Simple Squamous Epithelium
Simple Cuboidal Epithelium
Simple Columnar Epithelium
Pseudostratified Columnar Epithelium
Stratified Squamous Epithelium
Stratified Cuboidal Epithelium
Stratified Columnar Epithelium
Loose Connective Tissue
Dense Connective Tissue
the study of tissues
similar cells that are specialized to carry out a particular function
What are 4 types of tissue
1. Epithelial Tissue
2. Connective Tissue
3. Muscle Tissue
4. Nervous tissue
What are three general characteristic of epithelial tissue?
1. tightly packed with little matrix
2. readily divide
3. cover body surfaces and line internal organs
Does epithelial tissue contain blood vessels?
No, epithelial tissue receives nourishment from underlying connective tissues
What is the basement membrane?
layer that anchors epithelial tissue to underlying tissues
What are the 5 functions of epithelial tissue?
Where is simple squamous epithelium found in the body?
Air sacs of lungs and walls of capillaries
Where is psuedostratified columnar epithelium found in the body?
linings of respiratory passages
What is the function of stratified squamous epithelium?
Where is stratified squamous epithelium found in the body?
Where is transitional epithelium found in the body?
prevent physical injury
substance produced in and released from a gland cell
elimination of metabolic wastes
taking in of substance by cells or across membranes
movement of material through a membrane
List ten general characteristics of connective tissue.
1. binds structures 2. provides support and protection 3.fills spaces 4. stores fat 5. produce blood cells 6. defense against infections 7. help repair tissue damage 8. abundance of matrix 9. can divide 10. vascular (contains blood vessels)
nonliving material found between cells in a tissue
What are 3 components of connective tissue?
1. Specialized Cells
2. Ground Substance
3. Protein Fibers
What is ground substance?
aka matrix, noncellular or nonliving material between cells
What are 3 types of cell found in connective tissue
3. Mast Cells
What is the function of fibroblasts?
produce fibers by secreting protein
What is the function of Macrophages?
function as scavenger cells (prevent infection)
What is the function of mast cells?
release of heparin and histamine (aids in tissue repair)
What are three types of fibers in connective tissue?
1. Cartilagenous Fibers
2. Elastic Fibers
Where is loose connective tissue found in the body?
beneath the skin and between muscles
What is another name for adipose tissue?
What is the function of adipose tissue?
Protects (cushions structures), stores fat, and insulates
Where is dense connective tissue found in the body?
ligaments and tendons
Where in the body is cartilage found?
nose and ears, ends of bones and joints
Which type of connective tissue has a solid matrix?
Which type of connective tissue has a liquid matrix?
What is the function of blood?
transports gases, defends against disease, clotting
What are the 6 types of connective tissue?
1. Loose Connective Tissue, 2.Adipose, 3.Dense Connective Tissue, 4.Cartilage 5. Bone 6. Blood
What are two general characteristics of muscle tissue?
elongated cells and contractile
What are the 3 type of muscle tissue
1. Skeletal Muscle
2. Smooth Muscle
3. Cardiac Muscle
What are three general characteristic of skeletal muscle tissue?
1. long threadlike cells
3. many nuclei
Where is skeletal muscle found?
attached to bones
Is skeletal muscle controlled voluntarily or involuntarily?
What are three general characteristic of smooth muscle tissue?
1. shorter spindled shaped cells
2. single, central nucleus
3. no striations
Where is smooth muscle found?
walls of hallow internal organs (stomach, blood vessels, intestines)
Is smooth muscle controlled voluntarily or involuntarily?
What are three general characteristic of cardiac tissue?
1. branched cells
3. single nucleus
Where is cardiac muscle found?
What is the function of cardiac muscle?
What is the function of nervous tissue?
coordinate, regulate, and integrate many body functions
What are two general characteristic of nervous tissue?
1. conducts impulse
2. do not divide
What are the two types of nervous tissue?
neurons and neuroglia
What is oncology?
study of tumors
What is a tumor?
abnormal growth or mass of tissue
What are two types of tumors
Which type of tumor spreads and becomes worse?
What is metastasis?
the spreading of a tumor
Which type of tumor do not spread?
Are benign tumors harmful?
Yes, they can compress surrounding tissues and impare their function
What is cancer?
a malignant, spreading tumor and the illness that results from such a tumor
How are cancers classified?
according to the type of tissue from which it arises
cancer that arises in muscle or connective tissue
cancer of the blood
cancer that arises in the lymphoid tissue
arises in epithelial tissues
Why are carcinomas the most common kind of cancer?
the cells of these tissues have a high rate of cell division
What are causes of cancers?
smoking, over weight, viruses/bacteria, environmental toxins, heredity
Explain four kinds of cancer therapies.
1. Radiation (X-rays or lasers)
2. Surgically removing the tumor
3. Chemotherapy - drugs that kill rapidly dividing cells
4. reduce blood supply to the tumor
What is the problem with radiation?
it kills healthy cells along with cancer cells
What are problems with chemotherapy?
drug also kills other fast growing tissues in the bone marrow (anemia) linings of intestings (nausea) stomach lining (vomiting), hair loss (emotional), dry skin and mouth