A&P Unit 2 Histology Vocab

Histo-

Histo-

prefix for “tissue”

Epi-

prefix for “on”

Myo-

prefix for “muscle”

Sacro-

Prefix for “flesh”

Basal Lamina

extracellular structures found closely apposed to the plasma membrane on the basal surface of epithelial and endothelial cells and surround muscle and fat tissues.

Lamina Propria

a highly vascular layer of connective tissue under the basement membrane lining a layer of epithelium

Fibers

one of the filaments composing most of the intercellular matrix of connective tissue

Neurons

one of the basic functional units of the nervous system: a cell specialized to transmit electrical nerve impulses and to carry information from one part of the body to the other

Neuroglia

The web of non-neural cells forming the connecting tissue that surrounds and supports neurons in the nervous system

Goblet cell

a column-shaped cell found in the respiratory and intestinal tracts, which secretes the main component of mucus.

Villi

any of the fingerlike or threadlike projections from the surface of certain membranous structures, typically serving to increase surface area and facilitate the passage of fluid or nutrients.

Adipocytes

a cell specialized for the storage of fat, found in connective tissue.

Matrix/Plasma

the extracellular substance in which tissue cells (as of connective tissue) are embedded

Enucleated

To remove the nucleus of a cell

Nucleated

having a nucleus

Chondrocyte

a cartilage cell, found embedded in the matrix.

Osteon

The structural and functional unit of compact bone, also called an Haversian system.

Lamella

a thin layer, membrane, or plate of tissue, especially in bone.

Osteocytes

a bone cell, formed when an osteoblast becomes embedded in the matrix it has secreted.

Multinucleated

Having more than one nucleus

Myocardium

the middle muscular layer of the heart wall

Stimuli

Any change in the external or internal environment of an organism that provokes a physiological or behavioral response in the organism.

-cyte

suffix for “cell”