Parietal Bone: Definition, Anatomy, and Function
Definition The parietal bone or os parietale is a paired, flat cranial bone that covers the mid portion of the skull. Both bones cover the left …
Definition The parietal bone or os parietale is a paired, flat cranial bone that covers the mid portion of the skull. Both bones cover the left …
Definition The paranasal sinuses are four pairs of hollow cavities in the facial and cranial bones. They are located at the center of the face, surrounding …
Read moreParanasal Sinuses: Definition, Anatomy, Function & Disease
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 …
Read morePalatine Bone: Definition, Location, Anatomy, Function
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 …
Read moreOblique Muscle: Definition, Location, Group & Strain
Definition The medulla oblongata is part of the autonomous central nervous system that directly connects the brainstem with the spinal cord. Medulla is Latin for middle; oblongata …
Read moreMedulla Oblongata: Definition, Location, and Function
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 …
Read moreMedian Nerve: Definition, Anatomy, Distribution & Injury
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, …
Read moreMaxilla Bone: Definition, Location, Anatomy, & Type
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 …
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 …
Read moreLacrimal Bone: Definition, Location, Anatomy, & Function
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 …