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A scalloped or "pattypan" variety of summer squash.

thout opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavaties or in the substance of an organ.

A nucleated cell having an envelope or cell wall, as a red blood corpuscle or an epithelial cell; a cell concerned in growth.

nucleus of a cell; the germinal or active spot of a cellule, through or in which cell development takes place.

Development of cells in animal and vegetable organisms. See Gemmation, Budding, Karyokinesis; also Cell development, under Cell.

Of or pertaining to cytogenesis or cell development.

Cell production or development; cytogenesis.

The fertilized egg cell or parent cell, from the development of which the child or other organism is formed. Hæckel.

e, or iodine and bromine, on which, after exposure in the camera, the latent image is developed by the vapor of mercury.

r; herpetic. Dartroud diathesis, A morbid condition of the system predisposing to the development of certain skin deseases, such as eczema, psoriasis, and pityriasis. Also called rheumic diathesis, and hipretism. Piffard.

to Darwin; as, the Darwinian theory, a theory of the manner and cause of the supposed development of living things from certain original forms or elements.

Pertaining to the Dasypædes; ptilopædic.

The division of Cephalopoda which includes the squids, cuttlefishes, and others having ten arms or tentacles; -- called also Decapoda. [Written also Decacera.] See Dibranchiata.

A division of the dibranchiate cephalopods including the cuttlefishes and squids. See Decacera.

The inner layer of the wall of the uterus, which envelops the embryo, forms a part of the placenta, and is discharged with it.

ing (Arch.), the molded finish of the edge of a deck, making the junction with the lower slope of the roof. -- Deck roof (Arch.), a nearly flat roof which is not surmounted by parapet walls. -- Deck transom (Shipbuilding), the transom into which the deck is framed. -- To clear the decks (Naut.), to remove every unne…

The act or the state of declining; declination; descent; slope. The declension of the land from that place to the sea. T. Burnet.

Declining; sloping.

Descending gradually; moderately steep; sloping; downhill.

Deviation from a horizontal line; gradual descent of surface; inclination downward; slope; -- opposed to acclivity, or ascent; the same slope, considered as descending, being a declivity, which, considered as ascending, is an acclivity.