Lexic.us

Definition of Deltoid

1. Adjective. Triangular or suggesting a capital delta, with a point at the apex.

2. Noun. A large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm.

Definition of Deltoid

1. a. Shaped like the Greek Δ (delta); delta-shaped; triangular.

Definition of Deltoid

1. Noun. The deltoid muscle, a triangular muscle on the human shoulder. ¹

2. Noun. The deltoid ligament, a triangular ligament on the human ankle. ¹

3. Adjective. In the shape of the upper case Greek letter delta ?; triangular. ¹

4. Adjective. Of, or connected with the deltoid muscle ¹

5. Adjective. (botany of leaves) Of a triangular or roughly triangular shape and attached to the stem via the side. ¹

¹ Source: wiktionary.com

Definition of Deltoid

1. a shoulder muscle [n -S]

Medical Definition of Deltoid

1. Origin, anterior border and upper surface over lateral third of clavicle, lateral border of acromion process, lower border of spine of scapula; insertion, lateral side of shaft of humerus a little above its middle (deltoid tuberosity); action, abduction, flexion, extension, and rotation of arm; nerve supply, axillary from fifth and sixth cervical spinal cord segments through brachial plexus. Synonym: musculus deltoideus, deltoid. (05 Mar 2000)

Lexicographical Neighbors of Deltoid

deltaproteobacteria deltaproteobacterium deltas delthyris deltic deltidia deltidium deltidiums deltiological deltiologist

deltiologists deltiology deltohedra deltohedron deltohedrons deltoid (current term) deltoid branch deltoid crest deltoid eminence deltoid impression

deltoid leaf deltoid ligament deltoid muscle deltoid muscles deltoid region deltoid tuberosity deltoidal deltoidei deltoideopectoral triangle deltoideopectoral trigone

Literary usage of Deltoid

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"It is also an assistant to the deltoid in raising the arm, inasmuch as during the ... After the deltoid has raised the arm to a right angle with the trunk, ..."

2. Anatomy, Descriptive and Surgical by Henry Gray (1893)
"deltoid. The deep fascia covering the deltoid (deltoid aponeurosis) is a fibrous layer which covers the outer surface of the muscle, thick and strong behind ..."

3. Anatomy, Descriptive and Applied by Henry Gray (1910)
"deltoid. The deep fascia covering the deltoid invests this muscle and sends down numerous prolongations between its fasciculi. In front, it is continuous ..."

4. Holden's Manual of the dissection of the human body by Luther Holden (1893)
"The muscular bundles composing the deltoid have a pec;;! ... Action of the deltoid. It raises the arm ; but it cannot do so be\ ' an angle of ninety degrees ..."

5. Manual of Operative Surgery by John Fairbairn Binnie (1916)
"Make an incision over the anterior portion of the deltoid and parallel to its fibres. Split the muscle. Make an incision over the posterior portion of the ..."

6. Technique of Operations on the Bones, Joints, Muscles and Tendons by Robert Soutter (1917)
"Operation for Paralysis of the Triceps, Transplantation of the deltoid.—When the triceps is paralyzed and the deltoid remains good, a long vertical ..."

7. The Dublin dissector or Manual of anatomy by Robert Harrison (1854)
"... beneath the skin and adipose substance is the brachial aponeurosis; this is weak and imperfect in some situations as on the deltoid muscle; in others it ..."

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