Medical definition of anterior commissure: a band of nerve fibers crossing from one side of the brain to the other just anterior to the third ventricle. Standard anatomical terms of location deal unambiguously with the anatomy of animals, including humans. Find another word for anterior. Medical Author: Melissa Conrad Stöppler, MD Chamber, anterior: The space in the eye that is behind the cornea and in front of the iris . While all these words mean "being before," anterior applies to position before or ahead of usually in space, sometimes in time or order. First, prefixes and suffixes, most of which are derived from ancient Greek or classical Latin, have a droppable -o-. Hormones secreted by the anterior pituitary influence growth, sexual development, skin pigmentation, thyroid function, and adrenocortical function. See more. This website is intended for language learning purposes. 12 synonyms of anterior from the Merriam-Webster Thesaurus, plus 16 related words, definitions, and antonyms. Free. Enrich your vocabulary with the English Definition dictionary Anterior is defined as something that is put in front of something. Medical Author: William C. Shiel Jr., MD, FACP, FACR; Posterior: The back or behind, as opposed to the anterior. ( an-tēr'ē-ŏr) [TA] In human anatomy, denoting the front surface of the body; often used to indicate the position of one structure relative to another, i.e., situated nearer the front part of the body. Anterior blepharitis affects the outside front of the eyelid, where the eyelashes are attached. In severe anterior displacement, when the anal opening is located < 10% of the distance from the vaginal fourchette to the coccyx, the anal sphincter muscle may not completely encircle the anal opening and severe obstipation similar to that seen in imperforate anus may occur. ©1996-2020 MedicineNet, Inc. All rights reserved. The worldwide poliomyelitis removal program via inoculation has become quite prosperous, by using poliomyelitis developing exclusively throughout Pakistan, Afghanistan, Nigeria, Somalia in addition to Kenya by July the year 2013. 2. Synonym (s): ventral (2) [TA] . or. Researchers found that patients who underwent direct anterior approach (DAA) total hip arthroplasty had objectively faster recovery than patients who had mini-posterior approach. Terms of Use. Blepharitis occurs in two forms, anterior and posterior. Noun 1. anterior naris - either one of the two external openings to the nasal cavity in the nose nostril nose, olfactory organ - the … They help to avoid any ambiguity that can arise when describing the location of structures. Medical definition of anterior fontanel: the fontanel occurring at the meeting point of the coronal and sagittal sutures. See additional information. https://medical-dictionary.thefreedictionary.com/anterior. Definition of Anterior Segment and Fundus Photography. adenohypophysis In turn, corticotropin-releasing hormone stimulates the release of corticotropin from the anterior pituitary. The cornea is the outer, transparent, dome-like structure that covers the iris, pupil, and the anterior chamber. 2. an abnormal channel or fistula, permitting escape of pus. The anterior surface of the heart is toward the breast bone (the sternum). Define anterior facial vein. Define anterior labial veins. Anterior is an adjective with the meanings: The front of a structure or organ; placed before or in front; directed toward the front. A tear may be partial or complete. Synonym: posterior intercostal artery See: aorta (Branches of aorta) for illus. Anterior is defined as something that is put in front of something. Medical Author: William C. Shiel Jr., MD, FACP, FACR; Posterior: The back or behind, as opposed to the anterior. 2. a. Define anterior naris. For a more complete listing of terms used in medicine for spatial orientation, please see the entry to … Definition and synonyms of anterior from the online English dictionary from Macmillan Education.. Definition of Anterior Segment and Fundus Photography. , plus 16 related words, definitions, and using anatomy posterior artery! Standard anatomical position with the English definition of anterior are antecedent, foregoing former., definitions, and using anatomy abnormal channel or fistula, permitting of. 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