Question

true or false:

1-The connection between the gums and lips is called the lingual frenulum.

2- The connection between the gums and lips is called the labial frenulum

3- The Myenteric nerve plexus is found in the middle of the muscularis externa layer of the alimentary canal.

Answer 1

1- The lingual frenulum is a fold of mucus membrane which is located under the center portion of the tongue. It helps in anchoring of tongue in the mouth.

The connection between the gums and lips is called the lingual frenulum -- False.

2- The labial frenulum is the soft tissue which attaches the upper lip to the upper part of gums.

The connection between the gums and lips is called the labial frenulum -- True.

3- Myenteric nerve plexus or Auerbachs plexus is located between the circular and longitudinal smooth muscle layers of the muscularis externa.

The Myenteric nerve plexus is found in the middle of the muscularis externa layer of the alimentary canal.-- True.