| Term | Definition |
|
Mammary Gland |
Gland in mammals that produces milk to nourish the young |
|
Subcutaneous Fat |
Layer of fat cells beneath the skin |
|
Rumen |
Stomach chamber in cows & related animals in which newly swallowed plant food is stored & processed |
|
Diaphragm |
Large, flat muscle at the bottom of the chest cavity that helps with breathing |
|
Cerebral Cortex |
Outer layer of the cerebrum of a mammal's brain; center of thinking & other complex behaviors |
|
Monotreme |
Egg-laying mammal (example: Platypus) |
|
Marsupial |
Mammal which bears live young that complete their development in an external pouch (example: Kangaroo) |
|
Placenta |
Organ in placental mammals through which nutrients, oxygen, carbon dioxide, and wastes are exchanged between embryo & mother |
|
Binocular Vision |
Ability to merge visual images from both eyes, which provides depth perception & a 3-D view of the world |
|
Prosimian |
With few exceptions, small, nocturnal primate that has large eyes for seeing in the dark |
|
Anthropoid |
Humanlike primate |
|
Prehensile |
Term used to refer to a long tail that can grasp branches |
|
Hominoid |
Member of a group of primates that includes apes & humans |
|
Hominid |
Primate that walks upright, has opposable thumbs & possesses a large brain; only living members are humans |
|
Bipedal |
Term used to refer to 2-footed locomotion |
|
Opposable Thumb |
Thumb that enables grasping objects & using tools |