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The outer layer of the blastoderm; the ectoderm. See Blastoderm, Delamination.

The epidermal cells of rootlets, specially adapted to absorb liquids. Goodale.

their ducts, blood vessels and lymphatics, serous cavities, etc. It often includes the epidermis (i. e., keratin-producing epithelial cells), and it is sometimes restricted to the alimentary canal, the glands and their appendages, -- the term endothelium being applied to the lining membrane of the blood vessels, lympha…

The alderman or chief officer of an ancient guild. [Obs.]

iles, and the shells or hardened integument of numerous invertebrates; external skeleton; dermoskeleton.

-- Father of the bar, the oldest practitioner at the bar. -- Fathers of the city, the aldermen. -- Father of the Faithful. (a) Abraham. Rom. iv. Gal. iii. 6-9. (b) Mohammed, or one of the sultans, his successors. -- Father of the house, the member of a legislative body who has had the longest continuous service. -…

One of the peculiar dermal appendages, of several kinds, belonging to birds, as contour feathers, quills, and down.

converted into vinegar or acetic acid by the agency of a specific fungus or ferment (Mycoderma aceti). The process involves two distinct reactions, in which the oxygen of the air is essential. An intermediate product, aldehyde, is formed in the first process. 1. C2H6O + O = H2O + C2H4O

) See under Adipose, a. -- Fin ray (Anat.), one of the hornlike, cartilaginous, or bony, dermal rods which form the skeleton of the fins of fishes. -- Fin whale (Zoöl.), a finback. -- Paired fins (Zoöl.), the pectoral and ventral fins, corresponding to the fore and hind legs of the higher animals. -- Unpaired, or M…

A process by which certain coral polyps, echinoderms, annelids, etc., spontaneously subdivide, each individual thus forming two or more new ones. See Strobilation.

A bat; -- called also flickermouse, flindermouse, and flintymouse.

Showing self-forgetfulness in surprise, astonishment, expectation, etc. With gaping wonderment had stared aghast. Byron.

That part of blastoderm where the hypoblast appears like a small disk on the inner face of the epibladst.

es between these two, is sometimes included. -- Germinal membrane. (Biol.) Same as Blastoderm. -- Germinal spot (Biol.), the nucleolus of the ovum. -- Germinal vesicle, (Biol.) , the nucleus of the ovum of animals.

A large tuberculated lizard (Heloderma suspectum) native of the dry plains of Arizona, New Mexico, etc. It is the only lizard known to have venomous teeth.

One of the pachyderms.

An outgrowth of the epidermis, consisting of one or of several cells, whether pointed, hooked, knobbed, or stellated. Internal hairs occur in the flower stalk of the yellow frog lily (Nuphar).

Alternating transparent and opaque white rings which are seen outside the blastoderm, on the surface of the developing egg of the hen and other birds.

Hindermost; -- superl. of Hind, a. [Obs.] Chaucer.

One of the classes of echinoderms.