What are the main functions of the appendicular skeleton?
Appendicular Skeleton:
- (1) Femur: It is the longest bone of the body and the only bone in the thigh. ...
- (2) Tibia: It is the second-largest and strongest bone of the body; it is also the main weight-bearing bone of the body. ...
- (3) Fibula: It is shorter and thin and attaches muscles of feet and toes It is lateral to tibia. ...
- (4) Patella: This bone is also known as the kneecap. ...
What are the major parts of the appendicular skeleton?
- Scaphoid
- Lunate
- Triquetrum
- Pisiform
- Trapezium
- Trapezoid
- Capitate
- Hamate
What are the appendicular regions of the body?
Two primary terms are used to describe the main regions of the body: The Axial Region makes up the main axis of the human body and includes the head, neck, chest, and trunk. The Appendicular Region makes up the parts of the human body that connect to the axial region. This includes the limbs and appendages.
How many bones are in the appendicular skeleton?
The appendicular skeleton of 126 bones and the axial skeleton of 80 bones together form the complete skeleton of 206 bones in the human body. Unlike the axial skeleton, the appendicular skeleton is unfused. This allows for a much greater range of motion.
What is appendicular in medical terms?
Medical Definition of appendicular : of or relating to an appendage: a : of or relating to a limb or limbs the appendicular skeleton.
What is axial and appendicular skeleton?
Your axial skeleton is made up of the bones in your head, neck, back and chest. Your appendicular skeleton is made up of everything else — the bones that attach (append) to your axial skeleton. Your appendicular skeleton includes the bones in your shoulders, pelvis and limbs, including your arms, hands, legs and feet.
What does axial mean in anatomy?
The word "Axial" is taken from the word "axis" and refers to the fact that the bones are located close to or along the central "axis" of the body. The term axis means the central point around which the other structures are distributed.
What is the appendicular skeleton for?
The organization of the appendicular system Of the 206 bones in the human skeleton, the appendicular skeleton comprises 126. Functionally it is involved in locomotion (lower limbs) of the axial skeleton and manipulation of objects in the environment (upper limbs).
What is appendicular skeleton example?
The appendicular skeleton includes the bones of the shoulder girdle, the upper limbs, the pelvic girdle, and the lower limbs.
What are the 7 axial bones?
Vertebral ColumnCervical vertebrae (7)Thoracic vertebrae (12)Lumbar vertebrae (5)Sacrum (1)Coccyx (1)
How many bones are there in appendicular?
126 bonesOf the 206 bones in the adult human body, a total of 126 bones form the appendicular skeleton. The bones that contribute to the appendicular skeleton include the bones of the hands, feet, upper extremity, lower extremity, shoulder girdle, and pelvic bones.
What is the example of axial?
The axial skeleton includes the bones that form the skull, laryngeal skeleton, vertebral column, and thoracic cage.
What is the difference between the axial and appendicular muscles?
Axial muscles originate on the axial skeleton (the bones in the head, neck, and core of the body), whereas appendicular muscles originate on the bones that make up the body's limbs.
Is skull part of appendicular skeleton?
The axial skeleton consists of the braincase (cranium) and the backbone and ribs, and it serves primarily to protect the central nervous system. The limbs and their girdles constitute the appendicular skeleton.
Which muscle extends from one part of the auricle to another?
2. the intrinsic auricular muscles that extend from one part of the auricle to another, including the helicis major, helicis minor, tragicus, antitragicus, transverse auricular, and oblique auricular muscles. See appendix 3-4. cruciate muscle a muscle in which the fiber bundles are arranged in the shape of an X.
What are the muscles that bend a limb called?
This is made possible by the motor and sensory nerves which serve the muscles. Muscles enable the body to perform different types of movement. Those that bend a limb at a joint, raising a thigh or bending an elbow, are called flexors. Those that straighten a limb are called extensors.
What are muscles attached to?
Some muscles are attached to bones by tendons. Others are attached to other muscles, or to skin (producing the smile, the wink, and other facial expressions, for example). All or part of the walls of hollow internal organs, such as the heart, stomach, intestines, and blood vessels, are composed of muscles.
What is the name of the muscle that counteracts the action of another?
Called also agonist. antagonistic muscle one that counteracts the action of another (the agonistic muscle ). Called also antagonist. appendicular muscle one of the muscles of a limb. articular muscle one that has one end attached to the capsule of a joint. auricular m's.
appendicular skeleton
A term that dignifies the bones of appendages (extremities), including those of the shoulder girdle, upper extremity, pelvis and lower extremities.
appendicular skeleton
The bones of the shoulder girdle and arms and of the pelvic girdle and legs. Compare AXIAL SKELETON.
appendicular skeleton
the part of the skeleton attached to the vertebral column, i.e. the limbs or fins.
