Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
VERTEBRAE
anatomy lab
| Term | Definition |
|---|---|
| Vertebrae | individual bones that when joined together form the vertebral column |
| body | the large, tickened portion; each successive vertebrae line on top of one another and form the most anterior aspect of the vertebral column; used to identify the anteriuor side of each vertebrate; on posterior side should identify a bony process that sticks out |
| spinous process | bony process that sticks out on the most posterior side of the vertebrate; angledin the inferior direction; can be utilized to determine the superior and inferior sides of each vertebrate |
| vertebral foramen | a large hole located between the vertebral body and the spinous process |
| transverse processes | the most lateral projections of each vertebrate; the size and shape may vary between vertebrae |
| pedicle | the region of bone located between teh transverse processes and the vertebral body marking the lateral boundary of the vertebral coramen |
| lamina | the region of bone located between the transverse process and the spinous process; form the posterior-lateral wall of the vertebral foramen |
| articular processes | small projections of teh bone with facets that will join the articular facets of the adjacent vertebrate above and below ; can be found just posterior and lateral to the vertebral bodies |
| facets | smooth surfaces |
| superior articular facets | two articular processes with facets found on superior side of the vertebrate; had deeper groove to them than the inferior articular facets |
| inferior articular facets | two articular processes found on the inferior side of the vertebrate |
| cervical vertebrae | located within the neck; most superior in the vertebral column and extend from the base of the skull down to the level of the shoulders; easily identified by thgeir transverse foramen and smaller bodies |
| transverse foramen | holes located within the transverse processes situated laterally within the vertebrate; very important artery courses through these holes. |
| 1st cervical vertebrate | cervical vertebrae that is shaped differently and plays a great role in the movement of the head; easily identified by the lack of a vertebral body and spinous process; |
| atlas | 1st cervical vertebrae; has an anterior arch and a posterior arch |
| anterior arch | smaller arch of the atlas |
| posterior arch | larger arch of the atlas |
| 2nd cervical vertebrate | easily identified by the bony projection that protrudes superiorly off the body |
| axis | the second cervical vertebrate |
| dens | the bony projection from the body |
| thoracic vertebrae | located just below the cervical vertebrae and extend from the level of the shoulders down to the level of the middle back; vary in size and shape with the most superior (T1) being the smallest, and the most inferior (T12) being the largest. |
| costal facets | identifiers for thoracic vertebrae; on the transverse processes and vertebral bodies; small smooth surfaces found on the anterior side of the transverse processes; should also be two smooth grooves found on the most posterior aspect of the vertebral bodies --> location where the ribs will join with the thoracic vertebrae |
| lumbar vertebrae | located blow the thoracic vertebrae and extend from the middle of the back down to the level of the hips; the largest of the individual vertebrae and easily identified by thgeir large vertebral bodies and resemblance of a moose when viewing them from the posterior side (check for presence of coastal facets or not to determine difference between this and other vertebrae) |
| sacrum | was at one time 5 individual vertebrae and fused into one large whole Large triangular shaped bone with the wider end being the most superior end and the point of the triangle is the most inferior end; has a curve to it, with the inside of the curve facing the anterior side (smoother side) the thicker portion along the midline of the sacrum was once the individual bodies of the vertebrae and make up the anterior side |
| sacral promontory | the most anterior projection at midline, along the superior border of the anterior side |
| sacral canal | a large circular shaped passageway found coursing from superior to inferior along the posterior side of the sacrum; continuation of the vertebral canal |
| sacral foramina | pairs of smaller holes located just lateral to the midline |
| auricular surfaces | two large rough surfaces on the sacrum's lateral sides |
| coccyx | was once 4 individual tiny coccygeal bones that fused into one coccyx; commonly known as the tailbone; it does not contian any typical vertebral features |
| primary curvatures | present during fetal development at the time of birth; at this time the spine forms one large C-shaped curvature, curved in teh direction of anterior; the thoracic and sacral curvatures make up this |
| secondary curvatures | formed later during development due to increasing muscular abilities; cervical and lumbar curvatures. Due to developing the ability to holding the head up --> first get the curvature that bends the opposite way (curved towards the posterior) once we develop the ability to stand and walk then we get the lumbar curvature (curved towards the posterior) |
Created by:
Shannona3
Popular Anatomy sets