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A&P1 Bones lecture
| Question | Answer |
|---|---|
| How many bones are in the adult skeleton? | 206 |
| What two skeleton division exist? | Axial and appendicular |
| How many bones are in the axial skeleton? | 80 |
| How many bone are in the appendicular skeleton? | 126 |
| What tissue makes up bone structure? | Osseous tissue |
| What tissue stores fat inside bones? | Bone marrow |
| What marrow produces blood cells? | Red marrow |
| What marrow stores fat? | Yellow marrow |
| What bone layer covers the outside of bone? | Periosteum |
| What lines the inside of bone? | Endosteum |
| What is the shaft of a long bone called? | Diaphysis |
| What are the ends of long bones called? | Epiphysis |
| What is the hollow center of a long bone? | Medullary cavity |
| What type of bone is dense and strong? | Compact bone |
| What type of bone is trabecular? | Spongy bone |
| Bones longer than they are wide are called what? | Long bone |
| Cube-shaped bones are what type? | Short bone |
| Thin curved bones are what type? | Flat bone |
| Bones in tendons are called what? | Sesamoid bone |
| Bones that do not fit categories are called what? | Irregular bones |
| What is a narrow slit in bone? | Fissure |
| What is a hole for vessels? | Foramen |
| What is a shallow depression? | Fossa |
| What is a groove in a bone? | Sulcus |
| What is a tube-like opening? | Meatus |
| Rounded joint surface? | Condyle |
| Smooth flat articulation? | Facet |
| Rounded projection on neck? | Head |
| Prominent ridge? | Crest |
| Projection above condyle? | Epicondyle |
| Small ridge? | Line |
| Sharp projection on vertebra? | Spinous process |
| Very large projection? | Trochanter |
| Small rounded projection? | Tubercle |
| Round projection? | Tuberosity |
| Bone-forming cells? | Osteoblast |
| Bone-resorbing cells? | Osteoclast |
| Bone-maintaining cells? | Osteocyte |
| Stem bone cells? | Osteogenic cell |
| How many cranial bones exist? | 8 |
| What bone forms the forehead? | Frontal |
| Which bones form sides of skull? | Parietal bones |
| Which bone forms back of skull? | Occipital bone |
| What bone houses ear canal? | Temporal bone |
| What bone is keystone of cranial cavity? | Sphenoid bone |
| What bone helps form nasal cavity? | Ethmoid bone |
| Opening for spinal cord? | Foramen magnum |
| Ear canal opening? | External acoustic meatus |
| Muscle attachment behind ear? | Mastoid process |
| Jaw articulation on temporal bone? | Mandibular fossa |
| What process connects to cheek bone? | Zygomatic process |
| Plate that allows smell nerve passage? | Cribriform plate |
| Projection for meninges attachment? | Crista galli |
| Plate forming nasal septum? | Perpendicular plate |
| Upper nasal filter structure? | Superior nasal concha |
| Middle nasal filter structure? | Middle nasal concha |
| What bone connects arm to sternum? | Clavicle |
| What bone forms shoulder blade? | Scapula |
| Socket for humerus? | Glenoid cavity |
| Process for muscle attachment on scapula? | Coracoid process |
| Upper arm bone? | Humerus |
| Attachment for deltoid muscle? | Deltoid tuberosity |
| Rounded humerus head fits into what cavity? | Glenoid cavity |
| Bone that articulates with capitulum? | Radius |
| Bone that articulates with trochlea? | Ulna |
| Lateral forearm bone? | Radius |
| Medial forearm bone? | Ulna |
| Elbow projection? | olecranon process |
| What fits into olecranon fossa? | Olecranon process |
| How many carpal bones exist? | 8 |
| Largest carpal bone? | Capitate |
| Carpal that articulates with the thumb? | Trapezium |
| Pea-shaped carpal? | pisiform |
| How many metacarpals? | 5 |
| What are finger bones called? | Phalanges |
| How many phalanges per hand? | 14 |
| Which finger lacks middle phalanx? | Thumb (pollex) |
| How many pelvic bones? | 2 |
| Another name for pelvic bone? | Coxal bones |
| Three bones forming coxal bone? | Ilium, ischium, pubis |
| Bones in upper limbs? | 60 |
| Bones in lower limbs? | 60 |
| Bones in pectoral girdle? | 4 |
| Bones in pelvic girdle? | 2 |
| Total bones in skeleton? | 206 |