a [per-ee-os-tee-uh]. It initiates the development of lateral roots and is also involved in secondary root growth. [New Latin, from Late Latin periosteon, from Greek, from periosteos, around the bone : peri-, peri- + osteon, bone; see ost- in Indo-European roots.] Peri-: Prefix meaning around or about, as in pericardial (around the heart) and periaortic lymph nodes (lymph nodes around the aorta). The periderm replaces the epidermis in plants that undergo secondary growth. An example of this was seen above in the term "pericarditis." Periosteum (peri-osteum): The periosteum is a dual-layered membrane that covers the outer surface of bones. physiology – physi/ology: the study of the functions of the body; poster – back part. When I look at a word in the medical parlance, my brain automatically breaks the word down into the component roots and the prefix/ suffix. ", ThoughtCo uses cookies to provide you with a great user experience. The good news: by learning these word elements, you can come to understand what anatomical words mean! Perinatal (peri-natal): Perinatal refers to the time period occurring around the time of birth. This period spans from about five months before birth to one month after birth. Perianth (peri-anth): The outer part of a flower that encloses its reproductive parts is called the perianth. The prefix (peri-) means around, near, surrounding, covering, or enclosing. word element [Gr. The parietal peritoneum lines the abdominal wall and the visceral peritoneum covers the abdominal organs. Periodontal disease, for example, is a disease of the gums that can range from minor gum inflammation to serious tissue damage and tooth loss. Pericardial fluid, which is located between the middle pericardial layer (parietal pericardium) and the innermost pericardial layer (visceral pericardium), helps to reduce friction between pericardial layers. Level. Peri-odontitis is a major public health problem due to its high prevalence, as well as because it may lead to tooth loss and disability, negatively affect chewing function and aesthetics, beasourceofsocialinequality,andimpairqualityoflife.Peri- Words starting with PERI: Find the complete word list here. Pericranium (peri-cranium): The pericranium is a membrane that covers the outer surface of the skull. It is derived from the Greek peri for about, near, or around. Peritoneum (peri-toneum): The dual-layered membrane lining of the abdomen that encases abdominal organs is known as the peritoneum. Spell. TABLE 1.3 Use of Prefixes Complete Word Prefix Meaning of Prefix Meaning of Word peri, 1. Combining Form. Perilymph (peri-lymph): Perilymph is the fluid between the membranous labyrinth and bony labyrinth of the inner ear. The root of a word is that part which contains the essential meaning of the word. Combining form meaning around, about, near. is included if sufficiently This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymology.There are a few rules when using medical roots. A list of words that start with Peri (words with the prefix Peri). 05/28/2010. https://medical-dictionary.thefreedictionary.com/peri-. The History of Medical Terminology The history of medical terms goes all the way back to the ancient Greeks, specifically Hippocrates. The prefix "para-" comes straight from … peri-. peri- [around] peristalsis: Wavelike ring of contraction that moves material along the alimentary canal. Science terminology is predominately based in the Latin and Greek languages. Note that -um is a suffix meaning structure. Perineum (peri-neum): The perineum is the area of the body located between the anus and genital organs. 346. The front of the body or body part. Cards Return to Set Details. Human Anatomy & Physiology: Latin and Greek Word-Part List (prefixes, suffixes, roots) Students of any biology course should learn to recognize the meaning of word parts as they often give clues to the meaning of a scientific term, function, or process. Depending on the fungal species, the peridium may be thin or thick with between one and two layers. CONTINUE SCROLLING OR CLICK HERE FOR RELATED SLIDESHOW. ence of periodontal pocketing and gingival bleeding. Perigee (peri-gee): The perigee is the point in the orbit of a body (moon or satellite) around the Earth where it is nearest to the center of the Earth. The ROOT-WORD is the Prefix PERI meaning AROUND. Pericardium (peri-cardium): The pericardium is the membranous sac that surrounds and protects the heart. Flashcards. An example of this was seen above in the term "pericarditis." 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