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In the embryo, most of the developing bones are initially formed from a flexible tissue called cartilage, specifically hyaline cartilage. This cartilage serves as a template that gradually ossifies, or hardens, into bone through a process called endochondral ossification. Some bones, such as those in the skull and clavicles, develop directly from mesenchymal tissue through intramembranous ossification. Overall, the transition from cartilage to bone is crucial for the proper formation and growth of the skeletal system.
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What are most developmental bones made of in the embryo?
Most developmental bones in the embryo are made of cartilage, which later ossifies (hardens) to form bone. This process is known as endochondral ossification.
The characteristic of a developing fetus are most influence by?
Gene combination and their expression in the embryo
What is the name of the germ layer between the outermost and inner most layer?
The middle germ layer is called mesoderm. It gives rise to structures like muscles, bones, and the circulatory system in the developing embryo.
What kind of tissue is the forerunner of flat bones in the embryo?
Hyaline cartilage is the forerunner of long bones in the embryo.
Why might seeds be an advantage to a plant?
Seeds provide nutrients and protection to a developing embryo when it is at its most fragile.
In most mammalian species which structure supplies food to the developing embryo?
The placenta is the part of the amniotic egg that supplies food to the developing animal. The yolk provides it with food, and the albumin supplies water and nutrients.The Yolk. Yolk is a sac that is attached to the embryo that supplies food.
Which most likely affected cell differentiation when the child a developing embryo?
Genetic factors inherited from the parents are most likely to affect cell differentiation in a developing embryo. Mutations or alterations in specific genes can impact the development and specialization of cells, ultimately influencing how different tissues and organs form during embryonic growth.
What are most of babys skeleton made up of?
Most of ab baby's bones are made up of cartilage that eventually hardens into bone
A child is born prematurely and experience severe asthma which most likely affected cells differentiation when the child was a developing embryo?
Carbon Monoxide
When would exposure to a potentially harmful substance be most likely to damage many organs in a developing embryo?
Exposure to a harmful substance during the first trimester of pregnancy is most likely to damage many organs in a developing embryo since this is the period when organs are forming. Any disruption during this critical period can have long-lasting effects on the overall development of the fetus.
What supplies food and oxygen for the developing embryo?
The developing embryo is nourished by the yolk sack until implantation. Upon implantation the placenta begins to develop, the placenta acts as the fetal lung , it transports oxygen to the fetus and carbon dioxide away from the fetus via the umbilical cord. The placenta also provides stored carbs for the developing fetus.
What structure makes nutrients most directly available to a human embryo?
The placenta is the structure that facilitates the transfer of nutrients directly from the mother to the human embryo during pregnancy. Through the umbilical cord, nutrients pass from the mother's bloodstream to the embryo's bloodstream, providing essential nourishment for the developing fetus.
