The vertical furrow in the cheek that is posterior to the mouth is known as the: A. transverse frontal sulcus B. bucco-facial sulcus C. platysmal sulcus D. labial sulcus

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The vertical furrow in the cheek that is posterior to the mouth is known as the:

A. transverse frontal sulcus

B. bucco-facial sulcus

C. platysmal sulcus

D. labial sulcus 

Expert Solution
Step 1

The region below the eyes but above the jawline is referred to as the cheeks. Between the nose and the ears are the cheeks. Many muscles, fat pads, glands, and tissues make up the cheeks. Human cheeks are fleshy, with the skin hanging by the chin and jaws and creating the lateral wall of the human mouth, which is visible beneath the eye. A mucous membrane lines the inside of the cheek (buccal mucosa, part of the oral mucosa).

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