What are the 3 main components of the axial skeleton?
The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate. It consists of 80 bones and is composed of three parts; skull, vertebral column and the ribs.
What are the major components of the axial skeleton?
The axial skeleton includes the bones that form the skull, laryngeal skeleton, vertebral column, and thoracic cage.
What is the chondrocranium made of?
The chondrocranium in different species can vary greatly, but in general it is made up of five components, the sphenoids, the mesethmoid, the occipitals, the optic capsules and the nasal capsules.
What are the 3 main parts of the axial skeleton quizlet?
Can be divided into three parts: the skull, vertebral column, & the thorax.
What are the 4 major parts of the appendicular skeleton?
The appendicular skeleton includes the bones of the shoulder girdle, the upper limbs, the pelvic girdle, and the lower limbs.
What are the parts of the axial skeleton?
In the human skeleton, it consists of 80 bones and is composed of six parts; the skull (22 bones), also the ossicles of the middle ear, the hyoid bone, the rib cage, sternum and the vertebral column….
| Axial skeleton | |
|---|---|
| Diagram of the axial skeleton | |
| Details | |
| Identifiers | |
| Latin | Skeleton axiale |
What is the function of the chondrocranium?
The chondrocranium is the large single element of the head skeleton (Figure 3.2). It surrounds and provides support for the brain and sense organs. The scoop-like rostrum projects anteriorly and contains the precerebral cavity.
Which bones develop from chondrocranium?
Our description of two anatomical regions of the chondrocranium, the braincase floor cartilages and the cartilages of the pre-occipital lateral wall and roof, and their associations with the early development of the frontal, parietal, basioccipital, and exoccipital bones reveals distinctive patterns in developmental …
What are the parts of the axial skeleton quizlet?
What are the 4 parts of the appendicular skeleton?
It consists of 80 bones and is composed of three parts; skull, vertebral column and the ribs. Subsequently, question is, what is the major function of the axial skeleton?
What is the skull of a chondrichthyan fish called?
The skull of all chondrichthyan fishes is called the chondrocranium and is essentially a cartilaginous box containing the brain and other important sense organs. Although the adult chondrocranium is a single piece of cartilage with definable regions, it is assembled early in embryonic development through the coalescence of separate cartilages.
Where are the bone marrow located in the axial skeleton?
List of Bones of the Axial Skeleton. Spongy Bone: This form of bone is known to be spongy because it becomes more hollow towards the center of the bone. Here, the red bone marrow and the yellow bone marrow are located in the head of the femur and humerus.
What are the parts of the skeletal system?
Besides bones, the skeletal system includes cartilage and ligaments. The skeleton is traditionally divided into two major parts: the axial skeleton, which includes the skull, spine, and rib cage; and the appendicular skeleton, which includes the appendages and the girdles that attach them to the axial skeleton.