Divisions Of The Skeleton Flashcards
Axial Skeleton
Forms the central core or “axis” of the body’s bony framework
Cranium
(Kra-ne-um)
Cranial bones (8)
Form the chamber enclosing the brain; house the ear and form part of the eye socket
Belongs to SKULL section
Facial portion
(FA-shal)
Facial bones (14)
Form the face and chambers for sensory organs
Belongs to SKULL section
Hyoid
(HI-oyd)
U-shaped bone under mandible (lower jaw); used for muscle attachments
Belongs to SKULL section
Ossicles
(OS-ih-klz)
Ear bones (3)
Transmit sound waves through middle ear
Belongs to SKULL section
Vertebral column
(VER-teh-bral)
Vertebrae (26)
Enclose the spinal cord
Belongs to TRUNK section
Thorax
(THO-raks)
Sternum (STER-num)
Ribs (12 pairs)
Anterior bone of the thorax enclose the organs of the thorax
Belongs to the TRUNK section
Appendicular Skeleton
(Ap-en-DIK-u-lar)
Is attached or “appended” to the axial skeleton
UPPER DIVISION (shoulder girdle)
Clavicle (KLAV-ih-kl)
Scapula (SKAP-u-lah)
Clavicle- anterior, between sternum and scapula
Scapula- posterior, anchors muscles that move arm
UPPER DIVISION (Upper Extremity)
Humerus (HU-mer-us)
Ulna (UL-nah)
Radius (RA-de-us)
Carpals (8) (KAR-palz)
Metacarpals(5) (met-ah-KAR-palz)
Phalanges(14) (fah-LAN-jeze)
Humerus- proximal arm bone
Ulna- medial bone of forearm
Radius- lateral bone of forearm
Carpals- wrist bones
Metacarpals- bones of palm
Phalanges- bones of fingers
LOWER DIVISION
Pelvic bones (PeL-vic)
Os coxae(2) (os KOK-se)
Join sacrum and coccyx of vertebral column to form the bony pelvis
LOWER DIVISION (Lower Extremity)
Femur (FE-mur)
Patella (pah-TEL-ah)
Tibia (TIB-e-ah)
Fibula (FIB-u-lah)
Tarsal bones(7) (TAR-sal)
Metatarsals(5) (met-ah-TAR-salz)
Phalanges(14) (fah-LAN-jeze)
Femur- thigh bone
Patella- kneecap
Tibia- medial bone of leg
Fibula- lateral bone of leg
Tarsal bones- ankle bones; the large heel bone is the calcanues (kal-KA-neus)
Metatarsals- bones of instep
Phalanges- bones of toes
