horn

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horn

 [horn]
1. a pointed projection such as the paired processes on the head of various animals, or other structure resembling them in shape.
2. an excrescence or projection shaped like the horn of an animal.
anterior horn of spinal cord the horn-shaped configuration presented by the anterior column of the spinal cord in transverse section; called also ventral horn of spinal cord.
cicatricial horn a hard, dry outgrowth from a scar, often scaly and occasionally osseous.
dorsal horn of spinal cord posterior horn of spinal cord.
lateral horn of spinal cord the horn-shaped configuration presented by the lateral column of the spinal cord in transverse section.
posterior horn of spinal cord the horn-shaped configuration presented by the posterior column of the spinal cord in transverse section; called also dorsal horn of spinal cord.
sebaceous horn a hard outgrowth of the contents of a sebaceous cyst.
ventral horn of spinal cord anterior horn of spinal cord.
warty horn a hard, pointed outgrowth of a wart.

horn

(hōrn), [TA]
Any structure resembling a horn in shape.
Synonym(s): cornu (1)
[A.S.]

horn

(hôrn)
n.
1. One of the hard, usually permanent structures projecting from the head of certain mammals, such as cattle, sheep, goats, or antelopes, consisting of a bony core covered with a sheath of keratinous material.
2. A hard protuberance, such as an antler or projection on the head of a giraffe or rhinoceros, that is similar to or suggestive of a horn.
3.
a. The hard smooth keratinous material forming the outer covering of the horns of cattle or related animals.
b. A natural or synthetic substance resembling this material.

horn adj.
horn′ist n.

horn

(hōrn) [TA]
1. A hard projection; consisting largely of compact keratin, tapering to a point, usually paired, on the head of certain mammals.
2. Any structure resembling a horn in shape.
Synonym(s): cornu (1) .
[A.S.]

horn

A rare, age-related local overgrowth of the horny layer of the skin so that a short, cylindrical, horn-like protrusion occurs. Cutaneous horns are easily removed but the base may be found to be cancerous.

horn

(hōrn) [TA]
Any structure resembling a horn in shape.
Synonym(s): cornu (1) .
[A.S.]
References in periodicals archive ?
Berggren, "Shape optimization of an acoustic horn," Computer Methods Applied Mechanics and Engineering, vol.
Lee, "Design and construction of an acoustic horn for high power ultrasonic transducers," pp.
Caption: FIGURE 5: Acoustic horn installation way on the split MRI system: (a) 3D line structure of the split MRI system with acoustic horns, (b) 3D meshed split MRI system with acoustic horns (1/4 model), and (c) 2D meshed split MRI system with acoustic horns.