Search the Dictionary

An order of large mammal

A genus of mammals including the raccoon.

Standing before; -- applied to a gland which is found in the males of most mammals, and is situated at the neck of the bladder where this joins the urethra. -- n.

The fifth ventricle in the mammalian brain. See Ventricle. B. G. Wilder.

er plate of the pterygoid process of the human skull, but which, in all vertebrates below mammals, is not connected with the posterior nares, but serves to connect the palatine bones with the point of suspension of the lower jaw. -- Pterygoid process (Anat.), a process projecting downward from either side of the sphen…

eveloped in Northwestern New Mexico, along the Rio Puerco, and are characterized by their mammalian remains.

A nontoxic diamine, C4H12N2, formed in the putrefaction of the flesh of mammals and some other animals.

t.), a bone between the base of the lower jaw and the skull in most vertebrates below the mammals. In reptiles and birds it articulates the lower jaw with the skull; in mammals it is represented by the malleus or incus.

es (Anat.), two pairs of lobes, or elevations, on the dorsal side of the midbrain of most mammals; the optic lobes. The anterior pair are called the nates, and the posterior the testes.

An animal having four feet, as most mammals and reptiles; -- often restricted to the mammals.

The order or class to which a war vessel belongs, determined according to its size, armament, etc.; as, first rate, second rate, etc.

igor of heat] (Physiol.), a form of rigor mortis induced by heat, as when the muscle of a mammal is heated to about 50ºC. -- Rigor mortis ( Etym: [L. , rigor of death] , death stiffening; the rigidity of the muscles that occurs at death and lasts till decomposition sets in. It is due to the formation of myosin by the…

An order of mammals having two (rarely four) large incisor teeth in each jaw, distant from the molar teeth. The rats, squirrels, rabbits, marmots, and beavers belong to this order.

Sexual desire or oestrus of deer, cattle, and various other mammals; heat; also, the period during which the oestrus exists.

anous, bony or horny pieces which form the covering of many fishes and reptiles, and some mammals, belonging to the dermal part of the skeleton, or dermoskeleton. See Cycloid, Ctenoid, and Ganoid. Fish that, with their fins and shining scales, Glide under the green wave. Milton.

The principal bone of the shoulder girdle in mammals; the shoulder blade.

Any large marine mammal, as a seal, walrus, or cetacean.

Any aquatic carnivorous mammal of the families Phocidæ and Otariidæ.

mice, but they have a longer and more pointed nose. Some of them are the smallest of all mammals.

An order of large aquatic herbivorous mammals, including the manatee, dugong, rytina, and several fossil genera.