Palatine Bone: Definition, Location, Anatomy, Function
Definition The palatine bone or os palatinum is a paired, flat, irregular facial bone. It forms part of the nasal cavity, oral cavity, and orbit …
Oblique Muscle: Definition, Location, Group & Strain
Definition Oblique muscle refers to two abdominal muscles – the external and internal obliques. These provide trunk flexion and rotation. The external oblique is the thickest and …
Medulla Oblongata: Definition, Location, and Function
Definition The medulla oblongata is part of the autonomous central nervous system that directly connects the brainstem with the spinal cord. The medulla is Latin for middle; …
Median Nerve: Definition, Anatomy, Distribution & Injury
Definition The median nerve is a branch of the brachial plexus that innervates the palm and back of part of the hand. This mixed nerve …
Maxilla Bone: Definition, Location, Anatomy, & Type
Definition The maxilla bone or maxillary bone is a fused (paired) bone that provides part or all of the bony structure of the eye sockets, …
Mandible: Definition, Location, and Anatomy
Definition The mandible is the largest bone in the human skull and supports the lower teeth. It is the only mobile bone of the skull and is essential …
Lacrimal Bone: Definition, Location, Anatomy, & Function
Definition The lacrimal bone or os lacrimale is a paired flat craniofacial bone that provides grooves for parts of the lacrimal apparatus (tear production) and …
What is Intrinsic Factor? | Intrinsic Factor
Definition Intrinsic factor is produced by specialized mucosa cells called oxyntic cells located in the stomach lining. It is essential for the uptake of vitamin B12 at the …
In Vivo Experiments: Definition, Overview, and Example
Definition The term in vivo refers to a type of experiment that is carried out within a whole, living organism, such as a plant or animal. In vivo means “within the living” …
Hyoid Bone: Definition, Location, Anatomy & Function
Definition The hyoid bone is the only bony structure in the larynx and the only bone in humans that does not articulate with other bones. …