An ovule is a structure in seed plants that develops into a seed after fertilization, while an ovum is a mature female reproductive cell in animals, capable of developing into a new organism upon fertilization.
In contrast, an egg is a more general term that can refer to the entire reproductive structure that contains the ovum, along with nutritive and protective layers, as seen in birds, reptiles, and some fish. 7 The ovum is typically a single cell, one of the largest in the female body, ...
Scanning electron microscopy of the perivitelline layer (PL) of a hen body cavity ovum revealed dispersed groups of atrophied granulosa cells. Those overlying the animal pole were flattened and had numerous ramifying processes which penetrated the porous ground substance of the PL. Alternatively, ...
16.1.1 Population Structure, Genetic Diversity, and Gene Flow The three sympatric killer whale ecotypes that occur in the eastern North Pacific are exceptional in their long-standing and steadfast ecological divergence and social segregation. Although killer whales as a species are generalist apex pred...
1.BotanyA structure in seed plants that consists of the embryo sac surrounded by the nucellus and one or two integuments and that develops into a seed after it is fertilized. 2.ZoologyA small or immature ovum. [New Latinōvulum, diminutive of Latinōvum,egg; seeawi-inIndo-European roots...
Women are born with all of the oocytes they will have for a lifetime. As this number continually decreases as a woman ages, it affects her fertility, the ability to get pregnant. Answer and Explanation: The difference between an ovum and an oocyte is that an ovu...
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1. a massive structure, esp. of stone, set up in the water, as for a breakwater or a pier. 2. an anchorage or harbor protected by such a structure. [1540–50; < Latin mōlēs mass, dam, mole] mole4 or mol (moʊl) n. the quantity of a substance the weight of which ...
Structure: Sperm are microscopic cells consisting of a head, midpiece, and tail. The head contains genetic material, the midpiece contains mitochondria for energy production, and the tail allows for motility. Mobility: Sperm are highly motile, using their tail to swim towards the ovum through va...