disc(1) (iou) and posterior humeral circumflex artery (medicine)

disc(1) (iou)

disc noun. Also (US & Computing now the usual form) disk. M17.
[French disque or its source Latin DISCUS.]
The seemingly flat round form that the sun, moon, and Other celestial objects present to the eye; any similar round luminous shape. M17.
= DISCUS 1. obsolete exc. Hist. E18.
A flat circular object thin in relation to its diameter. E18.
G. Grote Whether the earth was a disk or a sphere. B. Malamud A peephole at eye level covered by a metal disc.
b. A sound or Video recording in the form of a disc; a gramophone record, a compact disc. L19.
c. Computing. A data-storage device in the form of a disc with a prepared, usu. magnetizable, surface. M20.
Botany & Zoology. A roundish flattened part in a plant or animal; spec. (in a composite flower-head with two types of floret) the inner, closely packed, tubular florets round which the outer, ligulate florets (ray) are arranged. E18.
b. Anatomy. The layer of cartilage and pulp between successive vertebrae. L19.
Phrases etc.: black disc: see BLACK adjective. compact disc: see COMPACT adjective 1. FLOPPY disk. hard disk: see HARD adjective. imaginal disc: see IMAGINAL adjective2. minifloppy disk: see MINI. optic disc: see OPTIC adjective. optical disk: see OPTICAL adjective. slipped disc an intervertebral disc that has become displaced or prolapsed and can cause pain, weakness, or paralysis by pressure on nerves or the spinal cord. videodisc: see Video adjective & noun.
Comb.: disc brake: that uses disc-shaped friction surfaces; disc camera: in which the images are formed on a disc, not on a roll of Film; disc floret any of the tubular florets forming the disc in certain composite plants (see sense 4 above); disc harrow: with concave cutting discs at an oblique angle; disc jockey a person who introduces and plays recorded Music on a Radio programme etc.; disc parking a system in which parked vehicles must display a disc showing time of arrival or latest permitted time of departure; disk drive Computing a device with a read/write head and means for rotating a disk or disk pack; disk emulator Computing a program that enables part of a memory to be used as if it were a disk; disk pack Computing an assembly of disks on a common spindle inside a removable protective cover; disc wheel a bicycle wheel with a central disc in place of spokes.
discless adjective M19.
disclike adjective resembling a disc, disc-shaped L19.

posterior humeral circumflex artery (medicine)

posterior humeral circumflex artery -->
posterior circumflex humeral artery
<anatomy, artery> Origin, axillary; distribution, muscles and structures of shoulder joint; anastomoses, anterior circumflex humeral, suprascapular, thoracoacromial, and profunda brachii.

Synonym: arteria circumflexa humeri posterior, posterior humeral circumflex artery.

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