Vertebrae

Textbook Page Spinous Process 1. Spinous Process 2. Articular Facet 2. Articular Facet 3. Transverse Process 3. Transverse Process 4. Vertebral foramen 4. Vertebral foramen 5. Body 5. Body

Vertebrae (F) Are the individual irregular bones that make up the spinal column Are the individual irregular bones that make up the spinal column irregular bones spinal column irregular bones spinal column

Intervertebral discs (D) Made of tough cartilage Made of tough cartilage

Vertebral Column The spine is broken into 4 sections. The spine is broken into 4 sections. 1. Cervical 1. Cervical 2. Thoracic 2. Thoracic 3. Lumbar 3. Lumbar 4. a.Sacrum 4. a.Sacrum b.Coccyx b.Coccyx

CERVICAL Total = 7 Total = 7 Location = neck Location = neck #’s = C1-C7 #’s = C1-C7

Thoracic Total = 12 Total = 12 Location = Thoracic cavity Location = Thoracic cavity #’s = T1-T12 #’s = T1-T12

LUMBAR VERTEBRAE Total = 5 Total = 5 Location = Lower back Location = Lower back #’s = L1-L5 #’s = L1-L5

Sacrum 5 fused sacral discs at base of spine. 5 fused sacral discs at base of spine.

Coccyx Tail Bone Tail Bone OUCH!!!!!

Sternum Breast Bone, 3 parts Breast Bone, 3 parts

Manubrium (top) Manubrium (top) Body (middle) Body (middle) Xiphoid process Xiphoid process

RIBS – 12 pairs

True- top 7 pairs, attach directly to sternum False- next 5 pairs, do not attach directly to sternum Floating- bottom 2 ribs, no connection with sternum