A lot vs. Alot: 9 Grammatical Pitfalls
Baer (bâr), Karl Ernst von. 1792-1876.
Estonian-born German naturalist and pioneer embryologist who discovered (1827) the mammalian egg in the ovary. He later described the process by which the fertilized egg develops first into germ layers and then into different organs and tissues.
brainstem auditory evoked response