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Ch.5 Skeletal Sys.

Mrs. Eastham --SVHS

Bone Cells Osteocytes
Cartilage Cells Chondrocytes
Produces bone matrix Osteoblasts
Maintains bone matrix. A mature bone cell. Osteocyte
Breaks down bone matrix. Osteoclast
Shoulder Pectoral girdle
Arm bone. Humerus
Forearm bones Radius and Ulna
Wrist bones Carpals
Hand bones Metacarpals
Fingers Phalanges
Each finger Digit
Hip Pelvic Girdle
Thigh bone Femur
Knee Patella
Leg bones. Tibia and Fibula
Ankle bones Tarsals
Foot bones. Metatarsals
Toes. Phalanges
Heel Calcaneus
Metatarsal that articulates with the tibia and fibula Talus
2 types of bone Compact and Cancellous(Spongy)
2 types of bone growth. Endochondral and apposional
2 types of ossification. Intramembranous and Endochondral
Ends of bone. Epiphyses
Shaft of a bone. Diaphysis
2 types of marrow. Red and yellow
Membrane that lines the medullary cavity. Endosteum
Membrane is found around the bone. Periosteum
Nose bone. Nasal bone
Upper jaw. Maxilla
Lower jaw Mandible
Spine Vertebral Column
Rib cage Thoracic cage
2 types of ribs True and False
Breast bone. Sternum
3 parts of the breast bone. Manubrium, body, and xiphoid process
Ribs that attach directly to the sternum. True ribs
Ribs that do not attach directly to the sternum. False ribs
Ribs that do not attach at all to the sternum. Floating ribs
Collarbone. Clavicle
Shoulder blade. Scapula
Number of cervical vertebrae. 7
Number of thoracic vertebrae. 12
Number of lumbar vertebrae. 5
Number of fused bones in the sacrum. 5
Number of fused bones in the coccyx. 4
Tail bone. Coccyx
Pelvic bones. Ishium, ilium, and pubis
What the Ilium, ishium, and pubis form. Coxa
Number of floating ribs. 2
Number of true ribs. 7
Number of false ribs. 5
Butterfly shaped skull bone. Sphenoid
Large hole in the bottom of the skull. Foramen magnum
Cheek bone. Zygomatic bone
Ear canal or passageway. External auditory meatus
Hole in a bone. Foramen
Canal or passageway. Meatus
Cartilage disks. Intervertebral disks
Softening of the bones. Osteomalacia
Porous bones. Osteoporosis
Immoveable joints. Fibrous joints
Slightly immoveable joints. Cartilaginous joints
Freely moveable joints. Synovial joints
Joint Articulation
Created by: seastham221