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Ch. 11 The Muscular System
Martini - Fundamentals of Anatomy & Physiology 11th Edition
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoMartini, Nath, Bartholomew 11th EditionCh. 11 The Muscular SystemProblema 7
Capitolo 11, Problema 7

The strongest masticatory muscle is the
(a) Pterygoid
(b) Masseter
(c) Temporalis
(d) Mandible

Guida verificata passo dopo passo
1
Step 1: Understand the question is asking about the strongest masticatory muscle, which is a muscle involved in chewing.
Step 2: Review the options given: (a) Pterygoid, (b) Masseter, (c) Temporalis, and (d) Mandible. Note that the mandible is a bone, not a muscle, so it can be excluded.
Step 3: Recall the functions and characteristics of the muscles involved in mastication: the masseter, temporalis, and pterygoid muscles all contribute to chewing movements.
Step 4: Identify which muscle is known for its strength and primary role in elevating the mandible to close the jaw, which is the masseter muscle.
Step 5: Conclude that the masseter is considered the strongest masticatory muscle based on its size, position, and function.

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Masticatory Muscles

Masticatory muscles are the group of muscles responsible for chewing movements. They include the masseter, temporalis, and pterygoid muscles, each contributing to jaw movement and force generation during mastication.
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Introduction to Muscles and Muscle Tissue Example 1

Masseter Muscle

The masseter is a thick, powerful muscle located at the side of the jaw. It plays a major role in elevating the mandible (closing the jaw) and is considered the strongest muscle based on its ability to exert force during chewing.
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Introduction to Muscles and Muscle Tissue Example 1

Temporalis and Pterygoid Muscles

The temporalis muscle assists in elevating and retracting the mandible, while the pterygoid muscles help in side-to-side movements and protrusion of the jaw. Both are important for complex jaw motions but are generally less powerful than the masseter.
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Introduction to Muscles and Muscle Tissue Example 1
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