Lab - Exercise 4

Question 1

Simple cuboidal epithelium

Answer 1

Single layer. Cubed shaped. (Lining of eccrine sweat glands)

Question 2

Stratified squamous epithelium

Answer 2

Lots of layers. Random shapes. Die and become keritanized. (epidermis)

Question 3

Adipose tissue

Answer 3

Fat. Lipid soluable. Insulation, energy storage and lubrication for joints. (subcutaneous or hypodremis)

Question 4

Dense fibrous connective tissue

Answer 4

Regular = not as compacted. Irregular = compacted.

glagenous fibers. (dermis)

Question 5

Loose (areolar) connective tissue

Answer 5

Glagenous and elastic. (below epithelial binded to dermis) (binds stratified squamous to dermis)

Question 6

Smooth muscle

Answer 6

Involuntary movements. Doesn’t have striations.

Question 7

The outermost layer of epidermis consisting of keratinized cells

Answer 7

Stratum corneum

Question 8

This layer of skin is comprised primarily of irregular dense fibrous tissue

Answer 8

Dermis

Question 9

Technically not a layer of the skin, this is the region beneath dermis consisting of loose fibrous connective tissue and adipose tissue

Answer 9

Hypodermis or subcutaneous layer

Question 10

The layer of the epidermis characterized by cells with shriveled nuclei is this layer.

Answer 10

Stratum Granulosum

Question 11

These are a secretory accessory structure involved in body temperature regulation

Answer 11

Eccrine glands

Question 12

The actively reproducing layer of epidermal cells adjacent to basement membrane is this layer

Answer 12

Stratum basale

Question 13

This layer is the outermost layer of skin and is comprised entirely of stratified squamous epithelium

Answer 13

Epidermis

Question 14

The accessory structure that changes the position of hair in response to emotions or temperature is this layer

Answer 14

Arrector Pilli

Question 15

Hairs develop at the base of a tube like depression called this, extending from epidermis down into dermis

Answer 15

Follicle

Question 16

Accessory structures associated with hair follicles that secrete oils are this.

Answer 16

Sebaceous glands

Question 17

The layer of epidermal cells characterized by large oval nuclei is this layer.

Answer 17

Stratum spinosum

Question 18

Accessory structures active in response to various emotions are this. These are commonly found in the axillary region

Answer 18

Apocrine glands

Question 19

The layer of epidermis in which cells appear clear and the cell organelles are no longer visible is this layer

Answer 19

Stratum lucidum

Question 20

Microscopic passageways through which processes from osteocytes extended are called this. These passageways allow osteocytes to communicate with each other via specialized gap junctions

Answer 20

Canaliculi

Question 21

The plates of bony tissue in cancellous bone tissue are called this. Red bone marrow fills the spaces between these plates.

Answer 21

Trabeculae

Question 22

Bone tissue is laid down in concentric rings of tissue called this.

Answer 22

Lamellae

Question 23

All of the rings of tissue surrounding one central canal constitute one of these.

Answer 23

Osteonic system

Question 24

A layer of dense connective tissue called this covers the surface of bones such as the radius or tibia. This tissue is continuous which the tissue that makes up ligaments

Answer 24

Periosteum

Question 25

Endosteum lines this of long bones.

Answer 25

Medullary cavity

Question 26

Relatively large blood vessels and nerves are found in passageways called this. Smaller branches from these blood vessels are nerves are found in osteonic canals

Answer 26

Perforating canals

Question 27

In both compact and cancellous bone tissue, osteocytes are found in chambers called this.

Answer 27

Lacunae

Question 28

The shaft of a long bone is properly called this.

Answer 28

Diaphysis

Question 29

While the ends of a long bone are properly called this.

Answer 29

Epiphyses

Question 30

How will the healing process proceed for the skin after a compound fracture?

Answer 30

Fibroblasts produce new collagen fibers. The majority of the dermis is made up of irregular dense connective tissue so the new collagen replaces the damaged dermal tissue. Cells of the stratum basale will reproduce then replace the damaged epidermis

Question 31

How will the healing process proceed for the bones after a compound fracture?

Answer 31

Osteoblasts and new blood vessels invade the hematoma that formed following the break. The osteoblasts deposit cancellous bone and fibroblasts deposit fibrocartilage. The fibrocartilage fills the space between the broken ends of the bone. Osteoblasts invade this space and gradually replace it with compact bone tissue