Answer to Question 1
Cytotoxic T cells attack and destroy body cells infected with viruses or intracellular bacteria. They can also attach cancer cells. Delayed hypersensitivity cells respond to foreign antigens processed by macrophages or similar cells by accumulating at the site of the antigenic material, where they secrete a variety of lymphokines that attract macrophages, activate them, and stimulate them to secrete additional cytokines.
Answer to Question 2
Hyperplasia: increase in cell size with an increase in cell number
Hypertrophy: increase in cell size without an increase in cell number
Four types of cellular responses to positional information in animals.
Types of Fractures
Madin-Darby canine kidney (MDCK) cells grown in specialized containers provide a
Types and locations of epithelial tissues.
Summary of T-Cell Types
Types of wind deposits