Is Megaly a root word?
The combining form -megaly is used like a suffix meaning “irregular enlargement” of an organ or part of the body. It is used in many medical terms, especially in pathology. The form -megaly ultimately comes from the Greek mégas, meaning “great, large.”
What does Chondro mean in medical terms?
cartilage
Chondro- is a combining form used like a prefix meaning “cartilage” or “grain.” In medical terms, the form indicates “cartilage” and in scientific terms, it refers to “grain” or “granular.” Chondro- ultimately comes from the Greek chóndros, meaning “cartilage” or “grain.”
What does the root word POIE -‘ mean?
(Greek: making, producing, creating, creative, forming, formation) In medical terminology, the “creation” or “production” of that which is named by the combining root.
What does an O mean in medical terms?
acous/o = auditory or hearing; -tic = pertaining to. The term Acoustic means “having to do with or pertaining to sound or hearing”.
What is the membranous labyrinth of the ear?
The membranous labyrinth is a continuous system of ducts filled with endolymph. It lies within the bony labyrinth, surrounded by perilymph. It is composed of the cochlear duct, three semi-circular ducts, saccule and the utricle. The cochlear duct is situated within the cochlea and is the organ of hearing.
What is the difference between the bony labyrinth and membrane Labyrinth?
The outer bony labyrinth has the same general shape as the inner membranous labyrinth and it surrounds the latter as an osseous capsule. The bony labyrinth can be divided into four areas: the vestibule, the semicircular canals, the cochlea, and the internal acoustic meatus.
What is the bony labyrinth made up of?
Bony labyrinth – consists of a series of bony cavities within the petrous part of the temporal bone. It is composed of the cochlea, vestibule and three semi-circular canals. All these structures are lined internally with periosteum and contain a fluid called perilymph. Membranous labyrinth – lies within the bony labyrinth.
How many membranous sacs are in the Labyrinth?
Within the vestibule, the membranous labyrinth does not quite preserve the form of the bony labyrinth, but consists of two membranous sacs, the utricle, and the saccule.