The fourth compartment of ruminant's stomach.
Tag Archives | Zoology
Termination of the pregnancy by removing a fetus or embryo from the uterus. It may happen spontaneously (then it is called miscarriage) or can be induced on purpose.
Phylum of parasitic worms. Their body is characterized by elongated appendage called proboscis, which they use to pierce and hold the gut wall of the hosts. They have complicated life cycle that involves at least two different hosts. Around 1150 species are described so far.
Taxon of arachnids which includes mites and ticks. They are extremely diverse and old group of organisms (fossil records date back from Devonian period). Acarina could be found in various habitats. Some forms are parasitic.
Any nerve, muscle or activating substance that accelerates the movement.
1. Eleventh cranial nerve which controls muscles of the shoulder and neck; 2. muscles of the shoulder girdle, chest wall, neck and abdomen, which assist other muscles.
Small mass of glandular tissue detached from a gland of similar structure and function. They can be found in reproductive system, near adreanal glands, in the intestine.
The small muscular sacs and accompanying veins in some insects that pump hemolymph into the wings.
An order that includes diurnal birds of prey such as hawks, eagles, vultures. They have hooked beak, long and broad wings, strong legs, sharp claws and an opposable hind claw. Almost all of them are carnivores.