Voabulary Quiz 4 Flashcards
Smooth muscles attached to hairs; contraction pulls the hairs into a vertical position, resulting in “goose bumps”
Arrector Pili
Characterized by or associated with a lack of blood vessels
Avascular
An examination of tissue removed from a living body to discover the presence, cause, or extent of a disease
Biopsy
Waxlike secretion produced by ceruminous glands in the external auditory meatus (ear canal). Also termed as earwax
Cerumen
The main structural protein found in animal connective tissue, yielding gelatin when boiled
Collagen
A layer of dense irregular connective tissue lying deep to the epidermis
Dermis
An elastic, fibrous glycoprotein found in connective tissue
Elastin
Any of the ridges of the epidermis of the palms and soles, where the sweatpores open. Also called skin ridge
Epidermal Ridges
The superficial, thinner layer of skin, composed of keratinized stratified squamous epithelium
Epidermis
The thin tissue forming the outer layer of a body’s surface and lining the alimentary canal and other hollow structures
Epithelium
A large, flat cell that secretes most of the extracellular matrix of areolar and dense connective tissues
Fibroblast
A small patch of light brown color on the skin, often becoming more pronounced through exposure to the sun
Freckles
An amorphous gel-like substance surrounding the cells.
Also called extrafibrillar matrix
Ground Substance
The innermost and thickest layer of the skin.
It is essentially composed of a type of cells specialised in accumulating and storing fats, known as adipocytes
Hypodermis
Lines that can be extrapolated by connecting linear openings made when a round pin is driven into the skin of a cadaver, resulting from the principal axis of orientation of the subcutaneous connective tissue (collagen) fibers of the dermis; they vary in direction with the region of the body surface
Lines of Cleavage (Tension Lines)
The material (or tissue) in animal or plant cells, in which more specialized structures are embedded, and a specific part of the mitochondrion that is the site of oxidation of organic molecules
Matrix
The molecular weight of a substance expressed in grams
Mole
An exocrine gland in the dermis of the skin, almost always associated with a hair folicle, that secretes sebum.
Also called an oil gland
Sebaceous Gland
A membrane that lines a body cavity that does not open to the exterior. The external layer of an organ formed by a serous membrane. The membrane that lines the pleural, pericardial, and peritoneal cavities.
Also called a serosa.
Serous Membrane
Internal scarring due to overstretching of the skin in which collagen fibers and blood vessels in the dermis are damaged
Stretch Mark (Striae)
An apocrine or eccrine exocrine gland in the dermis or subcutaneous layer that produces prespiration.
Also called a sweat gland
Sudoriferous Gland
The thin layer of loose fatty connective tissue underlying the skin and binding it to the parts beneath
Superficial Fascia
Of, relating to, affecting, or consisting of a vessel or vessels, especially those that carry blood
Vascular