ANA101 - Body Tissues: Connective

________________ are found everywhere in the body to connect body parts. It includes the most abundant and widely distributed tissues

Connective tissues

What are the functions of connective tissues?

1. _______________

2. _______________

3. _______________

1. Protection

2. Support

3. Binding

What are the characteristics of connective tissue?

1. ___________________

2. ___________________

1. Variations in blood supply

2. Extracellular matrix

What are the 2 main elements of the extracellular matrix?

1. ___________________

2. ___________________

1. Ground substance

2. Fibers

______________________ are mostly water, along with adhesion proteins and polysaccharide molecules

ground substance

What are the different types of fibers?

1. ___________________

2. ___________________

3. ___________________

1. Collagen (white) fibers

2. Elastic (yellow) fibers

3. Reticular fibers

What are the types of connective tissue from most rigid to softest?

1. ______________

2. ______________

3. ______________

4. ______________

5. ______________

1. Bone

2. Cartilage

3. Dense connective tissue

4. Loose connective tissue

5. Blood

The _____________ functions to protect and support the body

bone

The bone is composed of:

• ______________________

• ______________________

• ______________________

• Osteocytes

• Hard matrix of calcium fibers

• Large numbers of collagen fibers

________________ is less hard and more flexible than bone. It is found in only a few places in the body. The ____________ is a major cell type

Cartilage

chondrocyte

What are the types of cartilage?

• __________________

• __________________

• __________________

• Hyaline cartilage

• Fibrocartilage

• Elastic cartilage

__________________ is the mot widespread type of cartilage. Its abundant collagen fibers are hidden by a glassy rubbery matrix

Hyaline cartilage

What are the locations of hyaline cartilage?

• ___________________

• ___________________

• ___________________

• ___________________

• ___________________

• Trachea

• Attaches ribs to the breastbone

• Covers ends of long bones

• Entire fetal skeleton prior to birth

• Epiphyseal plates in long bones

________________ provides elasticity. Its location supports the _________________

Elastic cartilage

external ear

_________________ is highly compressible. Its location forms __________________ between the ______________ of the spinal column

Fibrocartilage

cushion-like discs

vertebrae

The main matrix element of _______________________ is collagen fiber.

dense fibrous connective tissue

The main matrix element for dense fibrous connective tissue is _______________

collagen fiber

____________ are cells that make fibers

fibroblasts

What are the locations of dense fibrous connective tissue?

1. ________________________

2. ________________________

3. ________________________

1. tendons

2. ligaments

3. dermis

___________________ attach skeletal muscle to bone

tendons

_________________ attach bone to bone at joins and are more elastic than tendons

ligaments

_____________ are the lower layers of the skin

dermis

The ___________________ is most widely distributed connective tissue. It is soft, pliable tissue like cobwebs. It functions as a ______________________ and ________ to hold organs in place

Areolar connective tissue

universal packing tissue

glue

The layer of areolar tissue called ____________ underlies all membranes

lamina propria

All fiber types form a _________ network

loose

_________________________ is an areolar tissue in which adipose cells dominate

Adipose conective tissue

What are the functions of adipose connective tissue?

• _______________________

• _______________________

• _______________________

• Insulates the body

• Protects some organs

• Serves as a site of fuel storage

What are the locations of Adipose connective tissue?

• ______________________

• ______________________

• ______________________

• subcutaneous tissue beneath the skin

• protects organs

• fat “depots” include hips, breasts, and belly

_________________________ is a delicate network of interwoven fibers with reticular cells. It forms stroma of organs.

Reticular connective tissue

What are the locations of reticular connective tissue?

• ___________________

• ___________________

• ___________________

• Lymph nodes

• Spleen

• Bone marrow

___________________ are surrounded by fluid matrix known as blood plasma

blood cells

Blood cells are surrounded by fluid matrix known as ________________

blood plasma

Soluble fibers are visible only during ________________

clotting

The _____________ functions as the transport vehicle for the cardiovascular system

blood

The blood functions as the transport vehicle for the cardiovascular system, carrying:

• __________________

• __________________

• __________________

• Nutrients

• Wastes

• Respiratory gases