What is the appendicular skeleton?
A human body without mobility is like a living statue. The appendicular skeleton is part of a human skeleton consisting of the bones that support the appendages. The appendicular skeleton consists of skeletal elements within ...
What are the different parts of the appendicular skeleton?
Appendicular Skeleton: Appendicular Skeleton: The different components of the appendicular skeleton are as follows: Pectoral girdle. Pelvic girdle. The Upper limbs or forearm. The lower limbs or hindlimb. Pectoral girdle: The pectoral girdle is a set of bones that connects the upper limbs to the axial skeleton on each side.
What is the pectoral girdle?
Pectoral girdle: The pectoral girdle is a set of bones that connects the upper limbs to the axial skeleton on each side. It is also known as the shoulder girdle. The human body consists of two major bones, the clavicle and scapula. (1) The Clavicles:
How many bones are in the appendicular skeleton?
The appendicular skeleton consists of two girdles, the pectoral girdle and the pelvic girdle. This includes the bones of upper and lower limbs. It consists of 126 bones. It allows us to move and manipulate objects.
What is the role of the axial skeleton in the body?
1. It supports and protects the soft vital organs of the abdominal cavity. 2. It transfers the weight of the upper axial skeleton to lower appendicular parts especially during body movement. 3. It provides attachment to the lower limbs. The Upper Limbs. 1. It helps in the hand movement to perform various activities.
Which part of the human body is responsible for the movement of the upper limbs?
The appendicular skeleton keeps a human body in motion and helps in performing daily activities. This part of the skeleton system comprises of bones of the upper limbs (movement of forearms and shoulders), lower limbs (helps in motion), pectoral girdle (support the upper limbs), pelvic girdle ...
What are the bones of the lower limb?
The lower limb consists of the following bones: femur, tibia, fibula, patella, tarsals, metatarsals, and phalanges. (1) Femur: It is the longest bone of the body and the only bone in the thigh. It is present in the lower limb between the hip and the knee joint. There are two femurs, i.e. one on each leg.
What is the Appendicular Skeleton?
The human body is comprised of roughly 206 to 213 different bones. These bones represent the skeleton, a structure that enables us to move and provides protection to the body's internal organs. To better understand the function and anatomy of these different bones, the human skeleton is divided into two groups: the axial and appendicular skeletons.
Appendicular Skeleton Function
The primary functions of the appendicular skeleton are to facilitate movement and provide shape to our limbs, or arms and legs. Like the axial skeleton, however, the bones of the appendicular skeleton also possess many other functions.
What Makes Up the Appendicular Skeleton?
The appendicular skeleton consists of the bones of the upper limbs, or arms, and the lower limbs, or legs. The bones connecting the arms and legs to the torso at the rib cage, including the shoulder girdle and pelvis, also represent parts of the appendicular skeleton.
What is the meaning of "appendix"?
1. An appendage or appendixlike structure. 2. A wormlike intestinal diverticulum extending from the blind end of the cecum; it varies in length and ends in a blind extremity. Synonym (s): appendix vermiformis [TA], appendix ceci, processus vermiformis, vermiform appendage, vermiform appendix, vermiform process, vermix.
What is an appendix?
appendix. [ ah-pen´diks] (pl. appen´dices, appendixes) ( L.) 1. a slender outgrowth or appendage. 2. a small appendage near the juncture of the small intestine and the large intestine (ileocecal valve). An apparently useless structure, it can be the source of a serious illness, appendicitis.
Why are the caecum and appendix important?
In herbivores the caecum and appendix are important, containing bacteria which facilitate the digestion of cellulose. In humans and other non-herbivores the caecum and appendix have no function. The appendix can become infected and must be removed surgically (appendectomy) if in this condition.
What is appendicitis caused by?
A. Appendicitis is caused by an infection of the appendix, usually from bacterias that are already located in the abdomen. It is not a situation that can be avoided and can occur in a high prevalence in the population. This content is provided by iMedix and is subject to iMedix Terms.
What is a wormlike intestinal diverticulum?
A wormlike intestinal diverticulum extending from the blind end of the cecum; it varies in length and ends in a blind extremity. [L. appendage, fr. ap-pendo, to hang something on] Medical Dictionary for the Health Professions and Nursing © Farlex 2012.