Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

7. The Skeletal System

The Skull

Anatomy & Physiology

7. The Skeletal System

The Skull

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3:27 minutes

Problem 5

Textbook Question

The joint between the frontal and parietal bones is correctly called the ____ suture.
(a) Parietal
(b) Lambdoid
(c) Squamous
(d) Coronal

Verified step by step guidance

Step 1: Understand the anatomy of the skull. The frontal bone is located at the front of the skull, forming the forehead, while the parietal bones are located on the sides and top of the skull.

Step 2: Review the definition of a suture. A suture is a type of immovable joint found between the bones of the skull, where the bones are tightly connected by fibrous tissue.

Step 3: Learn the names and locations of the major sutures in the skull. The coronal suture is the joint between the frontal bone and the parietal bones. The lambdoid suture is located between the parietal bones and the occipital bone. The squamous suture is found between the parietal bone and the temporal bone.

Step 4: Match the correct suture name to the location described in the question. Since the question asks for the suture between the frontal and parietal bones, the correct answer corresponds to the coronal suture.

Step 5: Confirm your understanding by visualizing or referencing a diagram of the skull to ensure the coronal suture is indeed the joint between the frontal and parietal bones.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Cranial Sutures

Cranial sutures are fibrous joints that connect the bones of the skull. They allow for slight movement during birth and growth, accommodating the expanding brain. Understanding the specific names and locations of these sutures is essential for identifying the relationships between different cranial bones.

Frontal and Parietal Bones

The frontal bone forms the forehead and the upper part of the eye sockets, while the parietal bones are located on the sides and roof of the skull. The joint between these two bones is significant in cranial anatomy, as it plays a role in protecting the brain and supporting facial structure.

Coronal Suture

The coronal suture is the fibrous joint that connects the frontal bone to the parietal bones. It runs horizontally across the skull, from ear to ear, and is crucial for understanding the overall structure of the skull. Identifying this suture helps in distinguishing it from other sutures like the lambdoid or squamous sutures.