Lab notes

Question 1

Epithelial tissue

Answer 1

Lines or covers internal and external body surfaces

• 3 Shapes-Cuboidal, Columnar and Squamous
• Stratified (more than one layer) and Simple (One layer)

Question 2

Epithelial simple squamous

Answer 2

Delicate, thin-gas exhange

Question 3

Epithelial stratified squamous

Answer 3

Tough, anti-abrasive coverings, rapid mitosis

Question 4

Epithelial simple cuboidal

Answer 4

Absorb and secrete. Found in small tubules

Question 5

Epithelial transitional

Answer 5

Change from cuboidal to squamous-line urinary passages

Question 6

Epithelial simple columnar

Answer 6

Absorb and secrete. Found in large tubes

Question 7

Pseudostratified ciliated columnar epithelium

Answer 7

In larger respiratory tubes

Question 8

Muscle-Contractile tissue-

Answer 8

Cylindrical cells with evident nuclei

Question 9

What are the 3 types of muscle tissue

Answer 9

1) Skeletal
2) Cardiac
3) Smooth

Question 10

Skeletal muscle

Answer 10

Large, striated cells with multiple peripheral nuclei

Question 11

Cardiac muscle

Answer 11

Small, striated cells with branches and intercalated discs

Question 12

Smooth muscle

Answer 12

Small, non striated cells with tapering ends

Question 13

Nervous tissue

Answer 13

Conductive cells and supportive cells

• Neuron-conductive cell with dendrites, nerve cell body and axon
• Neuroglia-Supportive cells of neurons

Question 14

Epidermis

Answer 14

Stratified squamous epithelium

Question 15

Hypodermis

Answer 15

Marked by adipose tissue

Question 16

Accessory structures derived from the epidermis

Answer 16

1) Hair
2) Nails
3) Glands

Question 17

The hair has

Answer 17

1) Follicle
2) Sebaceous gland
3) Shaft
4) Root
5) Hair papilla
6) Arrector pili muscle

Question 18

The nails have

Answer 18

1) Free edge
2) Nail body (plate)
3) Lunula
4) Nail root
5) Nail bed
6) Eponychium (cuticle)
7) Hyponychium (quick)
8) Nail groove
9) Nail fold

Question 19

The glands have

Answer 19

1) Sweat glands

2) Sebaceous glands

Question 20

Golgi body

Answer 20

Modifies, packages, and sorts newly synthesized proteins for secretion, inclusion in new plasma membranes, or lysosomal enzyme synthesis

Question 21

Structure of the Golgi body

Answer 21

Stacked series of flattened smooth membrane sacs with associated transport vesicles (also called shuttle vesicles)

Question 22

Endoplasmic Recticulum (ER)

Answer 22

An extensive intracellular membrane network throughout the cytoplasm. Composed of 2 distinct regions that differ in structure and function: Smooth endoplasmic recticulum (smooth ER or SER) and rough endoplasmic recticulum (rough ER or RER)

Question 23

Smooth ER

Answer 23

Continuous with rough ER. Walls have a smooth appearance. Resembles multiple interconnected branches of tubules. The smooth ER