Results for “skin”

skin

In vertebrates, the thin, membranous layer of external tissue forming the protective covering of the body.

Used in 399 profiles

costiasis

Disease of freshwater fishes caused by species of parasitic flagellate protozoa from the genus Ichthyobodo and more accurately referred to as ichthyobodiosis. It attacks the gills, fins and skin with symptoms including an increase body mucus secretion giving rise to the vernacular term 'skin slime disease'. Can be treated using proprietary products but frequently fatal otherwise.

Chilonodella

Genus of unicellular, ciliated protozoa; some species are parasites of the skin and gills in freshwater fishes.

chromatophore

A pigment-containing or pigment-producing cell that can alter the colour of the skin by expanding or contracting.

Used in 12 profiles

collagen

The main constituent protein of cartilage, connective tissue, tendon, skin, and bone.

cutaneous

Of, relating to, or affecting the skin.

dermal

Of or relating to skin.

Used in 3 profiles

dermis

Innermost layer of skin containing nerve endings and blood vessels. Lies under the epidermis and also known as corium.

epidermis

The outermost, protective, non-vascular layer of skin in vertebrates.

Used in 5 profiles

ich

Common name for Ichthyophthirius multifiliis, a protozoan which infects freshwater fish. Commonly referred to as white spot due to the characteristic white nodules formed under the skin or gill tissue during the feeding stage of its life cycle.

Used in 18 profiles

integument

Outer protective covering, e.g., the skin of an organism or the membrane enclosing an organ.

Used in 1 profile

lacrimal groove

Small groove located on the lower margin of the snout, just above the upper lip, in some fishes. Formed by a fold of skin under the edge of the lacrimal bone.

leucism

Condition in which all types of skin pigment are reduced due to defects in pigment cell differentiation with the normal result a partially (often referred to as 'pied' or 'piebald'), or more rarely, completely white animal. Differs from albinism, which is caused by a lack of melanin only, in several ways, with one of the most apparent being that albino animals typically have red eyes whereas leucism does not normally affect eye colour. Pronounced, and sometimes spelled, leukism.

melanism

Abnormal extent of dark colouration in the skin, scales, hair, fur, or feathers characterised by excessive depositis of melanin. Can be considered the opposite of albinism.

naked

In ichthyology, scaleless or smooth skin.

Used in 72 profiles

pore

Small opening in a surface, especially the skin, through which gases, liquids or microscopic particles are able to pass, or through which a sensory organ obtains information.

Used in 99 profiles

pseudotympanum

Translucent, triangular area in the humeral region, behind the opercle, without muscle and where the anterior part of the gas bladder is in direct contact with the skin. It is hypothesised to function as a hearing aid in many juvenile characoids and is present in adults of certain species, notably members of the family Cheirodontidae.

Used in 2 profiles

subcutaneous

Located, used, applied, secreted, or introduced beneath the skin.

Used in 1 profile