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Raphe (/ ˈ r eɪ f i / RAY-fee; from Ancient Greek: ῥαφή, romanized: rhaphḗ, lit. 'seam'; [ 1 ] pl. : raphae or raphes ) has several different meanings in science. In botany and planktology , it is commonly used when describing a seam or ridge on diatoms or seeds .
The perineal raphe is a visible line or ridge of tissue on the body that extends from the anus through the perineum to the scrotum (male) or the vulva (female). It is found in both males and females, arises from the fusion of the urogenital folds, and is visible running medial through anteroposterior, to the anus where it resolves in a small knot of skin of varying size.
The penile raphe is a visible line or ridge of tissue that runs on the ventral (urethral) side of the human penis beginning from the base of the shaft and ending in the prepuce between the penile frenulum. [1] [2] The line is typically darker than the rest of the shaft skin, even though its shape and pigmentation may vary greatly among males. [1]
The raphe nuclei (Greek: ... Anatomy . The raphe nuclei are traditionally considered to be the medial portion of the reticular formation, ...
The term median raphe can refer to one of four different anatomical structures: The pharyngeal raphe; The palatine raphe; The penile raphe; The perineal raphe, also known as the "median r. of perineum"
The pterygomandibular raphe is the common meeting point of the superior pharyngeal constrictor muscle and the buccinator muscle. This common attachment makes the raphe a junction of the oral cavity, oropharynx, and nasopharynx. [3] The inferior alveolar nerve passes lateral to the raphe; the raphe is therefore a landmark for a nerve block of ...
The perineal raphe is a small, vertical ridge of skin that expands from the anus and runs through the middle of the scrotum front to back. The scrotum is also a distention of the perineum and carries some abdominal tissues into its cavity including the testicular artery , testicular vein , and pampiniform plexus .
The raphe is a surface feature overlying - and indicating - the intermaxillary suture, and median palatine suture. [1]: 114-115 The greater palatine foramen may be palpated on either side about half way between the palatine raphe, and the palatal gingival margin of the 2nd or 3rd upper molar tooth.