The cyclic period of sexual activity in non-human female mammals is called
Menstruation
Luteinization
Oogenesis
Estrous
Which one of the following is the most widely accepted method of contraception in India, at present?
In early haemopoietic tissue of embryo, there is
Which of the following structure is found in blastula
The mammary glands are paired structures that contain the glandular tissue and variable amount of fat. The correct sequence of tissues involved in synthesis and flow of milk are
In spiral cleavage turn of spiral may be