Many of the scientific terms found in the abstracts, articles and lay translations presented on our site are included in this section. We are continually adding terminology found in both new and existing documents.
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1. A prefix denoting on this side, on the same side, on the near side.
2. In organic chemistry, having certain atoms or radicals on the same side.
3. In genetics, denoting two or more loci, especially pseudoalleles, occurring on the same chromosome of a homologous pair.
Hair follicle: one of the tubular invaginations of the epidermis that enclose the hairs, and from which the hairs grow. It is divided into upper and lower segments: the upper comprises the infundibulum, extending from the free surface to the sebaceous gland, and the isthmus, extending from the sebaceous gland to the arrector pili; the lower comprises the stem and the bulb. At the level of the stem, the hair cuticle is surrounded successively by the inner and outer root sheaths, which are enclosed by a dermal sheath.
1. A prefix denoting on this side, on the same side, on the near side.
2. In organic chemistry, having certain atoms or radicals on the same side.
3. In genetics, denoting two or more loci, especially pseudoalleles, occurring on the same chromosome of a homologous pair.
Cusp of tooth: an elevation or mound on the crown of a tooth making up part of the occlusal surface; called also dental cusp or dental tubercle.
Cystic duct: the passage connecting the neck of the gallbladder and the common bile duct; called also duct of gallbladder.
See cisplatin.
The posterior of the cusps of the right atrioventricular valve; called also posterior cusp of tricuspid valve.
Common hepatic duct: the duct which is formed by union of the right and left hepatic ducts, and in turn joins the cystic duct to form the common bile duct.
See cisplatin.
The posterior of the cusps of the left atrioventricular valve; the term is sometimes used to denote the entire three-scalloped region posterior to the anterior cusp of the mitral valve but at other times is restricted to the central scallop, with the two outer scallops called the cuspides commissurales. Called also posterior cusp of mitral valve.
Right hepatic duct: the duct that drains the right lobe and part of the caudate lobe of the liver.
A genus of bacteria of the family Bacillaceae, made up of obligate anaerobic or microaerophilic, gram-positive, spore-forming, rod-shaped bacilli, with spores of greater diameter than the vegetative cells. The spores may be central, terminal, or subterminal. Over one hundred species have been differentiated on the basis of physiology, morphology, and toxin formation; pathogenic species produce destructive exotoxins or enzymes. Different species are found in soil, in water, and in the intestinal tracts of humans and other animals.
The cusp of the right atrioventricular valve which is attached to the membranous interventricular septum; called also septal cusp of tricuspid valve.
Left hepatic duct: the duct that drains the left and quadrate lobes and part of the caudate lobe of the liver.
Microspora.
Basal decidua: the portion of the decidua directly underlying the chorionic vesicle and attached to the myometrium; called also decidua serotina and membrana serotina.
A small canal leading from the saccule to the cochlear duct; called also canalis reuniens, Hensens canal or duct, and Reicherts canal.
See under Coccidioides.
Decidua basalis.
Symbol for standard reduction potential.
A pathogenic genus of Fungi Imperfecti of the form-class Hyphomycetes, form-family Moniliaceae. In soil it grows as a mycelium with arthrospores; in tissue as a spherule with endospores. Coccidioides immitis causes coccidioidomycosis.
Genitive and plural of digitus.
Symbol for redox potential.
Vitreous body: the transparent gel that fills the inner portion of the eyeball between the lens and the retina; called also hyaloid body, humor cristallinus, and crystalline or vitreous humor.
Index finger.
See epithelium posterius corneae .
Cortex of adrenal or suprarenal gland: the outer, firm yellowish layer that comprises the larger part of the adrenal gland, consisting of the zona glomerulosa, the zona fasciculata, and the zona reticularis; it secretes, in response to release of corticotropin by the pulmonary gland, many steroid hormones. Called also "adrenal cortex" or "suprarenal cortex."
Digit: a finger or a toe; see also ossa digitorum manus and ossa digitorum pedis.
Epithelium posterius corneae.
Renal cortex: the outer part of the substance of the kidney, composed mainly of glomeruli and convoluted tubules.
See Streptococcus pneumoniae.
See epithelium posterius corneae.
Iliac crest: the thickened, expanded upper border of the ilium; called also crest of ilium .
See Meckel's diverticulum.
The outer epithelial layer of the cornea, consisting of stratified squamous epithelium continuous with that of the conjunctiva; called also anterior corneal epithelium, epithelium corneae, or corneal epithelium.
Former name for Histoplasma capsulatum.
Alveolar ductules: small passages connecting the respiratory bronchioles and the alveolar sacs. Called also "alveolar ducts."
See anterior corneal epithelium.
Commissural cusps: two small cusps that form the two outer of the three scallops constituting the posterior cusp of the mitral valve.
See ductus choledochus.
Posterior epithelium of cornea: The mesothelial layer covering the posterior surface of the posterior limiting lamina of the cornea; it was once believed to extend to the anterior surface of the stroma of the iris. Called also anterior endothelium of cornea, corneal endothelium, endothelium anterius corneae, endothelium corneale, and endothelium camerae anterioris bulbi.
The anterior of the cusps of the right atrioventricular valve; called also anterior cusp of tricuspid valve.
Choledochous duct: the duct formed by union of the common hepatic and the cystic ducts which empties into the duodenum at the major duodenal papilla, along with the pancreatic duct; called also biliary duct, common bile duct, ductus biliaris, hepatic funiculus, and hepatocystic duct.
1. Extremity: a general term denoting the distal or terminal portion of elongated or pointed structures.
2. Membrum.
The anterior of the cusps of the left atrioventricular valve; called also anterior cusp of mitral valve.
Cochlear duct: a spirally arranged membranous tube in the bony canal of the cochlea along its outer wall, lying between the scala tympani below and the scala vestibuli above; called also cochlear canal, membranous cochlea, scala media, and scala of Löwenberg.
Hair follicle: one of the tubular invaginations of the epidermis that enclose the hairs, and from which the hairs grow. It is divided into upper and lower segments: the upper comprises the infundibulum, extending from the free surface to the sebaceous gland, and the isthmus, extending from the sebaceous gland to the arrector pili; the lower comprises the stem and the bulb. At the level of the stem, the hair cuticle is surrounded successively by the inner and outer root sheaths, which are enclosed by a dermal sheath.