region (redirected from facial region)

region /re·gion/ (re´jun) a plane area with more or less definite boundaries.re´gional

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regions of back  the areas into which the back is divided, including the vertebral, sacral, scapular, infrascapular, and lumbar.

facial region  that comprising the various anatomical regions of the face: 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.

homogeneously staining regions  (HSR) long unbanded regions of chromosomes created by gene amplification; they are tumor markers indicative of solid neoplasms with poor prognosis.

pectoral region  the aspect of the chest bounded by the pectoralis major muscle, and including the lateral pectoral, mammary, and inframammary regions.

perineal region  the region overlying the pelvic outlet, including the anal and genitourinary regions.

precordial region  the part of the anterior surface of the body covering the heart and the pit of the stomach.

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re·gion (rjn)

n.

1. An area of the body having natural or arbitrary boundaries.

2. A portion of the body having a special nervous or vascular supply.

3. A part of an organ with a special function.

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region,

n an anatomical section of the body defined by arbitrary, functional, or natural boundaries.

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region

a general term to designate certain areas on the surface of the body within certain defined boundaries.

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abdominal r's

nine arbitrary areas into which the ventral surface of the abdomen is divided, including the epigastric, right and left hypochondriac, umbilical, right and left lateral, pubic, right and left inguinal.

I region

that part of the major histocompatibility complex where immune response genes are present.

lumbar region

the region of the back lying lateral to the lumbar vertebrae.

perineal region

the region over the pelvic outlet, including the anal and urogenital regions.

precordial region

the part of the chest covering the heart.

pubic region

the middle portion of the most caudal region of the abdomen, located caudal to the umbilical region and between the inguinal regions.