| Mall's ridges | Rarely used eponym for pulmonary ridge's. (05 Mar 2000) |
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| pall-mall | A game formerly common in England, in which a wooden ball was driven with a mallet through an elevated hoop or ring of iron. The name was also given to the mallet used, to the place where the game was played, and to the street, in London, still called Pall Mall. Alternative forms: pail-mail and pell-mell. Origin: OF. Palemail, It. Pallamagio; palla a ball (of German origin, akin to E. Ball) + magio hammer, fr. L. Malleus. See lst Ball, and Mall a beetle. Source: Websters Dictionary (01 Mar 1998) |
| mall | 1. A large heavy wooden beetle; a mallet for driving anything with force; a maul. 2. A heavy blow. 3. An old game played with malls or mallets and balls. See Pall-mall. 4. A place where the game of mall was played. Hence: A public walk; a level shaded walk. "Part of the area was laid out in gravel walks, and planted with elms; and these convenient and frequented walks obtained the name of the City Mall." (Southey) Origin: OE. Malle, F. Mail, L. Malleus. Cf. Malleus. Source: Websters Dictionary (01 Mar 1998) |
| Mall's formula | A formula for determining the age (in days) of a human embryo; calculated as the square root of its length (measured from vertex to breech) in millimeters multiplied by 100. (05 Mar 2000) |
| periportal space of Mall | A tissue space between the limiting lamina and the portal canal in the liver. (05 Mar 2000) |
| bicipital ridges | crest of greater tubercle, crest of lesser tubercle |
| rete ridges | <dermatology, physiology> Downward thickening of the epidermis between the dermal papillae; peg is a misnomer because the dermal papillae are cylindrical but the epidermal thickening between papillae is not. Synonym: interpapillary ridges, rete pegs. (05 Mar 2000) |
| pulmonary ridges | A pair of ridge's overlying the common cardinal veins and bulging from the lateral body wall into the embryonic celom; so called because they give early indication of where the pleuropericardial folds will develop. (05 Mar 2000) |
| skin ridges | Ridges of the epidermis of the palms and soles, where the sweat pores open. Synonym: cristae cutis, skin ridges. (05 Mar 2000) |
| sphenoidal ridges | Sharp posterior margins of the lesser wings of the sphenoid bone which end medially in the anterior clinoid process; the sphenoidal ridges demarcate the anterior cranial fossa from the lateral part of the middle cranial fossa. (05 Mar 2000) |
| interpapillary ridges | <dermatology, physiology> Downward thickening of the epidermis between the dermal papillae; peg is a misnomer because the dermal papillae are cylindrical but the epidermal thickening between papillae is not. Synonym: interpapillary ridges, rete pegs. (05 Mar 2000) |
| epidermal ridges | Ridges of the epidermis of the palms and soles, where the sweat pores open. Synonym: cristae cutis, skin ridges. (05 Mar 2000) |
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