ENGLISH DICTIONARY

Ptilosis

Definition, Meaning & Examples

Part of speech noun

Quick meaning: Ptilosis is a noun meaning (ornithology) The appearance or study of feathers on a bird, including factors such as their texture or shape.

Meaning

(ornithology) The appearance or study of feathers on a bird, including factors such as their texture or shape.

More Meanings

  1. (medicine) Loss of the eyelashes, due to ulceration or other damage to the follicles.

Example Sentences

There may be ulceration and notching (ptilosis) of the lid margin (Figure 1.3).
Pterylography must be based on the distribution of the follicles, for the ptilosis as seen externally does not reflect the actual pterylosis.
This is an aggravated form of the last disease, and presents ulceration and induration of the edges of the eye: lids, so as to cause the cilia, or lashes to fall out—ptilosis.
Loss of the eye-lashes, (ptilosis, madarosis, alopecia.) -- Destruction of the bulbs by ulceration or by injury causes permanent loss of the cilia, which may be either total or partial.

Word Forms

Related Words

Related dictionary entries include pterylosis, pterolysis, pteryla, ptiloerection, plumage, ptilochronology.

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Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

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