Connective tissues

connective tissue functions

protect, support, bind

types of connective tissue

1. connective tissue proper

2. cartilage

3. bone

4. blood

types of muscle tissue

1. skeletal muscle

2. cardiac muscle

3. smooth muscle

connective tissue characteristics

1. rich blood supply

2. composed of many cell types

3. extracellular matrix

label left

1. macrophage

2. fibroblast

3. lymphocyte

4. fat cell

5. mast cell

6. neutrophil

label right

1. extracellular matrix

2. ground substance

3. fibers

4. collagen fiber

5. elastic fiber

6. reticular fiber

name

embryonic connective tissue: mesenchyme

description

embryonic connective tissue: mesenchyme- gel-like ground substance, star-shaped

function

embryonic connective tissue: mesenchyme- gives rise to all other connective tissue types

location

embryonic connective tissue: mesenchyme- embryo

label

1. fibers

2. ground substance

3. mesenchymal cell

name

connective tissue porper: loose connective tissue, areolar

description

connective tissue proper: loose connective tissue, areolar- gel-like matrix, three fiber types

function

connective tissue proper: loose connective tissue, areolar- wraps and cushions organ, role in inflammation

location

connective tissue proper: loose connective tissue, areolar- under epithelia, surrounds capillaries

label

1. collagen fibers

2. fibroblast nuclei

3. elastic fibers

name

connective tissue proper: loose connective tissue, adipose

description

connective tissue proper: loose connective tissue, adipose- matrix as in areolar, closely packed, nucleus pushed to side

function

connective tissue proper: loose connective tissue, adipose- reserve fuel, insulation, supports and protects organs

location

connective tissue proper: loose connective tissue, adipose- under skin, breast, abdomen

label

1. vacuole containing fat droplet

2. nuclei of fat cell

name

connective tissue proper: loose connective tissue, reticular

description

connective tissue proper: loose connective tissue, reticular- network of reticular fibers in loose ground substance

function

connective tissue proper: loose connective tissue, reticular- form soft internal skeleton, supports other cells

location

connective tissue proper: loose connective tissue, reticular- lymph nodes, bone marrow, spleen

name

connective tissue proper: dense connective tissue, dense regular

description

connective tissue proper: dense connective tissue, dense regular- fibroblasts, parallel collagen fibers, few elastic fibers

function

connective tissue proper: dense connective tissue, dense regular- attaches muscles to bones or mucles, bone to bone, withstand stress

location

connective tissue proper: dense connective tissue, dense regular- tendons, most ligaments

label

1. collagen fibers

2. nuclei of fibroblasts

name

connective tissue proper: dense connective tissue, dense irregular

descirption

connective tissue proper: dense connective tissue, dense irregular- irregularly arranged collagen fibers

function

connective tissue proper: dense connective tissue, dense irregular- withstand tension in many different directions, structural strength

location

connective tissue proper: dense connective tissue, dense irregular- fibrous capsules of organs, dermis, submucosa of digestive track

label

1. nuclei of fibroblasts

2. collagen fibers

name

connective tissue proper: dense connective tissue, elastic

description

high proportion of elastic fibers

function

connective tissue proper: dense connective tissue, elastic- recoil of tissue after stretch, flow of blood through arteries

location

connective tissue proper: dense connective tissue, elastic- walls of large arteries, walls of bronchial tubes

label

elastic fibers

name

cartilage: hyaline

description

hyaline cartilage- amorphous but firm matrix, imperceptible network

function

hyaline cartilage- supports and reinforces, resilient cushion

location

hyaline cartilage: embryonic skeleton, cover ends of long bones in join cavities

label

1. chondrocyte in lacuna

2. matrix

name

cartilage: elastic

description

elastic cartilage- similar to hyaline, more elastic fibers in matrix

function

elastic cartilage- maintain shape with flexibility

location

elastic cartilage- external ear, epiglottis

label

1. chondrocyte in lacuna

2. matrix

name

cartilage: fibrocartilage

description

fibrocartilage cartilage- matrix similar but less firm than hylaline, predominate thick collagen fibers

function

fibrocartilage cartilage- tensile strength, absorb compressive shock

location

fibrocartilage cartilage- intervertebral discs; disc of knee joint

label

1. chondrocytes in lacunae

2. collagen fiber

name

connective tissue: bone

description

connective tissue: bone- hard, calcified matrix, many collagen fibers

function

connective tissue: bone- support and protect, stores calcium and fats and other minerals, blood cell formation

location

connective tissue: bones- bones

label

1. central canal

2. lacunae

3. lamella

name

connective tissue: blood

description

connective tissue: blood- red and white blood cells in fluid matrix

function

connective tissue: blood- transport of respiratory gases, nutrient, wastes

location

connective tissue: blood- blood vessles

label

1. plasma

2. neutrophil

3. red blood cells

4. lymphocyte