Biology

Spinal Nerve Definition Spinal nerve is any of the nerves that arise in pairs from the spinal cord and form an important part of the…

About Brachial Plexus Definition Brachial plexus is formed by the union of portions of the fifth through eighth cervical spinal nerves and the first thoracic…

Subclavius Muscle Definition Subclavius muscle is a relatively minor muscle located deep within the chest. Subcalvius is a thoracoappendicular muscle; origin, first costal cartilage; insertion,…

Hyaline Cartilage Definition Hyaline cartilage is a type of connective tissue composed of specialized cells in a translucent, pearly blue matrix. Hyaline cartilage thinly covers…

Zooplankton Definition Zooplankton is plankton that consists of tiny animals, such as rotifers, copepods, and krill, and of microorganisms once classified as animals, such as…

Costal Cartilage Definition Costal cartilage is the cartilage forming the anterior continuation of a rib, providing the means by which it reaches and articulates with…

About Thorax Definition Thorax (or Chest) is the part of the body cavity from the neck or head to the abdomen, containing the heart, lungs,…

Upper Limb Definition Upper limb is the area of the skeleton that is able to grasp strike and conduct fine motor skills. It is supported…

About Pelvis Definition Pelvis is the basin-shaped structure in vertebrate animals that joins the spine and lower or hind limbs. In primates, the pelvis is…

Scapula Definition Scapula (or shoulder blade) is the anatomical term for the flat, triangle-shaped bone that makes up a human’s shoulder. Other animals have similar…

Clavicle Definition Clavicle is the only long horizontal bone in the body, it is also called collarbone. The shoulder is the most mobile joint in…

Shoulder Girdle Definition Shoulder Girdle or pectoral girdle is the bony ring, incomplete behind, which serves for the attachment and support of the upper limbs.…