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Tissues by Mind Map: Tissues

1. Stratified

1.1. Squamous

1.1.1. looks like: many layers, cells flattened

1.1.2. found in: skin, mouth, esophagus, vagina

1.1.3. functions: protects against abrasion, drying out, infection

1.2. Cuboidal

1.2.1. looks like: two or more layers of cube-shaped cells

1.2.2. found in: lines ducts of sweat glands

1.2.3. functions: secretes water and ions

1.3. Columnar

1.3.1. looks like: two or more layers of elongated cells

1.3.2. found in: lines epididymis, mammary glands, larynx

1.3.3. functions: secretes mucus

1.4. Transitional

1.4.1. looks like: many layers; when not stretched - cells are large and rounded; when stretched - cells are flatter

1.4.2. found in: bladder, ureters, urethra

1.4.3. functions: protects from organs from damaging effects of urine, stretches and enlarges organs when needed

2. Simple

2.1. Squamous

2.1.1. looks like: one layer of flattened cells

2.1.2. found in: lines air sacs, blood vessels, heart

2.1.3. functions: exchange of wastes, nutrients, and gases

2.2. Cuboidal

2.2.1. looks like: one layer of cube-shaped cells

2.2.2. found in: lines kidney tubules and ducts, ovaries

2.2.3. functions: secretes and absorbs water and small molecules

2.3. Columnar

2.3.1. looks like: one layer of elongated cells

2.3.2. found in: lines digestive organs

2.3.3. functions: absorbs nutrients, produces mucus

2.4. Pseudostratified columnar

2.4.1. looks like: single layer, nuclei are even which gives layered appearance, can have goblet cells, have cilia about it

2.4.2. found in: lines air passages, tubes of reproductive system

2.4.3. functions: protection, secretion, movement of mucus and sex cells

3. Epithelial

4. Connective

4.1. Hyaline Cartilage

4.1.1. looks like: just a bunch of chondrocytes (look like oval cells) with space inbetween

4.1.2. location: covers ends of joints and nose, respiratory passages

4.1.3. function: provides smooth surfaces for tissues to slide over each other

4.2. Bone

4.2.1. looks like: central canals with rings around them

4.2.2. location: bones of skeleton

4.2.3. function: support, protection, mineral storage

4.3. Blood

4.3.1. looks like: many round disks (rbc), splotchy circles (wbc), fragments (platelets)

4.3.2. location: in blood vessels

4.3.3. function: supplies cells with nutrients and oxygen, takes away wastes, fights infection

4.4. Adipose

4.4.1. looks like: packed together, see-through

4.4.2. location: beneath the skin, around internal organs, in bone marrow

4.4.3. function: store energy, cushion and insulate the body

4.5. Areolar (loose connective)

4.5.1. looks like: chaotic, space between components, many collagen and elastic fibers

4.5.2. location: between muscles, beneath the skin, beneath most epithelial layers

4.5.3. function: binds organs together

4.6. Reticular (dense irregular)

4.6.1. looks like: chaotic swirl of collagen fibers

4.6.2. location: dermis of skin, joint capsules

4.6.3. function: able to withstand tension exerted in many directions, structural strength

4.7. Fibrous (dense regular)

4.7.1. looks like: closely packed collagen fibers, waves

4.7.2. location: in dermis of skin, tendons, ligaments

4.7.3. function: support, tendons connect muscle to bone, ligaments connect bone to bone

4.8. Elastic Cartilage

4.8.1. looks like: a bunch of chondrocytes more closely packed together, elastic fibers inbetween

4.8.2. location: external ear, larynx

4.8.3. function: flexibility for repeated bending

4.9. Fibrocartilage

4.9.1. looks like: bunch of chondrocytes, collagen fibers in between

4.9.2. location: between vertebrae, pubic symphysis, annulus fibrosis

4.9.3. function: tough, shock-absorbing

5. Nervous

5.1. looks like: cell body with dendrites coming off like tree branches, axon stick growing downward from cell body

5.2. location: brain, spinal cord, nervous system

5.3. function: signals from internal/external environment are received by neurons and then transmitted as electrical impulses to muscles, glands, etc.

6. Muscle

6.1. Cardiac

6.1.1. looks like: striated and branched, disorganized

6.1.2. location: heart

6.1.3. control: involuntary

6.2. Skeletal

6.2.1. looks like: striated, organized

6.2.2. location: attached to skeleton

6.2.3. control: voluntary

6.3. Smooth

6.3.1. looks like: spindle-shaped, elongated cells

6.3.2. location: wall of hollow organs (intestines, bladder, uterus)

6.3.3. control: involuntary