HESI Skeletal System Flashcards
number of cranial bones
8
number of facial bones
14
number of bones in each wrist
8
number of bones in each ankle
7
immovable interlocking joints that join skull bones
sutures
spaces between cranial bones that are filled with fibrous membranes
fontanels
very small bones that develop within sutures
sutural or wormian
the space that provides skull flexibility during birth
fontanels
name for the top, sides, front, and back of the cranium collectively
cranial vault
name for the bottom of the cranium
cranium floor
3 depressions in the floor of the cranium (anterior, middle, and posterior)
cranial fossae
mucus lined cavities that surround the nasal cavity
sinuses
the hyoid is connected by ligaments to the styloid process of the _____ bones
temporal
number of bones in vertebral column
26
muscles and ligaments attach to these parts of the vertebra
spinous process and transverse processes
the transverse processes of cervical vertebrae are special because they have
transverse foramen for blood vessels to pass through
vertebrae articulate at the _____ ______ _____ and the _____ _____ _____
superior articular process and inferior articular process
part of the spine that is USUALLY 4 fused vertebrae
coccyx
part of the spine that is 5 fused vertebrae
sacrum
C1 is nicknamed
atlas
C2 is nicknamed
axis
space where nerves pass through
intervertebral foramina
3 fused bones of the sternum
manubrium
body
xiphoid process
Type of ribs that attach directly to the sternum via costal cartilage
true ribs
number of true ribs
7 pairs
the hyaline cartilage that connects ribs to sternum is called
coastal cartilage
fancy name for true ribs
vertobrosternal ribs
fancy name for false ribs
vetobrochondral ribs
the ____ is the end of the rib that attaches to the spine
head
the sharp turn of the rib is called the ____ _____
costal angle
the area between each rib is called the ______ space
intercostal
the outer fibrocartilaginous ring of the intervertebral disk is called the ______ ____
annulus fibrosus
