Human Osteology & Dentition Flashcards
Osteology
the study of bone
Odontology
the study of teeth
How many bones does the human skeleton have?
Around 206 bones
What are the three sections of bone anatomy?
gross external anatomy, gross internal anatomy, and microscopic
What are the three structures of long bones?
diaphysis (the shaft), metaphysis (the flared region), epiphysis (the very end)
What are the three components of bones?
cortical, trabecular, and medullary cavity
Histology
the study of microscopic tissue
What are the features of cortical bone?
primary vascular canals, primary osteons (woven), secondary osteons (rings)
What are the features of trabecular bone?
trabeculae and red bone marrow
What are the three types of joints?
immovable, slightly moveable, and freely movable
What are the six types of freely moveable joints?
ball & socket, condyloid (jaw), saddle (base of thumb), hinge, pivot, gliding (toes, wrist)
Superior
top view
Inferiror
underneath view
Proximal
closer to main joint
Distal
more distant from main joint
Medial
closer to midline
Lateral
more distant from midline
Anteriror
front
Posterior
back
Ventral
front (when referencing the hip girdle)
Sagittal plane
sawing in half
Coronal plane
separates anterior and posterior
Transverse
magician’s assistant
Cranial skeleton
the skull
Postcranial skeleton
everything else
Axial skeleton
central axis that appendages attach to
Appendicular skeleton
bones that make up your limbs
Thorax
torse & hips “the trunk”
