Anatomy 4 - Bones And Axial Skeleton - Skull

Front 1

the roles bones play

Back 1

provides a framework that supports the body, sites for muscle attatchment, protective covering for certain organs and regions of the bod

CERTAIN bones contain red bone marrow which produces new red blood cells

Front 2

type of bone tissue

1. C____
2. S____

Back 2

compact bone
spongy bone (trabecular)

Front 3

type of bone tissue: compact bone

Back 3

almost every bone has a dense outer layer that looks smooth and solid

Front 4

type of bone tissue: spongy bone

Back 4

open spaces between trabeculare are filled with red or yellow bone marrow

lightens weight and maintains strength

Front 5

general morphology of the bone

1. ____
2. _____
3. _____
4. _____

Back 5

long
short
flat
irregular

Front 6

morph of bone: long bones

Back 6

longer than they are wide
a bone has a shaft and 2 distinct ends

Front 7

morph of bones: short bones

Back 7

roughly cube shaped, wrist and ankel

sesmoid bone are special type of short bones that form within a tendon

Front 8

____ are a special type of short bone that form within a tendon

Back 8

sesamoid bones

Front 9

morph of bones: flat bones

Back 9

thin, flattened and usually curved
most crainial bones, ribs, sternum and scapula

Front 10

morph of bones: irregular bones

Back 10

various shapes that dont fit the other categories
vertabrae and hip bones

Front 11

the axial skeleton

Back 11

skull, vertebral column, bony thorax

appendicular bones are those bones attatched to the axial bones

Front 12

skull

Back 12

brain's protective shell joined by sutures

Front 13

suture

Back 13

not stitches but fibrous joints that have a saw toothed appearence, interlocking impovable joints

Front 14

foramen

Back 14

a hole within a bone, originated from were bones join together but there are some incomplete joining of the bone where they do not fully join together and leave a little gap

Front 15

ethmoid bone

Back 15

in between the sphenoid bone and nasal boens

smallest bone of skull, unusal bone

Front 16

lamboid suture

Back 16

back of the head picture, occurs where the parietal bone meet the occipital bone posteriorly

Front 17

sphenoid bone

Back 17

in the cranium

wedge-shaped, spans the width of the cranial floor, resembles a bat

is the key stone of the cranium becasue it forms a central wedge that articulates with every other cranial bone

Front 18

mandible

Back 18

is the strongest skull bone

Front 19

lacrimal bones

Back 19

contains a deep grove where the lacrimal sac lays that gathers tears allowing fluid to drain from the eyes into the nasal cavity

Front 20

vomer

Back 20

slender, plow shaped, lies in nasal cavity forms the inferior part of the septum - bone that looks like a fin

Front 21

concha

Back 21

pertrude into the nasal cavity

Front 22

palatine bones

Back 22

L-shaped bones form a portion of the hard palate - aka roof of the mouth

Front 23

maxilla bones

Back 23

form upper jaw and central part of facial skeleton

key stone bones of the face becasue they articulate with all other facial bones except the mandible

Front 24

the roof of the mouth contains 4 bones 2 ____ and 2 ____

Back 24

palatine
maxilla

Front 25

hyoid bone
(not a facial bone, but close)

Back 25

sits in the neck, floats within the body, embedded within a ligament, its function is to move up the larynx when we swallow

boomerang with 2 little teeth, looks like a mini manbable

Front 26

bones within the ear
(not facial bones, but close)

Back 26

ossicles: 3 on each side which are small bones in the mid ear

hammer, anvil, stirrup

Front 27

cranial fossa

1. ____ fossa
2. ____ fossa
3. ____ fossa

Back 27

anterior: frontal lobes
middle: temporal lobes
posterior: cerebellum (NOT occipital)

Front 28

foramen: cribiform plate and crista galli

Back 28

tiny tiny foramen which lead to the nasal cavity

Front 29

olfactory nerve

Back 29

sense of smell arises off brain stren and lies on top of cribriform plate

Front 30

crista galli

Back 30

in the center of the cribiform plate which anchors the brain in place

Front 31

sella tucica

Back 31

fossa portion is the seat of the pituitary gland (cavity within a cavity)

Front 32

optic foramen

Back 32

optic canals allow passage of cranial nerves and opthalmic arteries

Front 33

foramen rotundum

Back 33

allows for passage of the maxillary division of cranial nerve - allows exit of the nerve

Front 34

foramen ovale

Back 34

allows passage of the mandibular division of cranial nerve - allows exit

Front 35

jugular foramen

Back 35

allows passage of the internal jugular vein and cranial nerve

large so lots of structures move through

Front 36

foramen magnum

Back 36

LARGEST of them all , most important structures run through this

passage of spinal cord from the brain stem to the vertebral canal

Front 37

hypoglossal canals

Back 37

allow passage of the hypoglossal nerve