Mammalian Anatomy HW#--Joints and Nerves

1. What does the capitulum of the humerus articulate with?
Head if radius

2. Which of the following functional and structural characteristics are found together?
Synovial and diarthroses
**Based on function, joints can be divided into syntharthroses, amphiarthroses, and diarthroses
Synarthrosis joints include fibrous joints
Amphiarthrosis include cartilaginous joints
Diarthrosis joints include synovial joints

3. What type of joint has no movement?
Synarthrosis
**Diarthrosis -- joint that can move freely in various planes
Synarthrosis -- immovable joint in which two bone are connected rigidly by fibrous tissue
Amphiarthrosis -- slightly movable joint in which the surfaces of bones are connected by ligaments or cartilages

4. Where are bipolar neurons located?
Retina of the eye, inner ear, and the olfactory epithelium in the nasal cavity

5. Which of the following types of neurons serves as motor neurons for voluntary and involuntary movements?
Multipolar neurons

6. White matter contains mostly myelinated nerve fibers, whereas gray matter contains mostly unmyelinated nerve fibers