What does pectoral and girdle mean?
Pectoral girdle. Your body is comprised of joints, muscles, and structures that connect one bone to the next. A pectoral girdle, also referred to as the shoulder girdle, connects your upper limbs to the bones along the axis of your body.
What part is the pectoral girdle?
Each part of the pectoral girdle consists of a scapula and clavicle. The glenoid cavity is a shallow, pyriform articular surface, which is situated on the lateral angle of the scapula. It articulates with the humerus to shape the shoulder joint. Thus the glenoid cavity is a part of the pectoral girdle.
What is pectoral girdle and pelvic girdle?
The shoulder girdle or the pectoral girdle is a set of 4 bones which connects to the arm on each side. The pelvic girdle consists of two bones: sacrum and the coccyx. In human beings, the pectoral girdle consists of the scapula and the clavicle. The pelvic girdle is located in the lower part of the trunk.
What is girdle in biology?
a bony structure to which the limbs of vertebrates are attached. See PECTORAL GIRDLE, PELVIC GIRDLE.
What is the difference between pectoral and pelvic girdle?
The pectoral girdle stabilizes the upper limbs on the thorax and allows a range of mobility at the shoulder. The pelvic girdle transfers upper body weight to the lower limbs by articulating with the spine.
What is the pectoral girdle in fish?
In a cartilaginous fish, such as the dogfish, the pectoral girdle consists of a U-shaped endoskeletal, cartilaginous, inverted arch with its ends extending dorsally. It consists of endoskeletal structures to which secondary dermal components are added as the result of ossification of dermal elements. …
Is the pectoral girdle a true girdle?
The pectoral girdle is made up of two clavicles and two scapulae which are the anchors that attach the “appendicular” skeleton to the “axial” skeleton. It is considered a true anatomical joint because of its bony articulation between the clavicle and the manubrium of the sternum.
What is the main function of the pelvic girdle?
The pelvis plays important functions in (1) locomotion, as body weight is transmitted to the lower limbs through the pelvic girdle, (2) childbirth, as the human neonate must pass through the birth canal, which lies within the pelvic girdle as the baby exits the body, and (3) support of abdominal organs which are held …
What are the 2 types of girdles and their parts?
Explanation: There are two types of girdles in the human body – (i) the pectoral and (ii) the pelvic girdle. The pectoral girdle is formed by the scapula and the collar bone and is two in number. They are located in the upper axis of the body and are part of the joint of the shoulder.
What is a girdle in anatomy?
Anatomical terms of bone The shoulder girdle or pectoral girdle is the set of bones in the appendicular skeleton which connects to the arm on each side. In humans it consists of the clavicle and scapula; in those species with three bones in the shoulder, it consists of the clavicle, scapula, and coracoid.
What are the example of appendicular?
The appendicular skeleton includes the bones of the shoulder girdle, the upper limbs, the pelvic girdle, and the lower limbs.
Is the pectoral girdle flexible?
There are several differences between the pectoral and pelvic girdle. The pelvic girdle has deep secure sockets for limb attatchment, a pectoral one has a more shallow socket. The pectoral girdle is more flexible, while the other is more weight bearing.