Connective Tissue

Question 1

Connective tissue function

Answer 1

support, bind other tissues
transport
store energy (fat)
sensations (nerves - not cartilage)

Question 2

GAGS examples

Answer 2

chondroitin/keratan/dermatan/haparin sulphate

hyalurounic acid

Question 3

choindroitin sulphate location

Answer 3

cartilage, blood, bone, skin

Question 4

keratan sulphate location

Answer 4

cornea, cartilage, bone

Question 5

dermatan sulphate location

Answer 5

skin, tendons, heart valves

Question 6

hyaluronic acid function

Answer 6

lubricate joints
maintain eyeball shape
bind cells

Question 7

Elastic fibre structure

Answer 7

elastin surrounded by fibrillin glycoprotein

fibrous

Question 8

collagen structure

Answer 8

parallel bundles of proteins

THICC

Question 9

reticular fibre structure

Answer 9

collagen wrapped in glycoprotein

thinner, branched

Question 10

reticular fibre location

Answer 10

BM,
smooth muscle
nerve fibres
vessels

Question 11

macrophage function and location

Answer 11

phagocytic
langerhans - skin
dust - lung
kupffner - liver
wandering - sites of injury, inflammation and illness

Question 12

mast cells function and location

Answer 12

release histamine to change permeability of blood vessel walls
found near blood vessels

Question 13

basophils function

Answer 13

release histamines - inflammatory reacftion

Question 14

eosinophils function

Answer 14

parasitic response, allergic respoknse

Question 15

neutrophils function

Answer 15

phagocytic

Question 16

what are platelets formed from

Answer 16

megakaryocytes

Question 17

hyaline cartilage structure

Answer 17

gel
weal
flexible
fibres are not obvious
surrounded by perichondrium

Question 18

hyaline cartilage location

Answer 18

end of respiratory structures:

septum, bronchi, trachea

Question 19

elastic cartilage structure, function, location

Answer 19

chondrocytes in elastic fibre network\
surrounded by perichondrium
maintains shape
sound structures - ear, larynx lid, auditory tubes

Question 20

fibrocartilage location and strucfture

Answer 20

joint interfaces, where tendons insert into cartilage
no perichondrium
fibroblasts amongst thick collagen bundles

Question 21

lamellae function and structure

Answer 21

rings of mineral salts - CaPO4, Ca(OH)2
collagen
strong & hard - responsible for compact bone

Question 22

lacunae structure and function

Answer 22

small spaces between lamellae for osteocytes

Question 23

canaliculi structure and function

Answer 23

canals

transport of O2, nutrients, waste

Question 24

haversian/central canal structure and function

Answer 24

contains blood, lymph, nerves

Question 25

Spongy bone function/structure

Answer 25

``` no osteons - trabeculae instead - no haversian canal - marrow instead. --> Marrow! (red and yellow) porous makes RBC stores fat ```

Question 26

where is dense regular connective tissue found

Answer 26

ligaments, tendons aponeuroses

Question 27

dense irregular structure

Answer 27

collagen fibres in an irregular arrangement

Question 28

dense irregular CT location

Answer 28

arranged in sheets reticular dermis fascaie - around muscles and cartilage, separate things

Question 29

dense elastic CT location

Answer 29

lungs | elastic arteries

Question 30

loose areolar tissue location and function

Answer 30

``` packing material all 3 fibres beneath skin around blood vessels, nerves, organs papillary dermis ```

Question 31

what CT is adipose tissue found with

Answer 31

areolar

Question 32

loose reticular CT structure

Answer 32

reticular fibres and cells in network

Question 33

where is loose reticular CT found

Answer 33

stroma of liver, spleen, lymph nodes, RB marrow BM binds smooth muscle

Question 34

mesenchyme structure

Answer 34

mesenchyme cells in reticular fibre network

Question 35

mucous CT structure

Answer 35

fibroblasts in GS with collagen fibre network

Question 36

areolar CT structure

Answer 36

all 3 fibres | many types of cells - fibroblasts, mast cells, WBC's, plasma cells, macrophages, adipocytes

Question 37

brown adipose tissue features

Answer 37

more blood vessels pigmented mtchondria more common in children and infants than in adults

Question 38

what is a source of stem cells

Answer 38

adipose tissue

Question 39

elastic CT structure and location

Answer 39

fibroblasts in elastic fibre network lungs and elastic arteries trachea bronchial tubes

Question 40

hyaline cartilage location

Answer 40

ends of long bones parts of larynx, trachea, bronchi, bronchial tubes embryonic skeleton

Question 41

hyaline cartilage structure

Answer 41

gel shiny fine collagen fibres prominent chrondrocutes in lacunae surrounded by perichondrium

Question 42

hyaline cartilage function

Answer 42

flexibility | protect joints