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Description: Keystone shape used as a symbol of the state of Pennsylvania. Date: 2009: Source: Vector file was created from scratch by User:AnonMoos; the shape was based loosely on that seen in File:Pennsylvania quarter, reverse side, 1999.jpg / File:Pennsylvania quarter, reverse side, 1999.png.
Glass frog. The glass frogs belong to the amphibian family Centrolenidae ( order Anura ), native to the Central American Rainforests. The general background coloration of most glass frogs is primarily lime green, the abdominal skin of some members of this family is transparent and translucent, giving the glass frog its common name.
Egg. Eggs of various birds, a reptile, various cartilaginous fish, a cuttlefish and various butterflies and moths. (Click on image for key) Diagram of a chicken egg in its ninth day. Membranes: allantois, chorion, amnion, and vitellus/yolk. An egg is an organic vessel grown by an animal to carry a possibly fertilized egg cell (a zygote) and to ...
Oval. An oval (from Latin ovum 'egg') is a closed curve in a plane which resembles the outline of an egg. The term is not very specific, but in some areas ( projective geometry, technical drawing, etc.) it is given a more precise definition, which may include either one or two axes of symmetry of an ellipse. In common English, the term is used ...
The eggs are oval-shaped, measuring 115–175 μm long and 45–47 μm wide, and ~150 μm diameter on average. They have pointed spines towards the broader base on one side, i.e. lateral spines. This is an important diagnostic tool because co-infection with S. haematobium (having a terminal-spined eggs) is common, and they are hard to ...
Salt is a mineral composed of sodium chloride, used in foods for flavor, baking, and curing purposes. "The biggest differences are in size, shape, and texture (of the crystals) which really ...
Yolk. The yolk of a chicken egg. Diagram of a fish egg; the yolk is the area marked 'C'. Among animals which produce eggs, the yolk ( / ˈjoʊk /; also known as the vitellus) is the nutrient -bearing portion of the egg whose primary function is to supply food for the development of the embryo. Some types of egg contain no yolk, for example ...
The large untidy shallow cup-shaped nest is built by both sexes but the female does most of the work. The eggs usually have a pale pink or white background with blotches of pale red mostly at the larger end. The clutch is usually 4 eggs and the average size of an eggs is 27.5 mm × 20.3 mm (1.08 in × 0.80 in).