Hesi A2-Histology, Cell, Mitosis/Meiosis and Skin
study of tissue
a group of cells that act together to perform a certain function.
What are the 4 tissues?
epithelial, connective, nerve and muscle
Covers, lines and protect the body of its internal organs
framework of the body, providing support and structure of the organs.
Composed of neurons and connective tissue cells that are referred to as neurolgia.
Contract or shorten
Muscle tissue is classified as
smooth and cardiac
Basic unit of life
What are the levels of organization?
chemical, cellular, tissue, organ, organ, system organism
Control center of the cell. DNA
Packages, process and ship
Control what goes in/out
Duplicate and Distribute replacing cells necessary for growth and repair.
Where does Meiosis take place?
What are the layers of the skin?
Epidermis, dermis and hypodermis
What are the 5 layers of the epidermis from the outer layer to the inner layer?
stratum-corneum, lucidum, granulosum, spinosum and basale.
Where does mitosis occur in the epidermis?
stratum basale and stratum spinosum
Cell division chromosomes reduce from 46 to 23.