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Skeletal bones cpc

a&p

QuestionAnswer
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