Human Body Flashcards
(25 cards)
Superior
Pointing above, going up the body
Inferior
Pointing below, going down the body
Anterior
Towards front of body
Posterior
Towards the back of the body
Proximal
Closer to trunk of body on limb
Distal
Towards end of limb
Medial
Towards midline
Lateral
Away from midline
Epidermis
Outermost layer of skin. No nerves or blood vessels. Thinner then dermis
Melanocytes
Produce melanin is epidermis
Melanin
A pigment that gives skin it color and helps prevent skin from burning
Dermis
Lower layer of skin contains nerves, blood vessels, sweat glands, hairs, oil glands
Pores
Openings in the dermis
that allow perspiration through
Follicles
Structures in the
dermis from which hair grows
- Hair above the skin’s
surface is made of dead cells
Vertebrae
The bones that make up the the backbone of an organism
Joints
Allow bones to move is different ways
Ligaments
Strong connective tissue that holds bones together with moveable joints
Cartilage
Connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together
Osteoporosis
A condition resulting from a loss of minerals in Which the body’s bones become weak and easy to break
Axial skeleton
Skeleton that makes up the bikes of the head and trunk of body
Appendicular skeleton
Skeleton that makes up the limbs in the body
Involuntary muscle
Muscle that is not under conscious control
Voluntary muscle
Muscle that is under conscious control
Tendon
Strong connective tissue that attaches muscle to bone
