414 results found

Search Results for: skin

Skin

Definition noun, plural: skins (anatomy) The external membranous integument of the body; the outer protective covering of... Read More

Epidermis

Epidermis Definition What is the epidermis? We can define the epidermis as one or more layers of cells forming the tough... Read More

Polygenic inheritance

Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More

Parchment skin

parchment skin parchment-like appearance of the skin caused by loss of underlying connective and elastic tissue, or by the... Read More

An introduction to Homeostasis

Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More

Color Atlas & Synopsis of Clinical Dermatology

Color Atlas & Synopsis of Clinical Dermatology     ... Read More

Permanent Tattoo Means Permanent Immune Action Of Macrophages

Have you ever wondered why a permanent tattoo seemed to last forever? A simple assumption would be is that the ink could... Read More

Endomembrane system

Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More

Dermis

Definition noun Mesodermally-derived connective tissue underlying the epithelium of the skin Supplement In humans, the skin... Read More

Melanocyte

Definition noun, plural: melanocytes A type of pigment cell that, in particular, produce melanin, and occurs in the... Read More

Peel

peel 1. To strip off the skin, bark, or rind of; to strip by drawing or tearing off the skin, bark, husks, etc.; to flay; to... Read More

Genetic Control – On and Off Genes

Reviewed by: Mary Anne Clark, Ph.D. This lesson looks at the various factors involved that affect growth and... Read More

Traumatic dermatitis

Definition noun A form of dermatitis that is caused by a physical agent or an irritant Supplement Dermatitis is a condition... Read More

Stratum lucidum

Definition noun The thin, clear layer of the epidermis comprised of keratinocytes filled with eleidin proteins, and occurs... Read More

Keratinocyte

Definition noun, plural: keratinocytes The predominant type of cell in the epidermal layer of the skin Supplement The skin... Read More

Regulation of Organic Metabolism, Growth and Energy Balance

Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More

Melanophore

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

Chickenpox

Definition noun A highly contagious air-borne disease caused by varicella zoster virus commonly affecting children and... Read More

Smooth muscle

The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More

Mosaicism

Cells often go through many divisions before they become a part of an organism’s genetic make-up. This leaves room for... Read More

Benign

Benign Definition How to define benign? The meaning of benign in a general sense is "beneficial" and "pleasant". Benign is... Read More

Polygenic trait

Polygenic Trait Definition Polygenic trait refers to a trait that is controlled by multiple non-allelic genes. These genes... Read More

Sebaceous gland

Definition noun, plural: sebaceous glands An exocrine gland secreting sebum that lubricates hair and skin Supplement A... Read More

Phenotype

Phenotype refers to the observable characteristics of an organism as a multifactorial consequence of genetic traits and... Read More

Sensible perspiration

Definition noun A form of perspiration in which the body is able to sense the watery fluid as moist on the... Read More

Sebum

Definition noun An oily substance produced and secreted by sebaceous gland Supplement Sebum is the substance produced and... Read More

Hot spot

Definition noun, plural: hot spots (1) (pathology) A superficial weeping skin lesion such as in dogs and cats caused by an... Read More

Uritis

Definition noun Inflammation of the skin as a result of the action of heat Supplement Uritis is a rarely used nowadays to... Read More

Labia

Labia Definition Often, when persons think of the female reproductive system, they think of the vagina. However, the female... Read More

Parasitism

Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More

Integumentary system

Definition noun The organ system consisting of the skin and associated structures such as the glands, hair, nails, scales,... Read More

Moisture

Definition noun (1) The presence of slight to moderate amount of liquid, especially water (2) The characteristic of being... 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

Malpighian layer

Definition noun The lower layer of epidermis consisting of non-keratinized, viable cells, in contrast to the outer (upper)... Read More

Family traits

When one thinks of family, they often think of persons who are blood-related to each other as parents to their children and... Read More

Temperature Regulation in Animals

Control of Temperature in Homeotherms Animals capable of temperature regulation within a given range are deemed homeotherms... Read More

Pyruvate

Pyruvate Definition Pyruvates have been often recognized as one of the most important molecules that are frequently... Read More

"Mummified" Dinosaur Discovered In Montana

By Hillary Mayell An onsite restoration drawing of how "Leonardo" may... Read More

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

Dense irregular connective tissue

Dense Irregular Connective Tissue Definition Dense irregular connective tissue is one of the two major types of dense... Read More