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In human fertilization, two 1n haploid cellsâan ovum (female gamete) and a sperm cell (male gamete)âcombine to form a single 2n diploid cell called the zygote.n fungi, the sexual fusion of haploid cells is called karyogamy. The result of karyogamy is a diploid cell called a zygote or zygospore. This cell may then enter meiosis or mitosis depending on the life cycle of the species.
The Zygomatic Bone. The zygomatic bone (also known as the zygoma) is one of the most irregular shaped bones of the skull. It consists of three different processes, varying in size and shape.Because the pair of them protrude laterally and form the eminences of the face (cheek bones), both are prone to fractures.he entire zygoma matures through a process known as intramembranous ossification. The second most common area of fracture in the face is the zygoma, especially the left frontal process of the zygomatic bone, e.g. due to the impact of a car accident or a blow from a fist.