Skeletal System 1 Flashcards
Long bones
Bone with shaft and joint ends
Total number of bones in the body
206 but it can vary
Short bones
Carpals and tarsals
Flat bones
Sternum, cranium
Irregular bones
Vertebrae
Sesamoid bones
Patella
Embedded in tendon or ligament
Patella is only regularly occurring one
Sutural bones
Tiny, located in sutures
Variation in numbers
Depressions and openings
Embedment or passage of soft tissue structures into or through bone
Fissure
Narrow slit between bones
Foramen
Rounded opening in bone
Fossa
Shallow depression usually rounded for muscle belly
Sulcus
Long thin groove usually blood vessel or nerve
Meatus
External opening of a tubular passage
Projections or processes
Attachment points for tendons and ligaments
Usually roughened ct
Condyle
Large rounded protuberance
Part of joint
Facet
Smooth flattened articular surface
Crest
Ridge like projection for attachment
Epicondyle
Projection rising above a condyle
Line
Long narrow thin ridge
Less prominent than a crest
Spinous process
Spike like projection
Trochanter
Large projection in region of a joint
Tubercle
Small rounded projection at region of joint
Tuberosity
Large rounded projection at region of joint
Roughened
How many bones in the skull?
22 divided into two regions