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Flashcards in week 5 Deck (20)
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1
Q

immovable joints that fuse the skull together

A

sutures

2
Q

facial bones

A
total 14
nasal 2
inferior nasal concha 2
lacrimal 2
palatine 2
zygomatic 2
maxila 2
vomer
mandible
3
Q

cranial bones

A
total 8
occipetal
temporal 2
parietal 2
frontal
spehnoid
ethmoid
4
Q

maxillae

A

2 paired bones that join to form upper jaw

articulate with every bone of the face except madible

5
Q

osteoncrosis

A

bone death particularly in the mandible

can happen due to medications having an affect on osteoclastic activity

6
Q

mental foramen

A

maintains nerve in mandible

7
Q

mandible

A

largest,strongest,facial bone

8
Q

tissue

A

a collection of similarly specialized cells

9
Q

4 basic histological tissue types

A

epithelial
connective
muscle
nervous

10
Q

2 types of epithelium

A

membranous and glandular

11
Q

characteristics of epithelium

A
  1. Cellularity
  2. Polarity
  3. Attachment
  4. Avascularity
  5. Regeneration
12
Q

how is basement membrane formed

A

epithelium and adjoining connective tissue

13
Q

4 key functions of epithelium

A

protection
permeability
sensation
secretion

14
Q

tissues that bone is composed of working together include (6)

A
osseous (bony) tisssue
cartilage
dense connective tissue
epithelium
adipose tissue
nervous tissue
15
Q

bone shapes and examples

5

A

long(limbs like femur,hemurus)

short(wrist)

flat(sternum,skull bones,pelvis)

irregular(facial bones and vertebrae)

sesamoid(patella)

16
Q

connective tissue sheath surrounding the bone

has blood supply

A

periosteum

17
Q

thin vascular membrane of connective tissue that lines inner surface of bony tissue

A

endosteum

18
Q

mineral component of bone contributes to?
25% water
25% collagen fibres
50% crystalized mineral salts

A

mechanical strength
hardness
rigidity

19
Q

basic metabollic unit of bone

A

osteon or havresian system

20
Q

4 bone cells and functions

A

osteogenic cells- precursor of osteblast

osteoblasts create new bone

osteoclats reabsorb bone

osteocytes maintain bone