Feathers characterized by a vascularized calamus and usually incompletely developed vanes.
Related terms
I.U.
Commonly used symbol for the international unit; abbreviation of International U...
Ile
Symbol for the amino acid isoleucine.
In vitro
“In glass”; term for experimental extracorporeal observations (outside the livin...
In vivo
“In the living”; term for experimental observations in the living organism.
Inbred line
A group of individuals deliberately bred by inbreeding with a greater or lesser ...
Inbred line, inbredline
A group of individuals deliberately bred by inbreeding with a greater or lesser ...
