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placenta

/pləˈsɛntə/

Meanings
noun
A vascular organ in mammals, except monotremes and marsupials, present only in the female during gestation. It supplies food and oxygen from the mother to the foetus, and passes back waste. It is implanted in the wall of the uterus and links to the foetus through the umbilical cord. It is expelled after birth.

Examples :

"The doctor examined the placenta after the baby was born to make sure it was healthy and complete. "
medicine physiology organ anatomy biology body human animal sex

Related Words

Illustration confirmed

confirmed verb

/kənˈfɜːmd/ /kənˈfɝmd/

To strengthen; to make firm or resolute.

"The teacher's encouraging words confirmed the student's resolve to study harder for the exam. "

Illustration including

including verb

/ɪnˈkluːdɪŋ/

To bring into a group, class, set, or total as a (new) part or member.

"I will purchase the vacation package if you will include car rental."

Illustration development

development noun

/dɪˈvɛləpmənt/

The process of developing; growth, directed change.

"The development of this story has been slow."

Illustration pregnancy

pregnancy noun

/ˈprɛɡnənsi/ /ˈprɛɡnənsɪ/

The condition of being pregnant.

"Maria's pregnancy was a happy surprise for her family. "

Illustration marsupials

marsupials noun

/mɑː.ˈsuː.pi.əlz/ /mɑɹ.ˈsu.pi.əlz/

A mammal of which the female has a pouch in which it rears its young, which are born immature, through early infancy, such as the kangaroo or koala, or else pouchless members of the Marsupialia like the shrew opossum.

"Many Australian animals, like kangaroos and koalas, are marsupials. "

Illustration gonadotropin

gonadotropin noun

/ˌɡoʊˌnædəˈtroʊpɪn/ /ˌɡɒnədoʊˈtroʊpɪn/

Any of a group of protein hormones secreted by gonadotrope cells of the pituitary gland of vertebrates.

"During puberty, a surge of gonadotropin signals the testes or ovaries to begin producing sex hormones. "

Illustration endocrine

endocrine noun

/ˈɛndə(ʊ)kɹaɪn/ /ˈɛnd.oʊ.kɹɪn/

The secretion of an endocrine gland.

"The endocrine system regulates many body functions, like growth and metabolism, through the secretion of hormones. "

Illustration monotremes

monotremes noun

/ˈmɒnəˌtriːmz/ /ˈmɑːnəˌtriːmz/

A mammal that lays eggs and has a single urogenital and digestive orifice. Only the echidnas and platypuses are included in this group

"In their biology class, the students learned that monotremes, such as echidnas and platypuses, are unique mammals because they lay eggs instead of giving birth to live young. "

Illustration gestation

gestation noun

/dʒesˈteɪʃən/

The period of time during which an infant animal or human physically develops inside the mother's body until it is born.

"The elephant's gestation period, lasting almost two years, is the longest of any mammal. "

Illustration flowering

flowering verb

/ˈflaʊərɪŋ/ /ˈflaʊərɪŋ/

To put forth blooms.

"This plant flowers in June."

Illustration implanted

implanted verb

/ɪmˈplæntɪd/ /ɪmˈplɑːntɪd/

To fix firmly or set securely or deeply.

"The doctor implanted a pacemaker to help regulate the patient's heartbeat. "

Illustration umbilical

umbilical noun

/ʌmbɪlˈaɪ.kəl/ /ʌmˈbɪl.ɪkəl/

A cord connecting an astronaut to a spacecraft, or a craft to ground control prior to launch, etc.

"Before launch, the spacecraft's umbilical provided power and data connections to ground control. "