Skeletal system Flashcards
The sagittal suture runs between which bones?
The left and right parietal bones
What is the sella turcica?
The ‘turkish saddle’ structure of the sphenoid bone located at the midline of the middle cranial fossa
What is the difference in the mandible of a child versus that of an adult?
At birth the mandible consists of paired left and right bones, which fuse during the first year to form the single U-shaped adult mandible
Intervetebral discs provide padding between vertebrae during what form of stress?
Weight bearing
Name the three regions of the vertebrae
Cervical, thoracic, and lumber
What forms the walls of a joint cavity?
The articular or fibrous capsule
What structure terminates at the tympanic membrane?
The external auditory canal
What is an articulation of bone?
Where two bone surfaces come together
What is an intervertebral disc?
A fibrocartilaginous pad that fills the gap between adjacent vertebral bodies
The expanded distal end of each metacarpal articulates with what?
The phalanx of the pollex or one of the fingers
Which bones does the coronal suture join?
The frontal bone to the right and left parietal bones
The metacarpals form which part of the hand?
The palm
What is the definition of a ligament?
Dense regular connective tissue bands that band between two bones or bone surfaces
What is the term for a hole through bone?
Foramen
Muscle attachment sites on bones will thicken if a person increases their ____ ____
Muscle strength
The zygomatic process forms the posterior portion of what structure?
The zygomatic arch
Cartilage can unite adjacent bones or provide ____ between them
Cushioning
The lateral and anterior aspects of the bony pelvis are formed by the ____ ____ (bones)
Os coxae
Which ribs are classified as true ribs?
Ribs 1 - 7
Which is the medial bone, radius or ulna?
Ulna
Where can the external auditory canal be found?
As a lateral opening of the temporal bone
Cartilage is a ____-____ form of connective tissue
Semi-rigid
Which metatarsal is shorter and thicker than the others, 1 or 5?
1st
How many bones in the lower limb?
30