Term
| Growth, differentiation, pattern formation, and morphogenesis |
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Definition
| Four stages of development |
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Term
| Fertilization, cleavage, gastrulation, and organogenesis |
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Definition
| Four stages of embryonic development |
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Term
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Definition
| Body form is generated through the coordinated process of cell death (apoptosis) and cell division and differentiation. |
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Term
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Definition
| The fusion of male and female gametes resulting in the formation of a zygote. |
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Term
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Definition
| Eggs where the yolk is evenly distributed throughout (echinoderms). |
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Term
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Definition
| Eggs with yolk that is concentrated on one side (amphibians). |
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Term
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Definition
| The portion of the egg where most yolk is concentrated and appears less pigmented. |
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Term
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Definition
| The portion of the egg that contains less yolk and is darkly pigmented. |
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Term
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Definition
| Fluid filled cavity that separates the animal pole and vegetal pole. |
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Term
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Definition
| Structure that connects the blood stream of the fetus with that of the mother without truly mixing blood from the two sources. |
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Term
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Definition
| Immature larvae look and function very differently from the adult form (moths, butterflies, and frogs). |
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Term
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Definition
| Larvae are very similar in appearance to the adult form. |
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Term
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Definition
| Defines that antero-posterior axis of the embryo. |
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Term
| Sensory (afferent) neurons |
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Definition
| Receives information from the outside and integrates it in the brain. |
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Term
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Definition
| Regulates the musculoskeletal system after a signal is received from sensory (afferent) neurons. |
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Term
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Definition
| The most ancient component that evolved in primitive fishes; composed of the cerebellum, pons, and medulla oblongata. It is an extension of the spinal cord and is primarily devoted to coordinating motor functions. |
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Term
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Definition
| Serves as a relay station for the processing of auditory and visual information. The substantial nigra produces dopamine. Parkinson's disease. |
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Term
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Definition
| Part of the fore brain that is composed of the thalamus and hypothalamus. |
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Term
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Definition
| Serves as a relay center between incoming sensory information and the cerebrum. |
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Term
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Definition
| Regulates the secretions of the pituitary gland thereby regulating the endocrine system and hormones. |
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Term
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Definition
| The most anterior portion of the brain and in humans, the largest part of the brain. Responsible for higher cognitive functions. |
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