"Skull and teeth of Bennett's Kangaroo (Macropus bennettii). i1, i2, i3, first second and third upper…
"Skull and teeth of Gray's Rat Kangaroo (Bellongia grayii). c, upper canine tooth. i1, i2, i3, first,…
"The internal structure of the lion, except in slight details, resembles that of the other Felidae,…
An irregular saw-toothed or pinnately incised with the lobes or teeth hooked backwards.
"System of Wheels.—As the wheel and axle is only a modification of the simple lever, so a system…
"The piston rods are furnished with racks, or teeth, and are worked by the toothed wheel a, which is…
"A self-acting screw-cutting lathe with double-geared headstock, of a type now well established, the…
Vertical section of a tooth. 1: Enamel; 2: Dentine; 3: Pulp; 4: Blood-vessel; 5: Nerve; 6: Fibrous cement.
"Upper and lower teeth of one side of the mouth of a dolphin, as an example of homodont type of dentition.…
"Milkand permanent dentition of upper (I) and lower (II) jaw of the dog, with the symbols by which the…
"Skull of Hydropotes inermis (adult male), a deer without antlers, but with largely-developed upper…
"Upper Sectorial Teeth of Carnivora. I, Felis; II, Canis; III, Ursus, 1, anterior, 2, middle, and 3,…
"No part of the equatorial mounting is shown in the figure, as it resembles every respect that usual…
Caucasians typically have the lowest degree of projection of the alveolar bones which contain the teeth,…
Superior maxillary bone. With it's fellow on the opposite side, it forms the whole of the upper jaw.…
Inferior Maxillary Bone (lower jaw). It is the largest and strongest bone in the face and serves for…
The base of the skull. "The lower jaw has been removed. At the lower part of the figure is the hard…
Longitudinal section of a molar tooth. Labels: k, crown; n, neck; f, fangs; e, enamel; d, dentine; c,…
"The threads of the screw act upon the teeth cut into the wheel. As the screw turns, each thread catches…
Characteristics of the teeth. Teach tooth consists of a crown or body, projecting above the gum; root…
Structure of the teeth. A tooth consists of 3 structures, the dentine (2), or ivory, the proper dental…
Half of the teeth of the upper jaw. a,a, are the two front cutting teeth. d,d,d are…
Teeth of a carnivorous animal that lives on flesh alone. The front teeth are designed for tearing, while…
Jaws of a tiger, showing that when the jaws are closed the ends of the teeth do not press upon the ends…
Teeth of an herbivore, showing the rough surface of some of these teeth. Herbivores have no tearing…
Teeth of a frugivore (fruit-eating animal). Animals that live on soft fruits do not need such grinders…
The stomach of a grain-eating bird, which has a gizzard that functions to crush the seeds to pieces…
The bones of the top of the head are fastened together by what are called sutures which are locked together…
1. Dentition (teeth) of man. 2. Dentition of hyena. 3. Dentition of pig. 4. Dentition of Patagonian…
The temporary (baby) teeth. On the left are the teeth of the left side of the mouth viewed from the…
Temporary teeth in a child aged about 4 years. The permanent teeth are seen in the process of formation…
The base of the skull. The lower jaw has been removed. At the lower part of the figure is the hard palate…
Leaves - simple; alternate; edge with remote, very sharp spine-like teeth, with rounded spaces between.…
Leaves - simple; alternate; edge toothed (with the points of the teeth so incurved as to appear blunt),…
Leaves - simple; alternate; edge variable, either coarse-toothed or somewhat lobed; with the teeth or…
Leaves - simple; alternate; edge sharp-toothed with the teeth bristle-pointed and the hollows between…
Leaves - simple; alternate; edge sharp-toothed, with small and remote teeth. Outline - oval or egg-shape.…
Leaves - simple; alternate; edge sharp-toothed, with the teeth somewhat thickened. Outline - narrow…
Leaves - simple; alternate; edge sharp-toothed, with the teeth somewhat thickened. Outline - narrow…
Leaves - simple; alternate; edge strongly and somewhat unevenly toothed, the teeth thickened and their…
Leaves - simple; alternate; edge quite deeply wavy-toothed. Outline - reverse egg-shape or oval. Apex…
Leaves - simple; alternate; edge coarsely and evenly wavy-toothed. Outline - reverse egg-shape or sometimes…
Leaves - simple; alternate; edge lobed (the edges of the lobes mostly entire, but often with one to…
Leaves - simple; alternate; edge deeply lobed (edges of lobes mostly entire, but notched and toothed…
Leaves - simple; alternate; edge lobed (edge of the lobes mostly entire, but oftenest with a few teeth…
Leaves simple; alternate; edge lobed (edges of the lobes mostly entire, but slightly toothed toward…