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The fetal skull. 10 2 6. 8. 5. Crista galli Palatine Process of Maxilla Sella turcica Frontal Sinus Perpendicular Plate of Ethmoid Sphenoidal Sinus Vomer Occipital Bone Parietal Bone - Palatine Bone

The fetal skull. 10 2 6. 8. 5. Crista galli Palatine Process of Maxilla Sella turcica Frontal Sinus Perpendicular Plate of Ethmoid Sphenoidal Sinus Vomer Occipital Bone Parietal Bone - Palatine Bone

Human Anatomy & Physiology (11th Edition)
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 Fetal Skull: Anatomical Diagram and Labels** This anatomical diagram of the fetal skull provides insight into the various bones and structures that compose it. Below are detailed descriptions and labels corresponding to the numbered parts of the skull: 1. **Crista galli** - A vertical projection of the ethmoid bone, which serves as an attachment point for brain membranes. 2. **Frontal Sinus** - Located within the frontal bone, these air-filled cavities are part of the sinus system. 3. **Occipital Bone** - The bone at the back and base of the skull, contributing to the cranial cavity. 4. **Palatine Bone** - These bones contribute to the structure of the nasal cavity and the hard palate. 5. **Palatine Process of Maxilla** - Part of the maxillary bone aiding in forming the palate. 6. **Perpendicular Plate of Ethmoid** - A thin, flattened plate of the ethmoid bone forming part of the nasal septum. 7. **Parietal Bone** - A bone forming the sides and roof of the cranium. 8. **Vomer** - A bone forming part of the nasal septum. 9. **Sella turcica** - A saddle-shaped depression in the sphenoid bone that holds the pituitary gland. 10. **Sphenoidal Sinus** - Air-filled spaces within the sphenoid bone. The colors on the diagram help differentiate the various bones and regions, promoting a better understanding of their locations and their roles in skull anatomy.
Transcribed Image Text:**The Fetal Skull: Anatomical Diagram and Labels** This anatomical diagram of the fetal skull provides insight into the various bones and structures that compose it. Below are detailed descriptions and labels corresponding to the numbered parts of the skull: 1. **Crista galli** - A vertical projection of the ethmoid bone, which serves as an attachment point for brain membranes. 2. **Frontal Sinus** - Located within the frontal bone, these air-filled cavities are part of the sinus system. 3. **Occipital Bone** - The bone at the back and base of the skull, contributing to the cranial cavity. 4. **Palatine Bone** - These bones contribute to the structure of the nasal cavity and the hard palate. 5. **Palatine Process of Maxilla** - Part of the maxillary bone aiding in forming the palate. 6. **Perpendicular Plate of Ethmoid** - A thin, flattened plate of the ethmoid bone forming part of the nasal septum. 7. **Parietal Bone** - A bone forming the sides and roof of the cranium. 8. **Vomer** - A bone forming part of the nasal septum. 9. **Sella turcica** - A saddle-shaped depression in the sphenoid bone that holds the pituitary gland. 10. **Sphenoidal Sinus** - Air-filled spaces within the sphenoid bone. The colors on the diagram help differentiate the various bones and regions, promoting a better understanding of their locations and their roles in skull anatomy.
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The human skull is part of the skeletal system. It forms a cavity in which the brain lies in which the brain is located and protected. It also has structures of the face. The skull can be primarily divided into two parts called the cranium and the mandible. The bones that form the head and the facial bones are called the cranium. The mandible is a large bone that forms the lower jaw.

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