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
- (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
- ptiloses
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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