ptilosis
ptilosis noun: the appearance or study of feathers on a bird, including factors such as their texture or shape.
Noun
ptilosis (usually uncountable, plural ptiloses)
- The appearance or study of feathers on a bird, including factors such as their texture or shape.
- Pterylography must be based on the distribution of the follicles, for the ptilosis as seen externally does not reflect the actual pterylosis.2013, Donald S. Farner, Avian Biology, volume 2, page 31
- Loss of the eyelashes, due to ulceration or other damage to the follicles.
- The state of the lid, when deprived of the eyelashes, has been called ptilosis or alopecia ; the effect of the removal is very inconsiderable, and unless you look closely to the lid of a person of light hair, you can hardly distinguish whether the eyelashes are wanting or not.1826, The Lancet - Volume 10, page 323
- 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.1836, London Medical and Surgical Journal - Volumes 8-9, page 677
ptilosis meaning in Tamil
ptilosis in Tamil
- இமை முடி உதிர்வு
Examples of ptilosis in a sentence
- 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.1843, Sir William Lawrence, Isaac Hays, A Treatise on the Diseases of the Eye, page 124:
- There may be ulceration and notching (ptilosis) of the lid margin (Figure 1.3).2012, Kenneth C. Chern, Michael A. Saidel, Ophthalmology Review Manual, →ISBN:
Forms of ptilosis
| plural | ptiloses |
|---|
Origin of ptilosis
Borrowed from New Latin ptilōsis, from the Ancient Greek πτῐ́λωσῐς (ptĭ́lōsĭs).
Words formed from ptilosis
Questions about ptilosis
- What does ptilosis mean?
- Ptilosis means the appearance or study of feathers on a bird, including factors such as their texture or shape.
- What is ptilosis in Tamil?
- Ptilosis in Tamil is இமை முடி உதிர்வு. See Ptilosis meaning in Tamil.
- How do you use ptilosis in a sentence?
- 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.
- What part of speech is ptilosis?
- Ptilosis is a noun.
- What is the plural of ptilosis?
- The plural of ptilosis is ptiloses.
Words near ptilosis in the dictionary
Source and license
Adapted from Wiktionary: ptilosis (page history and authors); ptilosis (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “ptilosis.” Word.ws, https://word.ws/ptilosis. Based on Wiktionary, CC BY-SA 4.0.