Cleft-Leaders Project Flashcards
When does the lip & alveolus begin to develop in utero?
6-7 weeks of gestation
Development starts at the _____ ______
incisive foramen
When does the hard palate develop?
Begins at 8-9 weeks of gestation
When is the velum & uvula formed?
12 weeks gestation
Which muscle opens & closes the Eustachian Tube?
Tensor Veli Palatini
Why do kids with Cleft Palate often have conductive hearing loss?
Because their Tensor Veli Palatini muscle is displaced.
Which is the primary muscle in soft palate closure?
The Levator Veli Palatini lifts up & back in the soft palate to close against the PPW (posterior pharyngeal wall)
The point in palate from which lips fuse and from which the palate fuses is called the _______ ________
Incisive Foramen
Palate closes from incisive foramen toward the ________
Palate closes from incisive foramen toward the back (toward PPW)
Alveolus/ lips close from the incisive foramen toward the _____
Front/ towards the lips
How does the velum move?
Up & Back against the PPW for closure.
How do the Lateral Pharyngeal walls move? Which muscle?
From the sides, inwards; Superior Pharyngeal Constrictor muscle
Which muscle pulls the velum down?
Glossopalatini or palatoglossus
Which muscle is important in swallowing and may/ may not have a role in VP closure?
Palatopharyngeus
________ is the cartilage between tip of nose and face
Columella
_____ is the depression between the 2 seams
Philtrum (“love charm”)
3 characteristics of submucous cleft?
- Bifid Uvula
- Zona pellucida (bluish area in middle of velum)
- Notch in posterior border of hard palate
Another type of hidden cleft is called…
occult cleft– But, the only way to see that is through a nasoendoscopy exam, where you put the camera on the tube with a light, up through the nose to see if there’s a clefting.
You look above to see if the clefting is in the nasal mucosa, through that way
Muscle responsible for the velum to move upward and back, so it moves like a sling: up and back.
Levator veli palatini—- With a child with a cleft palate, the sling didn’t fuse and so it’s open, and so the child’s not going to have that proper movement in order to achieve velopharyngeal closure
the muscles that are involved with the LPW- lateral pharyngeal walls, so that they can move inward
Superior pharyngeal constrictors.
Muscle which contracts during phonation and creates that bulge in the velum
Musculus uvulae
Muscle which depresses the velum.
Palatoglossus muscle
muscle is responsible for the opening and closing of the eustachian tubes for middle ear drainage.
Tensor veli palatini
Why children with clefts have hearing issues?
So, it’s an important muscle because a lot of children with cleft palate, their hearing may be affected because that muscle is not inserted in the right place.