streak

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streak

 [strēk]
a line, stria, or stripe.
angioid s's red to black irregular bands in the ocular fundus running outward from the optic disk.
primitive streak a faint white trace at the caudal end of the embryonic disk, formed by movement of cells at the onset of mesoderm formation, providing the first evidence of the embryonic axis. It eventually undergoes degenerative changes and disappears.

streak

(strēk),
A line, stria, or stripe, especially one that is indistinct or evanescent.
[A.S. strica]

streak

(strēk) a line, stria, or stripe.
angioid streaks  red to black irregular bands in the ocular fundus running outward from the optic disk.
fatty streak  a small, flat, yellow-gray area, composed mainly of cholesterol, in an artery; possibly an early stage of atherosclerosis.
meningitic streak  tache cérébrale.
Moore's lightning streaks  vertical flashes of light sometimes seen on the peripheral side of the field of vision when the eyes are moved, a benign condition.
primitive streak  a faint white trace at the caudal end of the embryonic disc, formed by movement of cells at the onset of mesoderm formation and providing the first evidence of the embryonic axis.

streak

(strēk)
n.
1. A line, mark, smear, or band differentiated by color or texture from its surroundings.
2. Microbiology A sample of microorganisms that has been introduced into a solid culture medium by a needle drawn across its surface.
v. streaked, streaking, streaks
v.tr.
Microbiology To inoculate (a culture medium) with a streak.

streak′er n.

streak

Etymology: AS, strican, to stroke
a line or a stripe, such as the primitive streak at the caudal end of the embryonic disk.

streak

(strēk)
A line, stria, or stripe, especially one that is indistinct or evanescent.
[A.S. strica]

streak

(strēk)
A line, stria, or stripe, especially one that is indistinct or evanescent.
[A.S. strica]

streak

a line or stripe.

angioid s's
red to black irregular bands in the ocular fundus running outward from the optic disk.
streak canal
the papillary duct, the canal between the exterior and the lactiferous sinus within the teat of a ruminant.
primitive streak
a faint white trace at the caudal end of the embryonic disk, formed by movement of cells at the onset of mesoderm formation, providing the first evidence of the embryonic axis.
References in periodicals archive ?
A Snapchat streak can be identified with a number that appears next to a fire emoji by the user's name-a small symbol that is liable to drive people absolutely nuts when it vanishes for no good reason.
teams enjoyed winning streaks of more than 30 games.
For Miami, 16 playoff wins are the goal - not a 16-game winning streak during the regular season.
Like a popular politician with long coattails, a baseball player on a hitting streak seems to lift the performance of those around him.
I decided to compile a list of the longest streaks of consecutive innings in major league history.
So imagine our surprise when we came across the news that the Brandon (FL) High School wrestling teams' national-record 459 consecutive dual match winning streak came to an end last month at the hands of Homestead South Dade, the then No.
That Cabrera's 63 CGOBS streak appears to have been somewhat of a fluke accomplishment is further indicated by comparison of the on-base average he produced during his streak with the corresponding on-base percentages fashioned by each of the previous achievers of 60 CGOBS streaks.
Studio production chiefs also tend to decry streaks because they suggest an admission that luck, not brilliant strategy, plays a role in their success or failure.
The series of circles was successfully used to confirm and quantify observations on the relationship between RWAs and streaking and as to the location and development of the streaks.
Over time, material that stagnates in the flow path or leaks at a parting line degrades and then shows up as black or brown streaks or specks in the molded part.
The first sign that cholesterol has infiltrated an artery's wall is a streak of fat and cholesterol in the wall's lining.