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adj. Shaped like a half-moon; crescent-shaped.

adj. Shaped like a half-moon; crescent-shaped.

n. The lunate bone, or semilunar bone.

adj. Shaped like a half moon.

n. The semilunar bone.

Resembling a half-moon in form; half-moon shaped; loosely, in anat., bot., and zoology, crescentic in shape; crescentiform; meniscoid; concavo-convex: noting several structures, without much regard for precision in the implied meaning.

The lower concave border of the posterior layer of the sheath of the rectus muscle, lying about midway between the umbilicus and publis.

Same as rectovesical fold (which see, under rectovesical).

The interclavicular notch.

The suprascapular notch.

Synonyms Semilunar, Sigmoid. In anatomy, formerly (as still sometimes) these words described the same crescentic figure, for the reason that a later form of the Greek letter signia, Σ, was like a C. The two forms are distinguished in structures later named. Compare sigmoid (cavity of the ulna) with sigmoid (flexure of the rectum), under sigmoid, a.

n. The semilunar or lunar bone of the wrist. See semilunare.

adj. resembling the new moon in shape

"The memory effect occurred because of a rare type of brain cell called semilunar granule cells, described in 1893 by the father of neuroscience, Ramón y Cajal."

rounded    sigmoid valves   

semilunar ganglion    semilunar notch    semilunar fold of the eye    semilunar bone    semilunar fold of douglas    semilunar fibrocartilage    semilunar pulmonary valve    semilunar cavity    semilunar cartilage    semilunar fascia   

crescent-shape   

ileocecal    solenoid-operated    self-told    gastroesophageal    derichment    tricuspid    72    back pressure    defrost    large-diameter