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Skeletal bones cpc
a&p
| Question | Answer |
|---|---|
| Frontal | forms the forehead and part of nose and bony structure around the eyes, |
| Parietal | forms upper sides of the head close to the ears, & the roof of the cranial cavity |
| Temporal | on the sides of the head close to the ears. (Mastoid process forms part of attachment for some of the neck muscles. External auditory meatus-opening of the outer ear), |
| Occipital | located at the base of the skull (foramen magnum is the large hole in occipital bone allowing the brainstem to extend downward as the spinal cord.) |
| Ethmoid | irregularly shaped that forms the structure of nasal cavity |
| Sphenoid bone | butterfly shaped bone forming sides of the cranium & the orbits surrounding the eyes |
| Maxilla | form the upper jaw carries the upper teeth. Also forms anterior pt of hard palate or roof of mouth. |
| Zygomatic | cheek bones and forms part of orbits of eyes. |
| Palatine | forms the posterior part of hard palate and floor of nasal cavity failure of the 2 palatine bones to fuse results in cleft palate. This makes sucking for infants difficult. |
| Mandible | lower jaw bone carries the lower teeth. The anterior pt forms the chin; it forms the only movable joint in the skull. (Temporo |
| Nasal | forms the bridge of your nose |
| Auditory Ossicles 3 bones | malleus, incus, stapes |
| Know the 4 sinuses | maxillary sinus, frontal sinus, sphenoidal sinus, ethmoidal sinus. |
| Cervical Vertebrae C1-C7 | C1- atlas; it supports the head and allow us to nod “yes.” Named after a Greek god who carried the earth on his shoulders |
| C2 (axis) | - has a projection that fits into the atlas that allows our head to rotate side to side. It allows us to say “no” |
| Thoracic vertebrae T1-T12 | Surrounds and protect the lungs, heart and large bld vessels. Plays a crucial role in breathing. |
| Lumbar vertebrae L1-L5 | ? |
| Sacrum | forms the posterior wall of the pelvis. |
| Coccyx | tailbone; forms the final segment of the vertebral column. Composed of 5 small coccygeal vertebrae to form coccyx. |
| True ribs | top 7 pairs of ribs attached to the sternum. |
| False ribs | ribs 8 |
| Floating ribs | The bottom 2 pairs that lack sternal attachment |
| Sternum | composed of the manubrium, body, & xyphoid process |
| Axial Skeleton | includes the bones of the skull, hyoid bone, bones of the middle ear, vertebral column & thoracic cage. |
| Appendicular Skeleton | composed of the shoulder girdle, pelvic girdle, upper limbs & lower limbs. |
| Clavicle | also called the collarbone. Articulates w/ the sternum and scapula. Stabilizes the shoulder. This bone is most frequently broken. |
| Scapula | called the shoulder blade or wing bone. Articulates w/ scapula & serves as point of attachment for the arm and chest muscles. |
| Glenoid cavity | site where the head of the humerus fits. Allow you to rotate your arm at the shoulder. |
| Acromion | forms the pointy part of the shoulder. |
| Humerus | the long bone on the upper arm; it fits into the glenoid cavity of scapula (olecranon fossa is a depression on the humerus that connects & holds the olecranon process) |
| Radius | one of 2 bones of the forearm. Located thumb side when the palm is facing forward. Its head articulates w/ the humerus and ulna |
| Ulna | 2nd bone of the forearm. The longer of the 2 bones. Located on the little finger side(olecranon process is the bony point of the elbow.) |
| Hand | made up of the carpal bones (wrist), metacarpal bones (palm), phalanges (fingers) |
| Pelvic girdle | Composed of 2 coxal bones that articulate w/ each other anteriorly & w/ the sacrum posteriorly. |
| Pelvis | formed by the pelvic girdle ( 2 coxal bones), sacrum & coccyx. |
| Coxal bone | It is the hip bone. It is made up of the illium (largest part of the bone; connects the back w/ the saccrum), ischium (most inferior part of the coxal bone), & pubis bone ( most amterior part of coxal bone. |
| Ischial spine | Projects into pelvic cavity narrowing the outlet of pelvis.If the ischial spines are too close together then the pelvic outlet may be too small for childbearing. |
| Iliac crest | outer edge of the illium |
| Acetabulum | it receives the head of the femur enabling the thighs to rotate. |
| Symphysis pubis | the 2 pubic bones join together in the front forming this. |
| Greater sciatic notch | site where the blood vessels and sciatic nerve pass. |
| Femur | thigh bone. Lg and strongest bone in the body. Articulates w/ coxal bone to form the hip and w/ the bones of the lower leg to form the knee.greater & lesser trochanter are important structures for the femur b/c they’re pt of attachments for many muscles. |
| Patella | kneecap; articulates w/ the femur & the tibia. |
| Tibia | is the shinbone & articulates w/ the femur at the knee. It is the wt bearing bone of the lower leg |
| Fibula | is the thinner bone positioned laterally alongside the tibia. |
| Foot | calcaneus (heelbone), tarsals, metatarsals, phalanges. |
Created by:
w3ndy
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