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Chapter 7, 8
Axial Skeleton
Term | Definition |
---|---|
Skeletal sytem | Internal framework, support soft tissues, protect vital organs, bear body weight, and function as levers to help us move 206 bones- bones differ in size, shape and weight diversity is directly related to function |
Axial(ch.7) skull, vertebral column, thoracic cage | central supporting axis of the body create framework that supports and protects the organs spongy bone contains hemopoietic tissue |
Appendicular (ch.8) | bones of upper limbs, pectoral girdle, bones of the lower limbs, pelvic girdle. |
bones markings, | articulating surfaces |
condyle | large, smooth, rounded oval structure |
facet | small, flat, shallow surface |
head | prominent, rounded epiphysis |
trochlea | smooth, grooved, pulley-like process |
depressons | fossa and sulcus |
fossa | flattened or shallow depression |
sulcus | narrow groove |
openings and spaces | (canal, foramen, meatus, and sinus) |
canal | passageway through bone |
foramen | hole through a bone |
meatus | opening into a canal |
sinus | cavity or hollow space in a bone |
projections | (crest, epicondyle, process, spine, trochanter, tubercle, and tuberosity) |
crest | narrow, prominent ridgelike projection |
epicondyle | projection adjacent to a condyle |
process | any marked bony prominence |
spine | pointed, slender process |
trochanter | 2 massive, rough projections on femur |
tubercle | small, rounded projections |
tuberosity | large, rough projection |