Exam 1 skeletal system Flashcards
to memorize the exam 1 questions on the human skeleton
Superior
Up
Inferior
down
Medial
towards the body midline
Lateral
away from the body midline
Proximal
up from the arm
Distal
Down from the arm
Anterior
poking the hips forwards
Posterior
Poking the butt out
what is the Axial skeleton
top part of the body including the (head, ribs, lower spine), not including hips or shoulders
what is the Appendicular skeleton
the limbs of the body (shoulders, arms, hips, legs)
Where is the hyoid bone
controls the tongue, not attached to any bones
Radius
forearm bone closest to the thumb
Ulna
Forearm bone closest to the pinky
Tibia
Shin bone closest to the big toe
fibula
closest bone to the pinky toe
What is compact bone?
hard outer layer of the bone that is smooth, dense, and homogenous
Spongy bone/trabecular bone
softer inner layer of bone that contains red bone marrow and increases the strength of the overall bone
Bone marrow
the soft tissue that surrounds the spongy bone inside of bones. It creates blood cells and contains stem cells; this all is an important part of a healthy immune system.
Long bones
longer than they are wide, have a shaft with heads on both ends; mostly contains compact bone. Like farmers, ulna, or radius