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A&P Lab 4
Classification & structure of bones
| Term | Definition |
|---|---|
| Skull | Entire head Facial bones Cranial bones |
| Facial Bones | Eyes Nose Mouth |
| Sternum | Middle of the chest |
| Vertebre | Supports Spinal Cord |
| Sacrum | Above tailbone |
| Coccyx | Tailbone |
| Ribs | Rib cages |
| Hyoid Bone | Protects thyroid gland |
| Clavicle | Collar Bone |
| Scapula | Shoulder blade |
| Humerus | Brachial |
| Radius | Antebrachial outside |
| Ulna | Antebrachial Inside |
| Carpals | wrists |
| phalanges | fingers |
| metacarpals | in between phalanges and carpals |
| coxal bone | Hip bone |
| ilium | upper larger part of hip bone |
| Ischium | Smaller lower part of the hip bone |
| Pubis | In between the ischium |
| Femur | Thigh |
| Patella | Knee |
| Tibia | Crural Larger inside bone |
| Fibula | Crural Smaller outside bone |
| Foot: tarsals | ankles |
| Foot: phalanges | toes |
| Foot: metatarsals | in between toes and ankle |
| diaphysis of the bone | middle outside of the bone |
| epiphysis of the bone (2) | 2 ends of the bone proximal epiphysis Distal epiphysis |
| epiphyseal line of the bone | line between proximal epiphysis and diaphysis |
| articular cartilage of the bone | end of bone where bone connects to joint |
| spongy bone | looks like a sponge |
| medullary cavity of the bone | inside of the bone |
| periosteum of the bone | connective tissue surrounding bone |
| perforating fibers of the bone | connects the periosteum to the bone |
| Lamellae | layers of the bone constential lamellae circumferential lamellae |
| Osteon | pillar |
| central Canal | Carries Bone marrow Blood vessels |
| Central arteries | runs in the central canal |
| Canaliculi | Tiny canals going to and from the central canal |
| Lacunae | houses the nucleus ( osteocytes ) |
| Osteocytes | cells |
| Perforating canals | Canals that run from central canals to the medullary cavity |
| Squamous suture | In between temporal & parietal bones |
| Coronal suture | In between frontal & parietal bones |
| Lambdoid suture | In between occipital & parietal bones |
| Sagittal suture | In between parietal bones |
| Ethmoid bone | In between the eyes |
| Frontal bone | Forehead |
| Temporal bone | ears side of head |
| Parietal bone | On top of head; separated in two |
| Occipital bone | Back of the head |
| Sphenoid bone | Temples Behind the eyes |
| Mandible ( edible ,chew ) | Chin |
| Maxilla bone | top lip |
| Palatine bone | Pallete |
| Zygomatic bone | Cheekbone |
| Lacrimal bone | Top sides of nose |
| Nasal bone | nose bone |
| Inferior nasal conchea | Bottom sides of nose |
| Vomer | coming off of top lip |