Week 3
How many thoracic vertebrae are there?
12
The typical number of bones in the adult skeleton is----- (use a numerical value).
206
There are _____ intervertebral discs.
23
The vertebral column (spine) consists of _____ vertebrae with intervertebral discs of fibrocartilage between most of them.
33
How many cervical vertebrae are there?
7
The vertebral column consists of ______ cervical vertebrae.
7
Which feature is unique to the thoracic vertebrae?
Costal facets
process
any bony prominence
The bones of the upper and lower limbs, the pectoral girdle, and the pelvic girdle form the ----- skeleton.
appendicular
The first cervical vertebra (C1) is also called the .
atlas
The rough, ear-shaped surface on each side of the sacrum that articulates with the ilium is the _____ surface.
auricular
Vertebra C2, which allows for rotation of the head, is also known as the .
axis
The PART of a vertebra that is a mass of bone acting as the weight-bearing portion of the vertebra is the .
body
The weight bearing portion of the vertebra is the _____.
body
A tubular passage or tunnel through a bone is a .
canal
Identify the term for a bone marking that is a tubular passage or tunnel through a bone.
canal
The feature that is unique to the body of the thoracic vertebrae are the ---- facets
costal
The axis (C2), has a distinctive and prominent anterior knob called the _____.
dens
There are _____ lumbar vertebrae.
five
A round hole through a bone that allows passage for nerves and blood vessels is called a _____.
foramen
A sharp, slender, or narrow process is called a .
foramen
Within the vertebral column, a cartilagenous pad consisting of an inner gelantinous nucleus surrounded by a ring of fibrocartilage is called the disc.
intervertebral
The type of vertebrae that have a thick stout body, and blunt square spinous processes are the _____ vertebrae.
lumbar
An opening into a canal is called a .
meatus
Identify the term for a bone marking that is an opening into a canal.
meatus
Identify the term that describes any bony prominence.
process
Thoracic vertebrae have unique structures to articulate with _____.
ribs
A space or cavity within bone is called a
sinus
A sharp, slender, or narrow process is called a .
spine
Identify the term for a bone marking that is a sharp, slender, or narrow process; it is also considered a very high ridge.
spine
A groove for a tendon, nerve, or blood vessel is called a .
sulcus
Identify the term for a bone marking that is a groove for a tendon, nerve, or blood vessel.
sulcus
The foramen that are unique to the cervical vertebrae, and not found in the thoracic or lumbar vertebrae are the foramen.
transverse
Name one structure that is unique to the cervical vertebrae.
transverse foramen
The spaces in all cervical vertebrae that provide passage for the vertebral arteries are the _____ foramen.
transverse foramen
A small, rounded process is called a .
tubercle
Identify the term for a bone marking that is a small rounded process that allows for attachment of tendons or ligaments.
tubercle
A rough surface is called a
tuberosity