloid is also said to be a tautochrone (from the Greek tautos, or identical, and khronos, or time).    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Other Osteichthyes have cycloid scales that grow with the fish, are thin, more flexable, and overlap eachother.    From Wordnik.com.  [CreationWiki - Recent changes [en]] Reference

The docomo PRIME series SH-01A is a cycloid-style handset with an 8 megapixel camera and a 3.3 inch wide screen.    From Wordnik.com.  [News From Symbian Smart Phones World...] Reference

Briefly, a binary threshold mask of the alveolar septa was made, a grid of 5 cycloid lines was placed on the mask.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

He published works on the arithmetical triangle, on wagers and the theory of probabilities, and on the roulette or cycloid.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 11: New Mexico-Philip] Reference

Lithium still has many other uses in the medical field; some of these are migraine, um polar, depression, and cycloid psychosis.    From Wordnik.com.  [CreationWiki - Recent changes [en]] Reference

In 1644 he published a tract on the properties of the cycloid in which he suggested a solution of the problem of its quadrature.    From Wordnik.com.  [A History of Science: in Five Volumes. Volume II: The Beginnings of Modern Science] Reference

He and his younger brother Johann, along with Gottfried Wilhelm Leibniz, Isaac Newton, and others, found the curve to be a cycloid.    From Wordnik.com.  [Griffin And Hoxie Mega Feed] Reference

He solved some of the great mathematical problems of the day, such as the finding of the area and the centre of gravity of the cycloid.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 14: Simony-Tournon] Reference

'with its lower end at the vertex of a cycloid whose plane is vertical'.    From Wordnik.com.  [The Romance of Mathematics Being the Original Researches of a Lady Professor of Girtham College in Polemical Science, with some Account of the Social Properties of a Conic; Equations to Brain Waves; Social Forces; and the Laws of Political Motion.] Reference

D) Intersection of cycloid lines with tissue in thresholded image (B).    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Pascal’s labours on the cycloid may be said to bring to a close his scientific career.    From Wordnik.com.  [Pascal] Reference

Figure 8.8 The cycloid.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Let's look at the cycloid curve itself.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Figure 8.11 The cycloid as brachistochrone.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Enough with the pendulum property of a cycloid.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

(They are cycloid.    From Wordnik.com.  [Journals of Expeditions of Discovery into Central Australia and Overland from Adelaide to King George's Sound in the Years 1840-1: Sent By the Colonists of South Australia, with the Sanction and Support of the Government: Including an Account of the Manners and Customs of the Aborigines and the State of Their Relations with Europeans — Complete] Reference

Involute, cycloid, and epicyloid.    From Wordnik.com.  [Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.] Reference

Involute, cycloid, and epicycloid.    From Wordnik.com.  [Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures] Reference