1. organ derivative of pointed? 2. primary vesicle of #1? 3. secondary vesicle from #2? 4. ventricle of #3? 5. outer layer of pointed? 6. organ derivative of #5? 7. inner layer of pointed in #5? 8. organ derivative of #7? 9. pointed structure? 10. fate of #9?

Q: Write notes on holometabolous development

A: Metamorphosis is the biological mechanism by which an animal physically develops after birth or…

Q: 27 28 26 25 29. 30. 24 31 23 32 22 33 34 20 P -w² 19 8 15 16 72hr chicken embr Transverse section…

A: Embryology is the branch of biology that studies embryogenesis, or the formation of an embryo out of…

Q: Discuss the process of gastrulation and embryonic folding?

A: Gastrulation is the process of cell relocation and distinction into three primary germ layers…

Q: List the four primary tissue types of the adult body and identify which of the three primary germ…

A: A tissue is defined as a group of cells which are having a similar structure and are organized to…

Q: D А- -E B- C- OALL

A: Structural changes occurs in different stages of chick embryo.The 72 hour chick embryo shows the…

Q: Give the origins and functions of the chorion, amnion, allantois, and yolk sac.

A: The extraembryonic membrane can be defined as the type of membrane which helps in the development of…

Q: List the effects of the LH surge on the egg

A: LH surge:                Luteinizing hormones (LH) is a inducer hormones secreted by pituitary gland…

Q: 8. Name the two indicated structures below the arrow, seen here in the PinuS ovule.

A: Plants are majorly divided into 2 types they are vascular plants and on vascular plants. Non…

Q: What structure provides oxygen to the growing organism? placenta uterine wall embryonic disk neural…

A: Fertilization is the process of fusion of male and female gametes that takes place inside the…

Q: Label the chicken embryo

A: Embryo It is defined as the stage of development which is found in sexually reproducing organisms.…

Q: Describe the three primary germ layers. Describe what body tissues will be derived from each layer.

A: During embryonic development, the initial zygote undergoes cleavage to form a morula and then a…

Q: Briefly describe viviparity and ovoviviparity and compare the embryo's source of nourishment, their…

A: There are  two different methods of fertilization of male and female gametes. It is external…

Q: Describe the major events that transform a fertilized egg into an embryo?

A: BASIC INFORMATION  FERTILIZATION  It is the process of the fusion of the male as well as the female…

Q: what will the plumule become after the embryo grows? what will the radicle become after the embryo…

A: After the seed receives the necessary conditions for growth such as water, oxygen, right…

Q: 1. pointed structure? 2. What is #1 it made up of? 3. pointed structure? 4. significance of #3? 5.…

A: 1) Ectoderm of head 2) Ectoderm is the layer of skull and it differentiates to form epithelial and…

Q: Briefly discuss avian early embryonic development, starting with fertilization and oviposition,…

A: Introduction  The life starts from single cell called Zygote. A zygote is formed by the fusion of…

Q: 1. 2. 5 6 7 8 (area?) 9 (area?) 10 (area where #H6 is formed)

A: Introduction :- Developmental biology is the branch of biology which deals with the different stages…

Q: Describe the development of the amnion, chorion, and allantois.

A: An extra-embryonic membrane is one of the layers which aid the development of the undeveloped…

Q: Identify the following structures: choose from : egg producing reproductive organs / fat bodies /…

A: The image above portrays various organs in the frog body. The picture shows the ventral view of the…

Q: How does the egg get from the ovary to a fallopian tube?

A: Reproduction is essential for the production of the healthy offspring and it is not necessary for…

Q: List and describe the phases of embryonic development; from a zygote through gastrulation.  What…

A: Reproduction is the process of the formation of offspring from their parents. There are two modes of…

Q: At what point in embryonic development does the gonadal ridge no longer exhibit bipotential

A: The gonadal ridge stops show double female or male reproductive organs development at a certain…

Q: Name the embryonic membranes and give the importance of each

A: Embryonic membranes are the membranes that lead to the development of the embryo in the mother's…

Q: What is the direction of the ovule in these figures?

A: The female reproductive cells of plants are ovule, which has 3 components-integuments, the nucleus,…

Q: Describe what happens during the first days of embryonic development from the first cell division…

A: Human embryo development occurs through cell division and the differentiation of cells. Human embryo…

Q: differentiate the frog testis and mammal testis.  Testis characteristics Frog Mammal 1.     2.

A: Although molecular clock dating suggests its break from other frogs dates back to the Permian, 265…

Q: 10. Draw and label a 14-day conceptus showing the chorionic sac, the chorionic cavity. Be sure and…

A: During the early stages of embryonic development, various structures and layers form within the…

Q: Define Preprophaseband

A: Mitosis is a process in the cell, where a single cell divides in two identical  daughter cells. The…

Q: List the organs the fertilized egg travels through on its journey to implantation (from the ovary to…

A: Ovaries are the  primary female sex organs that produces the female gamete and several steroid…

Q: Name the extraembryonic membranes and mention their functions.

A: Reproductive system is a body system which play important role in formation of sex cells , hormones…

Q: Define(a) Juvenile phase,(b) Reproductive phase,(c) Senescent phase.

A: In many animals, the life cycle of the organism may include many stages like the juvenile phase,…

Q: Define prepuce

A: The penis is an external male intromittent organ that also functions as a urinal duct. The base…

Q: Describe the events that occur following fertilization ofthe oocyte and the process of implantation…

A: The menstrual cycle of a woman repeats itself every 28 days and consists of four phases namely the…

Q: uss the role of the somites in developing a body pla

A: A body plan is defined as the basic shape of members of an animal phylum. In other words, we can say…

Q: Explaintheroleofmitosisin: (a) A developing embryo (b)Anadult:

A: An embryo is the early stage of the development of a multicellular organism. In organisms that…

Q: Define gastrulation and morphogenesis.

A: The development of a baby from the zygote during pregnancy involves several stages. It starts with…

Q: Compare and contrast the structures of the zygote, morula, and blastocyst.

A: After the egg cell's fusion with a sperm cell (that is, after fertilization), the diploid cell is…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.