Structural Organization Flashcards
smallest unit of living matter
cell
cell membrane
semipermeable barrier around the cell
central part of the cell that contains chromosomes (DNA)
nucleus
cytoplasm
gel-like substance holding organelles
mitochondria
provide energy = powerhouse
lysosomes
contain digestive enzymes
ribosomes
synthesize protein = protein factories
anaplasia
change in structure and orientation of cells
aplasia
without growth of organ or tissue
dysplasia
abnormal development of tissues
hyperplasia
excessive tissue
hypoplasia
underdeveloped tissue
neoplasia
new and abnormal development - benign or malignant
group of similar cells that perform common functions
tissues
connective tissue
supporting tissue - ligaments, tendons, bone, fat (adipose), cartilage, blood
epithelial tissue
line blood vessels, body cavities, glands, and organs
muscle tissue
skeletal (bone), smooth (visceral - organs) and cardiac (heart)
nervous tissue
transmits nerve impulses controlling many functions of the body
serous membrane that covers the entire abdominal wall
peritoneum
What is the study of tissue called?
histology
What is the study of cells called?
cytology
What refers to the internal organs?
visceral