What are the two types of non-synovial cartilagenous joints?
Synchondrosis and Symphysis
Explain how synchondrosis joints are formed and give an example of one in the skull.
They're formed by hyaline cartilege - type II colagen connective tissue. The cartilege appears in the growing phase and is then replaced by ossification or fibrous joint. Example: sphenoethmoidal synchondrosis.
True or false:
1. Symphysis joints don't allow any movement.
2. Symphysis joints can take compression, torsion and tension.
1. False. Think pubic symphysis and how it has to expand when women give birth to let the baby through.
1. What're the three types of non-synovial fibrous joints?
2. Which are non-moveable and which are slightly moveable?
3. Which ones are in the skull?
4. Which one pertains direction to dentists and how?
1. Suture, gomphosis and syndesmosis.
2. Suture and gomphosis are non-movable. Syndesmosis is slightly moveable.
3. Sutures and gomphosis.
4. "Gum"phosis - dentoalveolar joint; joint between tooth and max/mand. Keeps your teeth in your head.
What's a previously studied example of syndesmosis?
Intermembranous ligament between radius and ulna.
1. What's the part of the skull that houses your brain?
2. What part of the skull is decorated with your face?
1. Neurocranieum. (Cranial cavity / brain case.)
2. Visceral cranium.
1. How many bones are in the neural cranium?
2. Is the ethmoid bone paired?
1. How many bones does the visceral cranium have?
2. Is the vomer paired?
The facial nerve enters ________ and exits ___________.
1. Internal acoustic meatus
2. Stylomastoid foramen.
Where are the cell bodies for Cranial Nerve 7?
Facial nerves gives _______ sensations from the anterior ____ of the __________.