64 results found

Search Results for: pigmentation

Arsenic pigmentation

Arsenic pigmentation generalised but spotty increased melanin pigmentation of the skin in chronic arsenic... Read More

Pigmentation

pigmentation 1. The deposition of colouring matter, the colouration or discolouration of a part by pigment. 2. Colouration,... Read More

Skin pigmentation

skin pigmentation Colouration of the... Read More

Oculocutaneous albinism

Definition noun A type of albinism in which both the eyes and the skin are affected resulting in photosensitive, reddish... Read More

Ancient DNA reveals that some Neanderthals were redheads

Neanderthals' pigmentation possibly as varied as humans', scientists say CAMBRIDGE, Mass. -- Ancient DNA retrieved from the... Read More

Spatial mosaic evolution of snail defensive traits

Research article Spatial mosaic evolution of snail defensive traits Steven G Johnson1, C Darrin Hulsey2 and Francisco J... Read More

Evolution of pigment synthesis pathways by gene and genome duplication in fish

Evolution of pigment synthesis pathways by gene and genome duplication in fish Ingo Braasch1, Manfred Schartl1 and... Read More

Hypomelanism

Definition noun A condition in which there is a partial lack of the melanin, thus, a reduced... Read More

Albinism

Definition noun A hereditary, congenital disorder characterized by the complete or partial lack of pigmentation production... Read More

Eumelanin

Definition noun An aggregate of pigment molecules, each made up of cross-linked 5,6-dihydroxyindole (DHI) and... Read More

photobiology

Photobiology Definition Photobiology, the biology of light, is a subdiscipline in biology. It focuses on the effects of... Read More

Amelanism

Definition noun A condition characterized by the complete lack of pigments (or melanin) Supplement Melanin is a compound... Read More

Wisconsin Scientists Find Portal To Show Animals Evolve

        Like butterflies, different species of fruit flies decorate their wings with... Read More

Independent variable

Independent Variable Definition To define independent variable, let us first understand what a variable is. The word... Read More

Basal layer

Definition noun (1) The innermost layer of the epidermis made up of basal or germinative cells capable of proliferating by... Read More

Argyrol

Argyrol --> mild silver protein a complex prepared by the reaction of silver oxide with either gelatin or serum albumin.... Read More

Fibrous dysplasia

Fibrous dysplasia a condition of cystic bone growth that results from abnormal bone development. May occur with bone... Read More

Melanophore

Definition noun, plural: melanophores A type of pigment cell that, in particular, produce and store... Read More

Haemochromatosis

Haemochromatosis (Science: haematology) a rare genetic disease that results in the over abundance of iron in the body... Read More

Morbus addisonii

morbus Addisonii --> chronic adrenocortical insufficiency adrenocortical insufficiency usually as the result of idiopathic... Read More

Silvol

silvol --> mild silver protein A complex prepared by the reaction of silver oxide with either gelatin or serum albumin.... Read More

Nothing but skin and bone

Abstract Skin and bone — what comes to mind at hearing this phrase? While certainly a metaphor for disease, it also... Read More

Achromia

Achromia 1. Depigmentation; absence, or loss of natural pigmentation of the skin and iris; may be congenital or... Read More

Achromia parasitica

Achromia parasitica a phase of lessening or absence of pigmentation in cutaneous lesions, caused by the fungus Malassezia... Read More

Glucocerebrosidase deficiency

Glucocerebrosidase deficiency causes gauchers disease (type 1), a progressive genetic disease due to an enzyme defect. The... Read More

Melanism

Definition noun The condition wherein an unusually high amount of melanin is produced and deposited resulting in the dark... Read More

Thermus aquaticus

Definition Noun A gram-negative thermophilic bacterium involved in the process known as the polymerase chain reaction, a... Read More

Neisseria cinerea

Definition Noun A gram-negative nonmotile diplococcus and non-spore forming bacterium associated with nosocomial human... Read More

Pheomelanin

Definition noun A type of melanin pigment that is made up of benzothiazine units and is responsible for yellow and pink to... Read More

Chromatophore

Definition noun, plural: chromatophores A pigment-containing cell or light-reflecting structure, especially found in fish,... Read More

Albino

Definition noun, plural: albaninos An organism with albinism, which is a condition characterized mainly by a lack of or an... Read More

Melanogenesis

Definition noun The process of producing melanin Supplement Melanogenesis is the process of melanin production. Melanocytes... Read More

Gauchers disease type 1

Gauchers disease, type 1 a progressive genetic disease caused by a defect in an enzyme. The enzyme, called... Read More

Neuromelanin

Definition noun A type of melanin pigment present in parts of the brain, particularly in the neurons of substantia nigra and... Read More

Myomelanosis

myomelanosis abnormal dark pigmentation of muscular tissue. See: melanosis. Origin: myo-- G. Melanosis, becoming... Read More

Skin physiology

skin physiology The functions of the skin in the human and animal body. It includes the pigmentation of the skin and its... Read More

Jefferson Scientists Use Gene Repair Technique To Change Albino Mice Hairs To Black

The technique may someday be used in treating inherited disease Researchers at Jefferson Medical College have used an... Read More

K-state professors discover enzyme responsible for creation of a beetle’s hard shell

MANHATTAN -- Kansas State University researchers think their discovery of the enzyme involved in the hardening of a... Read More

Scientists Find Clue To Blindness In Cavefish

In dark pools in Mexican caves, the blind cavefish survives just fine without eyesight, finding food in an environment of... Read More