Skeletal System Flashcards
The two groups of skull bones.
Facial and cranial.
Bones that surround and protect the brain.
Cranial bones.
Bones that are included in the skull, but do not surround the brain.
Facial bones.
List the cranial bones.
Frontal, Parietal, Temporal, Occipital, Sphenoid, and Ethmoid.
List the facial bones.
Maxilla, Mandible, Zygomatic, Nasal, Palatine, Lacrimal, Vomer, Inferior Nasal Conchae.
The proper name for the jaw bone.
Mandible
Bones from which teeth grow.
Mandible and Maxilla
Bones that make up the hard palate.
Maxilla and Palatine
Bones that make up the nose.
Nasal, Ethmoid, Inferior Nasal Conchae, Vomer
The proper name for the cheek bones.
Zygomatic
Bones named for their location near the glands that form tears.
Lacrimal
Bones named for having a spiral shape, like a snail’s shell.
Inferior Nasal Conchae (a conch is a large snail).
The proper name for bones of the spine.
Vertebrae
Spinal bones in the neck.
Cervical Vertebrae
Spinal bones attached to ribs.
Thoracic Vertebrae
Spinal bones between the ribs and the hips.
Lumbar Vertebrae
Spinal bones within the hips.
Sacral Vertebrae
The first cervical vertebra (C1).
The Atlas
The C2 vertebra.
The Axis
The proper name for the tailbone.
Coccyx
The bone at the base of the tongue, which is the only bone not attached to another bone.
Hyoid
The bones of the inner ear (as a group).
Auditory Ossicles
Name the auditory ossicles in both Latin and English.
Malleus (Hammer)
Incus (Anvil)
Stapes (Stirrup)
The proper name for the collar bones.
Clavicles
The proper name for a shoulder blade.
Scapula (plural = scapulae)
The proper name for the breastbone.
Sternum
The superior part of the sternum that attaches to the clavicles.
Manubrium
The main portion of the sternum that attaches to ribs.
Body of the sternum.
The inferior tip of the sternum.
Xyphoid Process
The proper name for a rib.
Costa (plural = costae)
The superior ribs that are attached individually to the sternum.
True Costae
Ribs that join together, then attach as a group to the sternum.
False Costae
The posterior ribs that do not join the sternum.
Floating Costae
The proper name for the upper arm bone.
Humerus
The proper names for the forearm bones.
Radius & Ulna
Compare the positions of the radius and ulna.
The radius is on the thumb side of the hand, the ulna is on the little finger side. (In anatomical position, with the palm facing forward, the radius is lateral, and the ulna is medial).
Describe what happens to the positions of the radius and ulna when the hand is rotated.
When the palm is facing forward in anatomical position, the radius and ulna are parallel to each other. When the hand is rotated so that the palm is backward, the radius and ulna cross in an X.
The proper name for the wrist bones.
Carpals
The proper name for the hand bones.
Metacarpals