n
(pathology) A skin sign often associated with insulin resistance and type 2 diabetes exhibiting velvety, thickened, and darkened skin and skin tags, often occurring in skin folds and the axillae.
n
Absence of normal skin pigmentation (from bruising, stress or disease); pallor or achromia.
n
(pathology) achromia, albinism
n
(medicine) Absence of pigmentation, especially in the skin or blood
n
(pathology) A lack of pigmentation in the skin
n
The absence (or loss) of pigmentation in the hair.
n
A form of pigmentation that is only present on the limbs, ears and tails of some cats or rabbits
n
(rare) abnormal bluish pigmentation in fish, caused by lack of guanine
n
Congenital lack of melanin pigmentation in the skin, eyes, and hair or feathers (or more rarely only in the eyes); the condition of being albino.
adj
Congenitally lacking melanin pigmentation in the skin, eyes, and hair or feathers (or more rarely only in the eyes); born with albinism.
n
The condition of being albinoid.
n
congenital lack of melanin pigmentation in the skin, eyes, and hair or feathers (or more rarely only in the eyes); the condition of being albino
adj
Affected with albinism.
n
(pathology) A change in the colour of skin or hair.
n
An oxidised form of the pigment melanin present in some plants such as black oat
n
(pathology) A lack of melanin pigmentation
adj
Of, pertaining to, or affected by amelanosis or amelanism
n
(botany) The formation of red pigments (such as anthocyanin) as a symptom of disease
n
(botany) A purple discolouration of flowers (due to a virus)
adj
Relating to, or affected by, anthocyanosis.
n
(dermatology) A condition caused by excessive exposure to chemical compounds of the element silver, or to silver dust, the most dramatic symptom of which being that the skin turns purple or purple-grey.
n
(pathology) silver poisoning
n
melanin extracted from a biological source (such as chicken feathers) for use in sunscreens etc.
n
(dated) Addison's disease
n
Yellowish skin coloration caused by carotene.
n
A yellow colouration of the skin due to the presence of carotenoids
n
(medicine) melasma; a cutaneous condition with yellow or yellowish-brown pigmented spots
n
(pathology) Synonym of chlorosis
adj
(botany) Affected with chlorosis
adj
Of, pertaining to, or afflicted with chlorosis, anaemic.
n
Excessive pigmentation of tissue that normally is pigmented.
n
(pathology) A pigmentation of the skin following contact with gold salts
n
(medicine) Skin color, noted as normal, jaundiced, cyanotic, flush, mottled, pale, or ashen as part of the skin signs assessment.
adj
(pathology) Afflicted with cyanosis.
n
(pathology) A blue discolouration of the skin due to the circulation of blood low in oxygen.
n
Alternative form of cytokeratin [Any of several forms of keratin found in the intracytoplasmic cytoskeleton of epithelial tissue.]
n
The removal (or reduction of the amount) of melanin in the skin
n
(pathology) The loss of the skin's normal pigmentation
n
Synonym of micropigmentation
n
(pathology) Anomalous skin pigmentation (genodermatosis) characterised by irregular hyperpigmented and hypopigmented macules
n
Abnormal alteration of the color of the skin or nails.
n
(pathology) Any disorder affecting the pigmentation of the skin, hair or nails.
n
An abnormal pigmentation, typically of the skin
n
(pathology) A rare skin condition characterized by ash-grey hyperpigmented macules.
n
Alternative form of erythroedema
n
(biology) Abnormal red colouration.
n
Redness in the eyeballs.
n
(pathology) A blueish-red discolouration of the skin caused by exposure to cold
n
(pathology) A skin condition characterised by redness and thickened skin
n
(pathology) A lesion that is red and white in colour
n
A dark brown pigment related to melanin
n
(medicine) The formation of eumelanin.
n
(biochemistry) The formation of the amount of melanin in the skin that is appropriate for the environment
v
To cause, or to undergo eumelanization
n
The production of the normal quantity of melanin in the skin.
n
A brownish-black melanosome.
n
(countable) A lipid that is solid at room temperature, which fat tissue contains and which is also found in the blood circulation; sometimes, a refined substance chemically resembling such naturally occurring lipids.
