Skeletal System Notes BIO 240

At ? Intro

Anatomy study of structure + form


study of the function
of
body parts physiology
Anatomic Position
Supine -




laying face
up
Prome face down
laying
-




1




¥ Oblique plane
↳ deep
↳ at an angle
=
inner vs.
superficial -_ outer




right
\ Epigastric \ Left

\ hypochondriac region hypo .




RVQILVQ
region region

-
-1 -
1
-
-




Right umbilical Left
lumbar 1
1 region lumbar
1-
-
-
-


region
region

RLQILLQ l
- -
-
-
- -




right I Left

iliac Hypogastric iliac

region / region
1 1 region

I
1

, cavities Pericardium
( peritoneum)

posterior aspect
•



Serous membrane around the
↳ cranial cavity
•



Parietal -


outer layer / inner sac
↳ vertebral •

Visceral -


covers exterior

Ventral cavity
•



Pericardial cavity
-
btw visceral
↳ thoracic and fluid
parietal ,
contains serous

abdominal pelvic

↓
abdominal pelvic

, Skeletal System
Bone Classifications
Shape
•




•
long
Flat
bones

bones :
:


(
( femur)
skull ,
sternum )
_*" An




::÷:::÷÷÷::::÷i%iL;¥÷
location
•
Axial : skull ribcage vertebrae
, ,




•
Appendicular : limbs

↳ connector -
girdles
arms =
pectoral , legs =
pelvic



Tissue Types White outer
+ Nerves !
Bone tissue ↳
•

Bone cells matrix -

calcified
,



compact
•

vs .




spongy

Bone marrow
Blood vessels highly vascularized
•
-




Red blood made ↑ internal
•
-




•

Yellow -

fat tissue ,
overtime


Ligaments -


connects bone to bone

Bone Membranes
•

periosteum / bone cells) Tendons -


connects muscle to bone

•


Endosteum


cartilage
ribs → sternum Min growth plates ( epipheseal) ends of bones
Hyaline
• -



,
,


intervertebral disks , pubic symphysis
Fibro weight bearing
•
-




,