Histology Flashcards

1
Q

name the 3 types of muscle

A

skeletal
cardiac
smooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

name the 3 types of skeletal muscle

A

striated
unbranched
multinucleated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

where are the nuclei located in skeletal muscle?

A

periphery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

name the the fine transparent tubular sheath which envelops the fibres of skeletal muscles

A

sarcolemma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

muscles are grouped into bundles called __________

A

muscles are grouped into bundles called FASCICLES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

name the following:

(a) connective tissue around the whole muscle
(b) connective tissue around a single fascicle
(c) connective tissue around a single muscle fibre

A

(a) EPIMYSIUM - connective tissue around the whole muscle
(b) PERIMYSIUM - connective tissue around a single fascicle
(c) ENDOMYSIUM - connective tissue around a single muscle fibre

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

name the unit of contraction

A

sarcomere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

thousands of sarcomeres are placed end-to-end to form a what?

A

myofibril

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

many myofibrils make up a what?

A

muscle fibre

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

sarcomeres extend form one _ line to the next

A

sarcomeres extend form one Z line to the next

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is a motor unit?

A

one motor neurone and all the muscle fibres that it innervates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the fewer number of muscle fibres that a motor unit innervates = ???

A

few muscle fibres = finer the control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

name the special type of synapse in a motor neurone

A

neuromuscular junction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

name the 3 types of skeletal muscle

A

type I
type IIA
type IIB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

name the muscle fibre:

fast contracting – anaerobic metabolism – fast fatigue – great force – white

A

type IIB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

name the muscle fibre:

slow contracting – resistant to fatigue – produce less force - red

A

type I

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

name the muscle fibre:

intermediate – fast contracting – resistant to fatigue - uncommon

A

type IIA

18
Q

name the cells found in cartilage

A

chondrocytes

19
Q

where do chondrocytes live?

A

lacuna

space in the extracellular matrix

20
Q

what type of collagen is found in cartilage?

A

type II

21
Q

major component of cartilage?

A

water

22
Q

name the 3 types of cartilage

A

hyaline
elastic
fibrocartilage

23
Q

what is the common blue-white cartilage?

A

hyaline

24
Q

what is the yellow, flexible cartilage?

A

elastic

25
Q

what is the hybrid cartilage that is white and made of type I collagen?

A

fibrocartilage

26
Q

95% of the bodies calcium is found where?

A

bone

27
Q

bone is 65% what?

A

bioapetite

28
Q

name the 3 types of bone

A

cortical and trabecular/cancellous

woven bone is put down after a break - haphazard and not as strong that is eventually replaced by lamellar bone

29
Q

what bone is dense and makes up the outer shell of bone?

A

cortical bone

30
Q

where is trabecular bone found?

A

ends of bone - epiphyses

31
Q

name the living cells found in bone

A

osteocytes

32
Q

what does an osteon circulate?

A

a haversion canal

33
Q

name the visible lines that surround an osteon

A

cement lines

34
Q

what do trabecular bones lack?

A

hersian canals

35
Q

name the 4 bones cells

A

osteoprogenitor cells, osteoclasts, osteocytes and osteoblasts

36
Q

name the bone cell:

developing bone, RER and mitochondria

A

osteoblasts

37
Q

name the bone cell:

cell trapped in a matrix

A

osteocytes

38
Q

name the bone cell:

bone surface – pool of reserve osteoblasts

A

osteoprogenitor cells

39
Q

name the bone cell:

large, multinucleated, bone resorption

A

osteoclasts

40
Q

what are the secretions of osteoblasts termed?

A

osteoid