Chapter 7, 8 Flashcards
What are the function of the bones?
Muscle attachment, protection and support, store minerals and fat, blood cell production
What are Articular cartilage do?
Assist with movement between two bones with minimal friction
What does the Periosteum do?
Cover and nourish bone
What are Osteocytes? Housed where?
Bone cells in Lacunae
Most common bone? Made out of?
Endochondral, Hyaline Cartilage
Osteoblast do what?
Build new bone
Osteoclast do what?
Break down old bone
Where does blood cell formation occur?
Medullary Cavity
What does Red Marrow make?
White and Red blood cells and platelets
Yellow Marrow does what?
Stores fat
Low Calcium Levels lead to?
Parathyroid glands release and begins to break down bone and lead to brittle, weak bones
High Calcium Levels lead to?
Calcitonin is released, stores excess calcium and leads to stronger and healthier bones
How many Carpal bones are there?
8
How many bones in the skull?
22 - 8 cranial 14 facial
Hip joint is what kind of joint?
Ball and socket
Knee joint is what kind of joint?
Hinge joint
Females are more prone to osteoporosis due to what?
Hormones
What are the Axial bones?
Skull, Thoracic, Vertebral Column - Sacrum, Coccyx, Hyoid, Sternum, Ribs
What are the Appendicular bones?
Pectoral Girdle - Scapula, Clavicle
Upper Limbs - Humerus, Radius, Ulna, Carpals, Metacarpals, Phalanges
Pelvic Girdle - Sacrum, Coxae
Lower Limbs - Femur, Fibula, Tibia, Patella, Tarsals, Metatarsals, Phalanges
How many Cranial bones? Facial bones?
14 Facial, 8 Cranial
Functions of the Cranium?
Protects the brain, attachment for muscles
What are the 8 Cranial Bones?
Parietal - Sides of head
Occipital - Lower back of the head *foramen magnum, occipital condyles
Frontal - Supraorbital Foramina, Frontal Sinuses
Ethmoid - Backside of nose
Sphenoid - Wing shaped behind eyes
Temporal - Mastoid, Styloid, Zygomatic process, External Acoustic Meatus
Sutures of the skull?
Sagittal, Coronal, Lambdoidal, Squamosal
How many Cervical Vertebrae are there?
7