Unit 2: Histology - Study Guide Know these things: The four basic tissue types Distinguishing characteristics of epithelial tissues How epithelial tissues are classified & named Pay attention to special characteristics of transitional & pseudostratified epithelial tissues Glands – if branched or unbranched (simple/compound) and their shape (tubular/acinar) Be able to describe the characteristics of endocrine & exocrine glands (this will be a short answer question on the test). Ducts, where substances are secreted, what type of substance, and how exocrine glands are classified.) Characteristics of connective tissue Major components of extracellular matrix of connective tissue Functional characteristics of blood, bone, & all three cartilage types (fluid, strong & rigid, recoils…) Know the three muscle types & how to tell them apart Mediators of inflammation (there are two) Results of mediators of inflammation (vasodilation of blood vessels, etc.) Major symptoms of inflammation Replacement vs. regeneration of cells The type of tissue that first replaces a clot during tissue repair The purpose of stratification The difference between merocrine, apocrine, & holocrine exocrine glands Function of goblet cells Main function of simple squamous epithelium What type of epithelial tissues would be found: Urinary bladder lining of small intestine alveoli of lungs outer layer of skin kidney tubules What type of connective tissue is found: External ear Tissue beneath skin Tendons & ligaments Shock-absorption in knees, between Covering ends of bones at joints vertebrae Vocal cords Functions of cell connections: desmosomes, hemidesmosomes, gap junctions, tight junctions What these cell types do: clast, blast, & cyte, mast cells, macrophages Functions of fiber types: reticular, elastic, collagen The difference between labile, stable, & permanent cell types (regarding division) Be able to draw a neuron & label it (soma, dendrites, axon, nucleus , and which way an action potential flows through it ). The two types of phagocytic cells involved in tissue repair - macrophages & neutrophils (WBC) Heavy smoking damages the ciliated cells in the trachea – what would happen if cells that replace the damaged ones do not have cilia? (Buildup of mucus & foreign particles resulting in increased coughing).