n
pigmentation of fibrous tissue (typically feathers)
n
(archaic, medicine) chloroma
n
(pathology) A bluish colouration of the skin that is a symptom of Spanish influenza
n
(pathology, rare) A condition in which multiple hematomas are present on the body.
n
A hemotrophic mycoplasma
n
Any siderophage found in blood
n
A black pigment found in tumours of horses.
n
(dermatology) Excessive and increased hair growth in locations where terminal hair is normally minimal or absent.
n
(medicine, ophthalmology) The anatomical state in which the same pigmentation or coloring occurs in the eyes, skin or hair.
adj
Showing excessive calcification.
n
(pathology) A hyperchromatic state of the nucleus, suggesting malignancy.
n
(pathology) An elevated level of chromatin in the skin
n
(medicine) Macular darkening of the skin.
n
(pathology) Excessive cornification
adj
(pathology) Marked by severe cyanosis.
n
Alternative form of hyperkeratinization [A disorder of the cells lining the inside of a hair follicle, where the normal desquamation process is interrupted by an excess of keratin, causing dead skin cells to bond together and cause blockage.]
n
(pathology) Excess keratin formation on the skin surface, as can be seen in a number of dermatologic conditions.
n
(pathology) An excess of melanin in the skin
n
An elevated amount of melanization
n
(pathology) Excessive melanosis.
n
Excessive orthokeratosis
n
The darkening of an area of skin or nails, caused by increased melanin
adj
Afflicted with hyperpigmentation.
n
The condition of being hypomelanistic
adj
Having less than the normal amount of melanin pigment in the skin.
adj
Exhibiting or relating to hypomelanosis.
n
Abnormally reduced pigmentation.
adj
(medicine) Jaundiced (having icterus); having yellowing of the skin, mucous membranes of the sclerae of the eyes, or other parts of the body.
adj
Alternative form of icteritious [yellow; jaundiced]
adj
(pathology) Characterised by jaundice and hemorrhage
n
A yellowish appearance in plants.
n
Alternative form of iridophore [(histology) iridocyte]
adj
(pathology) Affected with jaundice.
n
(pathology) Any disease associated with keratocytes
n
(zoology, pathology) An animal condition in which there is partial loss of pigmentation resulting in white, pale, or patchy coloration of the skin, hair, feathers, scales or cuticle, but not the eyes (caused by a reduction in multiple types of pigment, not just melanin).
n
Alternative spelling of leukocoria [An abnormal white reflection from the retina of the eye, a medical sign for a number of conditions]
n
Synonym of hypopigmentation
n
(pathology) depigmentation of the skin
n
(medicine) A benign entity characterised by yellowish orange pigmentation of the skin, caused by the deposition of lycopene.
n
An excess of lycopene in the blood, causing discolouration of the skin.
n
(cytology) A relatively large melanophore (up to 300–500 µm)
n
(pathology) A relatively large melanosome
n
Unusual or uncharacteristic pigmentation
n
(pathology) Synonym of melasma
adj
Having or relating to melanaemia.
adj
(soil science) Melanocratic.
n
(biochemistry) Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers.
n
(medicine) The formation of melanin.
n
Alternative form of melanization [(biochemistry) Conversion into melanin, or an increase in the concentration of melanin within (a tissue or organism)]
n
Congenital excess of melanin pigmentation in the skin, hair, feathers and/or eyes.
n
An individual who exhibits melanism
n
(biochemistry) Conversion into melanin, or an increase in the concentration of melanin within (a tissue or organism)
adj
(of skin) Having sufficient melanin to protect against damage by sunlight
adj
(of skin) Having insufficient melanin to protect against damage by sunlight
n
(medicine, biochemistry, cytology) A cell in the skin that produces the pigment melanin.
n
(medicine) The presence of an excessive number of melanocytes.
n
(pathology) An unusual darkening of the skin
n
(biology) A fibril that contains melanin
n
A coil of melanin that develops into a melanotubule and finally a melanosome
n
A chromogen in urine which is converted into melanin.
n
(biochemistry) The production of melanin in human skin
adj
Relating to, or afflicted with, melanosis.
n
A leucophore arising from a melanophore.
n
A form of melanosome that contains lipofuscin
n
An aggregate of macrophages, containing melanin, found in some fish
n
(medicine) A black or brown pigmentation of the nail plate.
