What are pectoral appendages?
The anterior appendages, the pectoral fins or forelimbs, articulate with the pectoral girdle. The pectoral girdle is situated just behind the gill region in fish and in a comparable position at the junction of the neck and thorax in land vertebrates.
Which is a part of pectoral?
The pectoral girdle consists of the two bones that make up your shoulder: clavicle, or collarbone. scapula, or shoulder blade.
What is a pectoral bone?
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 is pectoral girdle of frog?
Two types of pectoral girdles occur among frogs. Arciferal girdles have overlapping epicoracoid cartilages; in firmisternal girdles the epicoracoid cartilages are fused along the ventral midline.
What are the appendages of the skeletal system?
The bones of the appendicular skeleton make up the rest of the skeleton, and are so called because they are appendages of the axial skeleton. The appendicular skeleton includes the bones of the shoulder girdle, the upper limbs, the pelvic girdle, and the lower limbs.
What is the function of cleithrum?
In modern fishes, the cleithrum is a large bone that extends upwards from the base of the pectoral fin and anchors to the cranium above the gills, forming the posterior edge of the gill chamber. The bone has scientific use as a means to determine the age of fishes. The lobe-finned fishes share this arrangement.
Where is the glenoid fossa?
shoulder joint
The glenoid fossa is the socket of the shoulder joint. This part of the shoulder is a ball and socket joint. The head of the Humerus fits into the Glenoid fossa, though it is a shallow socket.
What are the 3 vital organs protected by a skeleton?
The brain, heart, lungs and spinal cord are all vital organs that have direct protection from the skeletal system.
What is the longest bone in the human body?
femur bone
The femur bone is the longest and strongest bone in the body. Located in the thigh, it spans the hip and knee joints and helps maintain upright posture by supporting the skeleton. 2.
What is pectoral girdle of rabbit?
Pectoral Girdle: It consists of two separate halves placed dorsal to the anterior thoracic ribs in between the forelimbs, it supports forelimbs and protects the soft parts of the body from the ventral side.
Which type of joints are found in pelvic and pectoral girdle of frog?
The pelvic girdle has a depression at the junction of the three bones. It is termed as acetabulum into which the head femur of the hind limb articulates and forms a ball and socket joint.