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The testes of a fetal pig develop in the internal reproductive system. The reproductive system which has two scrotal sacs if the pig is old enough.

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What are the stages of direct development?

Direct development involves the embryo developing into a miniature version of the adult without going through a larval stage. The stages typically involve embryonic development, growth, and maturation directly into the adult form. No larval or intermediate stages are involved in direct development.


What is a determinate cleavage?

Determinate cleavage is a type of cleavage found in early embryonic development where the fate of each cell is fixed and determined early on. As cells divide, they become committed to specific developmental pathways, leading to the formation of distinct tissues and organs. This type of cleavage occurs in organisms with mosaic development.


What are the reproductive organs for a male frog?

Vasa Efferentia:connect the rete testis with the initial section of the epididymis.Cloacal: opening in the back of the frog that allows passage of sperms, eggs, and waste products.Bidder's Canal:Collecting Tubules:Urinogenital Duct:


What is the spermatogenesis of rat?

Spermatogenesis is the process in which male haploid germ cells are produced from diploid spematogonial stem cells by way of mitosis and meiosis . This occurs in the same way in rats in the seminiferous tubules boundaries of the testes.


How sperm cell form?

Sperm cells are produced in the testes through a process called spermatogenesis. Germ cells in the testes undergo meiosis to produce haploid sperm cells with half the number of chromosomes. These sperm cells then mature in the epididymis before being released during ejaculation.

Related Questions

At what stage of development does the nervous system begin to form?

The nervous system begins to form during the third week of embryonic development.


During embryonic development of animals tissue layers form This process of embryonic tissue development is called?

The process of embryonic tissue development where tissue layers form during animal development is called gastrulation. This process involves the rearrangement and differentiation of cells to create distinct layers that will give rise to different body structures and organs.


What is associated with pre-embryonic development?

Pre-embryonic development is associated with processes including fertilization, cleavage, and formation of the blastocyst. During this stage, the zygote undergoes division and differentiation to form the blastocyst that will later implant into the uterine wall for further development into an embryo.


Which are the two body cavities that form during embryonic development?

The two body cavities that form during embryonic development are the thoracic cavity, which houses the heart and lungs, and the abdominal cavity, which contains the digestive organs such as the liver, stomach, and intestines. These cavities provide protection and space for the developing organs.


The three primary germ layers that form during the embryonic development of mollusks are?

The three primary germ layers that form during the embryonic development of mollusks are the ectoderm, mesoderm, and endoderm. The ectoderm gives rise to the skin and nervous system, the mesoderm forms muscles and internal organs, while the endoderm forms the digestive tract.


What stage of embryonic development does differentiation begin?

Differentiation in embryonic development typically begins in the gastrulation stage. During gastrulation, the three germ layers (ectoderm, mesoderm, endoderm) form, and cells start to differentiate into specific cell types, laying the foundation for the development of various tissues and organs in the embryo.


Is chordata deuterostome or protostome?

Chordata is a deuterostome. During development, deuterostomes form the anus first and the mouth second, whereas in protostomes, it is the opposite. Chordates, including humans, exhibit this deuterostome characteristic during embryonic development.


Congenital septal defects are holes that form in the septum during the embryonic development of the heart---resulting in the abnormal flow of blood from?

the left side of the heart to the right


At what point in development does the nervous system begin to form?

The nervous system begins to form in the early stages of embryonic development, around the third week after conception.


Does the ectoderm form neural tissues?

The ectoderm nearest the embryonic midline - often described as the neuroectoderm - does form into the neural tube, the embryonic structure from which the nervous system develops. However, more lateral ectoderm matures into skin and associated tissues.


How do tissues form your heart?

During embryonic development, part of the mesoderm breaks away and starts to form the heart. The embryonic stem cells differentiate primarily into myocardial cells, with the endoderm forming the endocardium and valves and the ectoderm forming the pericardium and pericardial sac. The exact steps aren't well known - embryology has more questions than answers for human development at this time.


During embryonic development cells specialize to form what?

During embryonic development, cells specialize to form different types of tissues and organs in the body through a process called differentiation. This specialization allows cells to take on specific functions and roles, contributing to the overall structure and function of the organism. Differentiation is critical for the growth and development of a healthy, functioning organism.