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| The human somatic (body) cell contains |
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| n is the fusion of male and female germ cells to form zygote |
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| The spermatozoa and ova, collectively called |
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| are required to have half as many chromosomes |
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| The process that produces germ is called |
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| are required to have half as many chromosomes |
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| the pigment cells of the skin |
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| , smooth muscle cells of the cardiovascular system |
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| hormone-secreting cells of the |
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| congenital disorders and diseases, which are collectively termed |
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| hair follicle is a multilayered region of the outer root sheath called the |
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| derived from mesoderm and is known as |
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| reflecting its origin from neuroectoderm. |
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| remains adjacent to the neural tube and notochord |
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| cavitates to form a space (coelom) |
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| the cavity lines the body wall and gut |
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| is relocated to a position on the dorsal wall of the coelom |
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| which gives origin to a segmented mass of muscle |
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| which eventually contributes to two adjacent vertebrae and their disks |
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| which gives rise to the connective tissue of the skin overlying the somite |
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| undergoes massive expansion to form the forebrain, midbrain, and hindbrain. |
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| eight bulges, known as ___ which play an important role in the development of the head |
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| infiltrate and push away the extraembryonic endodermal cells of the hypoblast |
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| extends forward from the primitive node |
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| develops as a thickening within the ectodermal layer at the rostral end of the embryo. |
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| delineate a deepening midline depression, the |
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| changes occur in the mesoderm adjacent to the tube and the notochord. |
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| this paraxial mesoderm breaks into segmented blocks called |
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| The fertilized egg initially undergoes a series of rapid divisions that lead to the formation of a ball of cells called the |
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| will be pushed to one pole because of fluid accumulation |
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| embryoblast differentiate into a two-layered disk called the |
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| is key in development from the initial axial (head-to-tail) specification of the embryo through its segmentation. |
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| contain a similar region of 180 nucleotide base pairs |
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| A growth factor produced by one cell and acting on another is described as |
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| The process of a cell that recaptures its own product is known |
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| describes the division of somatic cells |
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| Fertilization is the fusion of male and female germ cells to form |
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| n is the fusion of male and female germ cells to form zygote |
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| are required to have half as many chromosomes |
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| The spermatozoa and ova, collectively called |
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| Begins in puberty in males |
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| form the wall of the developing organism of periphery |
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| tall columnar cells, floor of the amniotic cavity |
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| small cuboidal cells, roof of the secondary yolk sac |
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| surrounded by flattened cells (Heusser’s membrane) |
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| formed by the accumulation of fluid |
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| boundary of primitive streak |
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| found on the surface of the ectoderm |
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| V shaped groove on the surface of the ectoderm |
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| Forms the wall of the conceptus; protective in nature |
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| segmented block of mesodermal cells |
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| a slight enlargement of the endodermal and ectodermal cells at the head (cephalic or rostral) end of the embryo (axis of the embryo) |
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| not embedded in any part (uterine wall) |
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| – contains the following enzyme: Hyaluronidase Acrosin |
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| 3-4 days after fertilization |
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| Inner covering which is thicker of the ovum |
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| Will release one ovum (settles in the distal part of the ampulla) |
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| opens into distal aspect to the ovary |
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| direct response to hormones produced by the ovary |
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| a direct response to pituitary gonadotropins |
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| restores proliferation of the uterine mucosa that was sloughed off as a result of menstruation |
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| is produced by trophoblastic cells maintains the function of the corpus luteum |
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| Hypothalamus - Produces hormones which is called |
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| If the 21st pair has a defect, it results into a |
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| DNA is first replicated during the |
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| dentinogenesis imperfecta |
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| an autosomal dominant genetic defect |
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| Follicle Simulating Hormone |
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Stimulates ovarian follicle to ripen and
produce its hormone |
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