Transcript 4. Homeostasis, Directions PPT

Make sure to work on your
Organ System Puzzle
Notes from this lesson should be
written on your Anatomical
Positions worksheet
Homeostasis
• Homeostasis = existence of a stable internal
environment
• Homeostatic regulation = keeps internal
environment within desirable limits
•
Most often done by the nervous and endocrine
systems
Anatomical Position
• Stands erect
• Hands at the side
• Palms facing forward
SUPINE = person laying down face up
PRONE = person laying down face down
Anatomical Directions – page 14:
anterior
posterior
ventral
dorsal
cranial/cephalic
caudal
superior
inferior
front or before
back or behind
belly side
back
head
tail
above
below
Anatomical Directions Cont.
medial
lateral
proximal
distal
superficial
deep
towards the body’s longitudinal axis
away from the body’s longitudinal axis
closer to the trunk
away from the trunk
at or near the body surface
farther from the body surface
Sectional
Anatomy
Separates anterior
and posterior body
portions
Separates
superior and
inferior body
portions
Separates
right and left
body
portions