Tissue
Group of similar cells that performs a specialized function
exocrine gland
gland that secretes its products into duct or onto an outside body surface
endocrine gland
Gland that secretes hormones directly into the blood
extracellular matrix
Molecules that fill spaces between cell consisting mostly of protein fiber networks
Fibroblasts
Cells that produce fibers in connective tissues
Macrophages
Large phagocytic cell
Mast cells
Cell to which antibodies, formed in response to allergens attach, bursting the cell and releasing allergy mediators, which cause symptoms
Ligaments
Cord of sheet of connective tissue binding two or more bones at joint
Tendons
Cordlike or band like mass of white fibrous connective tissue that connects a muscle to a bone
Chondrocytes
A cartilage cell
Osteocytes
Cylinder-shaped unit containing bone cells that surround a central canal, haversian system
Intercalated disc
Membranous boundary between cardiac muscle cells
Neurons
Nerve cells
Neuroglia
Specialized cells of the nervous system that produces myelin, communicate between cells, maintain the ionic environment, and nurture the differential of neurons
keratinization
Process by which cells from fibrils of keratin and harden
Melanin
Dark pigment, normally found in skin and hair
Eumelanin
Brown-ish black pigment
Pheomelanin
A reddish-yellow pigment
Albinism
Little to no pigment (eyes, skin, hair)
Sebum
the oily secretion of the sebaceous glands