n
A phagocyte that engulfs melanin
n
(cytology) The phagosome of a melanocyte
n
The loss (by "eating away") of melanin
n
(biology) A cell containing melanin or other black pigment, such as are found in fish, amphibians, and reptiles
adj
Affected with melanosis.
n
(pathology) The morbid deposition of black matter, often of a malignant character, causing pigmented tumours.
n
The condition of being melanous; darkness of complexion.
n
(biology) Any organelle that contains melanin.
n
A spherical aggregate of cells in a melanoma
adv
With regard to melanosis
adj
That promotes the formation of melanin
n
A tubule, formed from thickened melanofilaments, that develops into a melanosome.
adj
Relating to melanuria.
n
(pathology) A tan or dark skin discoloration, particularly common in pregnant women, thought to be caused by the stimulation of melanocytes by estrogen and progesterone.
n
A slimy substance that covers the rootcap in plants. It is a highly hydrated polysaccharide.
n
bacteriostasis in mycobacteria
n
Alternative form of nevomelanocyte [One of the melanocytes making up a nevus.]
n
A dark pigment present in parts of the brain
n
One of the melanocytes making up a nevus.
n
(medicine, pharmacology) Abnormal brown pigmentation of tissue (especially cartilage and ligaments), specifically that resulting from the accumulation of a melanin-like pigment derived from homogentisic acid in the metabolic disorder alkaptonuria.
n
(pathology) Any disease associated with parakeratocytes
n
(pathology) A disease characterised by skin lesions and mental confusion, primarily caused by a niacin deficiency.
n
A relatively mild form of melanism.
n
Alternative spelling of pheomelanin [A brown pigment produced by melanocytes]
n
Alternative spelling of pheomelanosome [A reddish-brown melanosome.]
n
A brown pigment produced by melanocytes
n
(biology) The formation of pheomelanin by living cells
n
A reddish-brown melanosome.
n
A black, inert, carbonaceous material that lacks nitrogen, probably derived from catechol, that forms a crust-like covering on some seeds.
n
(botany) A hard, black material that forms a crust on the surface of some seeds
n
The decrease or absence of melanin in head hair, eyebrows, or eyelashes.
n
A genetic disorder resulting in irregular or excessive coloration of the skin.
n
A non-pigmented vesicle, in a melanocyte, that develops into a melanosome
adj
That promotes the formation of melanin
adj
Promoting the production of melanin.
adj
That promotes the formation of melanosomes
n
A defect in the pigmentation of animals
n
A medical condition that resembles jaundice but is not in fact jaundice, such as hypercarotenemia which can also cause yellow skin.
n
The production of pyomelanin
adj
Relating to siderosis.
n
the hypothetical reduction of fat from a specific region of the body
n
An unusual disease that broke out in Spain in 1981, resembling a lung infection but unaffected by antibiotics, caused by the consumption of imported rapeseed oil, intended for industrial use, that had been sold as olive oil.
n
(dermatology) The patchy loss of skin pigmentation.
n
(pathology) The occurrence of yellow skin
adj
Relating to, or exhibiting, xanthinuria.
n
(pathology) A condition characterized by yellow patches on the skin
n
(pathology) xanthochromia
n
abnormal yellow pigmentation in fish, caused by lack of melanin
n
(pathology) A yellowish discolouration of tissues undergoing degeneration.
n
A dehydrated form of stomatocytosis.
n
(physiological chemistry) A pigment giving the black color to the feathers of many birds.
n
(physiological chemistry) Alternative spelling of zoomelanin [(physiological chemistry) A pigment giving the black color to the feathers of many birds.]
Note: Concept clusters like the one above are an experimental OneLook
feature. We've grouped words and phrases into thousands of clusters
based on a statistical analysis of how they are used in writing. Some
of the words and concepts may be vulgar or offensive. The names of the
clusters were written automatically and may not precisely describe
every word within the cluster; furthermore, the clusters may be
missing some entries that you'd normally associate with their
names. Click on a word to look it up on OneLook.
Our daily word games Threepeat and Compound Your Joy are going strong. Bookmark and enjoy!
Today's secret word is 7 letters and means "Relating to marshes or swamps." Can you find it?