The word "placental" is spelled with a "c" instead of a "s" because of its origin from the Latin word "placenta," meaning cake or flat cake. The sound of "c" in Latin was pronounced as [k], and when the word was adapted into English, the pronunciation remained the same. Therefore, the word "placental" is pronounced as /pləˈsɛntl/ in IPA phonetic transcription, with the stress on the second syllable. It refers to anything related to the placenta, a vital organ in the reproduction of mammals.
The term "placental" is used to describe something related to or associated with the placenta, which is a vital organ that develops during pregnancy in most mammalian species, including humans. The placenta serves as a link between the mother and the developing fetus, facilitating the exchange of nutrients, oxygen, and waste products.
In medical and biological contexts, "placental" refers to processes, structures, or characteristics specifically associated with the placenta. For example, "placental circulation" denotes the system of blood vessels that supply and circulate blood between the mother and fetus through the placenta. Similarly, "placental mammals" are a diverse group of animals that give birth to live young and nourish them through the placenta.
The term "placental" can also be used to describe certain diseases or conditions that affect the placenta. For instance, "placental abruption" refers to the premature detachment of the placenta from the uterine wall, which can lead to serious complications during pregnancy.
In a broader sense, "placental" can also be used metaphorically to describe something that resembles or is reminiscent of the functions or characteristics of a placenta. For example, "placental transfer" may be used to describe the efficient transfer or transmission of substances across a barrier or membrane in a non-biological context, such as in pharmacology or chemical engineering.
Relating to the placenta.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
• A mammal having a placenta.
• Pert. to the placenta.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "placental" is derived from the Latin word "placenta", which means "a cake". The Latin term was adopted from the Ancient Greek word "plákes", meaning "flat cake" or "plank". The term "placental" is used to describe mammals that have a specialized organ called the placenta, which provides nourishment and oxygen to the developing fetus during pregnancy.