An organ that connects the developing fetus to the mother’s uterus, facilitating nutrient exchange, waste removal, and gas exchange.

Mammals that give birth to live young, with the fetus developing inside the mother’s uterus and receiving nutrients through a…

Tiny organisms that drift in the water column, forming the base of aquatic food chains.

A term referring to the flatness of the occipital bone in the skull, often used in the study of cranial…

A type of gamete that is capable of movement, typically found in some algae and fungi.

A type of white blood cell that produces antibodies as part of the immune response.

The outer membrane of a cell, made of a lipid bilayer, which controls the movement of substances in and out…

Small, circular pieces of DNA found in bacteria and some eukaryotes, which are separate from chromosomal DNA and often carry…

Microscopic channels that traverse plant cell walls, allowing communication and transport of materials between plant cells.

A genus of parasitic protozoa that cause malaria in humans and other animals, transmitted by mosquitoes.