lab 2 biol 223 bolded terms

Question 1

extracellular matrix is made up of …?

Answer 1

ground substance and protein fiber

Question 2

what are the types of protein fibers?

Answer 2

collagen, reticular, and elastic fibers

Question 3

reticular ribers

Answer 3

are very fine and arranged into a branching framework in soft tissues

Question 4

collagen fibers

Answer 4

are strong and have a rope like structure. They are able to withstand pulling forces in a tissue

Question 5

elastic fibers

Answer 5

have the ability to stretch and return to their original shape.

Question 6

fibroblast

Answer 6

“protein-fiber-makers,” responsible for producing the ECM

Question 7

fluid ct

Answer 7

blood; contains, plasma, erythrocytes, leukocytes, and platelets

Question 8

supporting ct

Answer 8

consists of bone and cartilage.
cartilage: hyaline, fibrocartilage, and elastic cartilage

Question 9

CT proper

Answer 9

consists of dense and loose CT
Dense: Dense Regular and Dense Irregular
Loose: Areolar, Adipose, Reticular

Question 10

areolar CT is found?

Answer 10

• dermis (papillary layer)
  -between muscles
  -surrounding blood vessels
  -surrounding nerves

Question 11

reticular connective tissue is found?

Answer 11

-lymph nodes
-kidney
-spleen
-liver
-red bone marrow

Question 12

adipose CT is found?

Answer 12

-hypodermis
-surrounding the eyeballs, the kidneys
-yellow bone marrow

Question 13

dense regular CT is found…?

Answer 13

-tendons
-aponeroses(?)
-most ligaments

Question 14

dense irregular CT is found?

Answer 14

-dermis (reticular layer)
-organ capsules
-periosteum
-perichondrium

Question 15

hyaline CT is found?

Answer 15

-fetal skeleton
-larynx
-trachea
-articular cartilage

Question 16

elastic cartilage CT is found?

Answer 16

-auricle (outside) of the ear
-epiglottis

Question 17

fibrocartilage CT is found?

Answer 17

-intravertebral discs
-pubic symphysis
-cartilage pads in knees (meniscus)

Question 18

dense bone CT is found?

Answer 18

-in the bones

Question 19

blood CT…

Answer 19

-within blood vessels
-within the chambers of the hear

Question 20

nervous tissue…

Answer 20

-nervous system

Question 21

define stroma

Answer 21

“supportive”

Question 22

what are cartilage cells called?

Answer 22

chondrocytes

Question 23

what is a lacunae?

Answer 23

spaces that contain chondrocytes.

think restless guy in cement

Question 24

what are osteons?

Answer 24

also known as haversian systems, they are the circular with a significant amount of matrix with few spaces.

in other words, circle with osteocytes and encompasses a center canal.

Question 25

what is found in the center of an osteon?

Answer 25

a center canal that contains blood vessels and nerves

Question 26

what cells are found within lacunae?

Answer 26

osteocytes

Question 27

what is a perikayron?

Answer 27

the cell body of a nucleus

Question 28

name the five layers of the epidermis. which is only found in thick skin?

Answer 28

Stratum Corneum
Stratum Granulosum
Stratum Spinosum
Stratum Basale

Stratum Lucidum is only found in thick skin.

Question 29

what are the two tactile receptors found in the skin?

Answer 29

lamellated (Pacinian) corpuscles
tactile (Meissner’s) Corpuscles

Question 30

the epidermis is…

Answer 30

a thinner, more superficial layer comprised of a keratinized stratified squamous epithelium.

Question 31

the dermis is…

Answer 31

a thicker, deeper layer comprised of connective tissue.