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Ch 15 Cranial Bones
Medical Terminology
| Question | Answer |
|---|---|
| Cranial bones join each other at joints called | Sutures |
| Soft spots on a baby's head | Fontanelles (little fountains) |
| Forms the forehead and the roof of the bony sockets that contain the eyes | Frontal bone |
| the 2 bones (one on each side of the skull) that form the roof and upper part of the sides of the cranium. | Parietal bone |
| 2 bones that form the lower sides and base of the cranium. | Temporal bone |
| Each bone encloses an ear and contains a fossa for joining with the mandible | Temporal bone |
| The area of connection between the temporal and mandibular bones | Temporomandibular joint (TMJ) |
| A round process of the temporal bone behind the ear. | Mastoid process |
| means breast | mast/o |
| This bone projects downward from the temporal bone | Styloid process |
| Means pole or stake | styl/o |
| This bone forms the back and base of the skull and joins the parietal and temporal bones, forming a suture | Occipital bone |
| The inferior portion of the occipital bone has an opening called | foramen magnum |
| Bat shaped bone that extends behind the eyes and forms part of the base of the skull. | Sphenoid bone |
| It joins w/the frontal, occipital and ethmoid bones, it serves as an anchor to hold those skull bones together | Sphenoid bone |
| Means wedge | sphen/o |
| A depression in the sphenoid bone in which the pituitary gland is located | Sella turcica |
| Meaning Turkish saddle | Sella turcica |
| The thin, delicate bone that supports the nasal cavity and forms part of the orbits of the eyes. | Ethmoid bone |
| It is composed primarily of spongy, cancellous bone, which contains numerous small holes | Ethmoid bone |
| Means sieve | ethm/o |
| Cranial bones join each other at joints called | Sutures |
| Soft spots on a baby's head | Fontanelles (little fountains) |
| Forms the forehead and the roof of the bony sockets that contain the eyes | Frontal bone |
| the 2 bones (one on each side of the skull) that form the roof and upper part of the sides of the cranium. | Parietal bone |
| 2 bones that form the lower sides and base of the cranium. | Temporal bone |
| Each bone encloses an ear and contains a fossa for joining with the mandible | Temporal bone |
| The area of connection between the temporal and mandibular bones | Temporomandibular joint (TMJ) |
| A round process of the temporal bone behind the ear. | Mastoid process |
| means breast | mast/o |
| This bone projects downward from the temporal bone | Styloid process |
| Means pole or stake | styl/o |
| This bone forms the back and base of the skull and joins the parietal and temporal bones, forming a suture | Occipital bone |
| The inferior portion of the occipital bone has an opening called | foramen magnum |
| Bat shaped bone that extends behind the eyes and forms part of the base of the skull. | Sphenoid bone |
| It joins w/the frontal, occipital and ethmoid bones, it serves as an anchor to hold those skull bones together | Sphenoid bone |
| Means wedge | sphen/o |
| A depression in the sphenoid bone in which the pituitary gland is located | Sella turcica |
| Meaning Turkish saddle | Sella turcica |
| The thin, delicate bone that supports the nasal cavity and forms part of the orbits of the eyes. | Ethmoid bone |
| It is composed primarily of spongy, cancellous bone, which contains numerous small holes | Ethmoid bone |
| Means sieve | ethm/o |