conceptus
Học thuậtThân thiện
Definition
- Noun:
- An animal organism in the early stages of growth and differentiation: This refers to the product of conception from the time of fertilization until it develops into a fetus. In higher life forms, this stage leads into fetal development, while in lower forms, it concludes when larval life begins.
Usage Examples
- Noun:
- The ultrasound allowed us to observe the early conceptus.
- Researchers are studying the implantation of the conceptus in the uterine wall.
Advanced Usage
- Scientific/Medical Context: The term is primarily used in formal, biological, embryological, and medical contexts to describe the developing organism before it is termed a fetus.
- The study focused on genetic abnormalities in the conceptus during the first trimester.
Variants and Related Words
- Embryo (n): An early stage of development of a multicellular organism. In humans, this term is often used for the conceptus from implantation until about the 8th week.
- Zygote (n): The initial cell formed when a sperm cell fertilizes an egg cell; this is the earliest stage of the conceptus.
- Fetus (n): The later stage of prenatal development in viviparous animals, following the embryonic period.
Synonyms
- Embryo: The developing young of an animal in the early stages.
- Fertilized egg: The cell resulting from fertilization, beginning the stage of the conceptus.
Related Phrases
- "Implantation of the conceptus": The process by which the conceptus attaches to the lining of the uterus.
- Successful pregnancy depends on the proper implantation of the conceptus.
Noun
- an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life