perineal region

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a plane with more or less definite boundaries; called also regio. adj., adj re´gional.
abdominal r's the areas into which the anterior surface of the abdomen is divided, including the epigastric, hypochondriac (right and left), iliac (right and left), lumbar (right and left), hypogastric, and umbilical.
Nine abdominopelvic regions. From Applegate, 2000.
See illustration.
AN region the area of the heart where the atrial fibers merge with the atrioventricular node.
anal region the part of the perineal region that surrounds the anus.
axillary region the area of the upper chest surrounding the axilla, lateral to the pectoral region.
epigastric region the abdominal region that is superior and central in location, above the umbilical region and between the two hypochondriac regions.
facial region that comprising the various anatomical regions of the face, divided into buccal (side of oral cavity), infraorbital (below eye), mental (chin), nasal (nose), oral (lips), orbital (eye), parotid (angle of jaw), and zygomatic (cheek bone) regions.
H region the area of the bundle of His from its connection with the atrioventricular node to its branching portion.
homology r's looped structures, comprising approximately 100 amino acid residues and fastened by disulfide bonds, that show similarities in primary structure from one region to another. They represent the building blocks or units of immunoglobulin molecules.
hypochondriac region either of the abdominal regions that are in superior lateral locations, one on the left (left hypochondriac region) and one on the right (right hypochondriac region) of the epigastric region; called also hypochondrium.
hypogastric region suprapubic region.
I region that part of the major histocompatibility complex where immune response genes are present.
iliac region inguen.
inframammary region the part of the pectoral region inferior to the breast, bordered inferiorly by the hypochondriac region of the abdomen.
inguinal region inguen.
lateral region either of the abdominal regions that are in central lateral locations, one to the left (left lateral region) and one to the right (right lateral region) of the umbilical region; called also flank and lumbar region.
lateral pectoral region the most lateral part of the pectoral region, bounded laterally by the axillary region.
lumbar region
1. the region of the back lying lateral to the lumbar vertebrae. See also loin.
mammary region the part of the pectoral region surrounding the mammary gland.
N region [nodal region] the region of the atrioventricular node consisting of the body of the node.
NH region [nodal-His region] the area where the atrioventricular node becomes the bundle of His.
pectoral region the aspect of the chest overlying the pectoralis major muscle, subdivided into the lateral pectoral, mammary, and inframammary regions.
pelvic region suprapubic region.
perineal region the region underlying the pelvic outlet, subdivided into the anal and urogenital regions.
precordial region the part of the anterior surface of the body covering the heart and the pit of the stomach.
presternal region the region of the thorax overlying the sternum, bounded laterally by the pectoral regions.
pubic region suprapubic region.
suprapubic region the abdominal region that is inferior and central in location, below the umbilical region and between the two iliac(inguinal) regions; called also hypogastric or pelvic region.
umbilical region the abdominal region that is most central in location, surrounding the umbilicus; it is bounded laterally by the two lateral or lumbar regions, superiorly by the epigastric region, and inferiorly by the suprapubic or hypogastric region.
urogenital region the part of the perineal region that surrounds the external genital organs and the urethral orifice,
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

per·i·ne·al re·gion

the region at the lower end of the trunk, anterior to the sacral region and posterior to the pubic region between the thighs; it is divided into the anal triangle posteriorly and the urogenital triangle anteriorly.
Synonym(s): regio perinealis [TA]
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
of Patients Over the Neck 20 In the Axilla 9 Over the Chest/Abdominal Wall 5 Over the Back 5 Over the Extremities 5 Over the Perineal Region 4 Retroperitoneum 1 Floor of the Mouth 1 Total 50 Table 3: Showing Postoperative Complications Complication No.
In summary, perianal or perineal abscess is a common infectious disease, which can be compli- cated by acute necrotizing fasciitis in the perineal region, scrotum, and abdominal wall, leading to the development of FG, a rapid progressive disease with high mortality.
The PN travels into the perineal region via the lesser sciatic foramen, where it lies underneath the plane of the levator ani muscle.
She presented with a mass in the perineal region which was a Grade 2 Leiomyosarcoma.
Impar ganglion is the transaction point of sympathetic efferent, nociceptive afferents of perineal region. Blockage of this ganglion was first documented by Plancarte in 1990 through transanococcygeal ligament, and followed by reports of blockage through transsacrococcygeal, paramedian, paracoccygeal techniques.5 The transsacrococcygeal approach defined by Wemm,6 has become popular due to the ease of positioning the patient as well as the needle.
A 55 year male was admitted to our institution with complaints of pain and swelling in perineal region for 6 days and purulent discharge from the swelling for 2 days.
The commonest sites on skin are perineal region and base of tail followed by head, udder, prepuce and limbs (Sharma et al., 2010).
CASE REPORT: A 25 year old woman, presented with a complain of swelling in perineal region since 8-9 months.
Progressive infection of the skin and soft tissue may cause necrosis and defects over the scrotal and perineal region, sepsis or even death.6 The patient died due the sepsis and respiratory insufficiency.
A Dalmatian dog aged 9.5 years was presented with dysuria, constipation and swelling at left perineal region. The clinical examination included abdominal and rectal palpation which revealed slight pain during palapation and enlarged prostate (Fig.
CASE HISTORY: A 25 year old primipara presented to us with pain and swelling in the perineal region. She had progressive and cyclical pain coinciding with her menstruation.
Animals were prepared for surgery by proper cleaning of perineal region and manual removal of faeces from rectum.