allanto-, allant- +

Outdated, sausage poisoning due to botulism: In her biology class, Mildred learned about allantiasis, a very serious sickness caused by eating poorly cooked sausages.

Pertaining to the allantois: The allantoic sack, having various functions, develops in the alimentary canal in the embryos of reptiles, birds, and mammals.

Resembling a sausage; shaped like a sausage: Jane read about allantoid fungi spores that were long and had rounded ends, like a sausage.

An elongated bladder developing from the hindgut of the fetus in mammals, birds, and reptiles: In mammals, the allantois contributes to the development of the umbilicus and plancenta. In birds and reptiles, it provides for the exchange of gases through the shell.

A membranous sac in the embryos of mammals, birds, and reptiles: The allantois has various functions.

The fetal membrane was named by ancient anatomists from its form in a calf): The allantois is found only in mammals, birds, and reptiles, and lies between the amnion and chorion, and forms a means of communication between the fetal and maternal blood.

Regarding an embryo or organism with a large allantois: Sometimes there are cases of megallantoid embryos of mammals that have extremely large or remarkably developed embryonic membranes that are concerned with the action of respiration and excretion.

Characteristic of an organism or embryo witha small allantois: Mr. Smart told his students about certain animals possessing a micrallantoid sack-like fetal membrane in the embryo.

Pertaining to a part of a body organ that is behind the allantois: The postallantoic section of the intestine of the digestive tract develops following the formation of the allantois in a growing embryo