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ARDMS- OB/GYN Exam Prep > The Fetal Head and Brain Vocabulary > Flashcards

The Fetal Head and Brain Vocabulary Flashcards

1
Q

An opening in a structure

A

Aperture

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2
Q

Nodular structures located along the falx cerebri that reabsorb cerebrospinal fluid into the venous system; also referred to as arachnoid villi

A

Arachnoid Granulations

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3
Q

The middle layer of the meninges

A

Arachnoid Membrane

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4
Q

The lower part of the brain composed of the pons, midbrain, and medulla oblongata

A

Brain Stem

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5
Q

A normal midline brain structure identified in the anterior portion of the brain between the frontal horns of the lateral ventricles

A

Cavum Septum Pellucidum

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6
Q

The ratio used for assessing fetal head shape

A

Cephalic Index

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7
Q

The portion of the cerebellum, located within the midline of the brain, that connects its two hemispheres

A

Cerebellar Vermis

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8
Q

The duct that connects the third ventricle of the brain to the fourth ventricle; also referred to as the aqueduct of Sylvius

A

Cerebral Aqueduct

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9
Q

Paired structures located anterior to the cerebral aqueduct

A

Cerebral Peduncles

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10
Q

The protective and nourishing fluid of the brain and spinal cord produced by the cells of the choriod plexus

A

Cerebrospinal Fluid

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11
Q

Specialized cells within the ventricular system responsible for cerebrospinal fluid production

A

Chorios Plexus

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12
Q

A prominent space within the skull that contains cerebrospinal fluid; a cistern that is created by the separation of the arachnoid membrane of the pia mater

A

Cistern

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13
Q

The largest cistern in the skull; located in the posterior portion of the skull

A

Cisterna Magna

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14
Q

A thick band of white matter that provides communication between the right and left halves of the brain

A

Corpus Callosum

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15
Q

Represents the biparietal diameter of a standard-shaped fetal head with the same cross-sectional area

A

Corrected-BPD

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16
Q

The premature closure of the cranial sutures with subsequent fusion of the cranial bones

A

Craniosynostosis

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17
Q

The dense, fibrous outer layer of the meninges

A

Dura Mater

18
Q

The lining of the ventricles within the brain

A

Ependyma

19
Q

The features or appearance of the face

A

Facies

20
Q

A double fold of dura mater located within the midline of the brain

A

Falx Cerebri

21
Q

A vitamin that has been shown to significantly reduce the likelihood of neural tube defects; also referred to as folic acid

A

Folate

22
Q

The opening in the base of the skull through which the spinal cord exists

A

Foramen Magnum

23
Q

A group of thin-walled blood vessels and cells within the subependymal layer of the fetal brain responsible for brain cell migration during fetal development

A

Germinal Matrix

24
Q

The largest part of the choroid plexus

A

Glomus

25
Q

Folds in the cerebral cortex

A

Gyri

26
Q

A shortage of oxygen or decreased oxygen in the blood

A

Hypoxia

27
Q

Groove within the midline of the brain that divides the two cerebral hemispheres

A

Interhemispheric Fissure

28
Q

The mass of tissue, located in the third ventricle within the midline of the brain, which connects the two lobes of the thalamus; also referred to as the massa intermedia

A

Interthalamic Adhesion

29
Q

The coverings of the brain and spinal cord

A

Meninges

30
Q

The primary brain vesicle also referred to as the midbrain; it eventually becomes the cerebral peduncles, quadrigeninal plate, and cerebral aqueduct

A

Mesencephalon

31
Q

Normal head shape

A

Mesocephalic

32
Q

The early embryologic structure that develops into the central nervous nervous system

A

Neural Plate

33
Q

Embryologic formation that results from fusion of the two folded ends of the neural plate

A

Neural Tube

34
Q

The functional part of an organ

A

Parenchyma

35
Q

The innermost layer of the meninges

A

Pia Mater

36
Q

The primary brain vesicle also referred to as the forebrain; it eventually becomes the lateral ventricles, cerebral hemispheres, third ventricle, thalamus, hypothalamus, pineal gland, pituitary gland

A

Prosencephalon

37
Q

The primary brain vesicle, also referred to as the hindbrain; it eventually becomes the cerebellum, pons, medulla oblongata, and fourth ventricle

A

Rhombencephalon

38
Q

An area located between the arachnoid membrane an d pia mater

A

Subarchnoid Space

39
Q

The area just beneath the ependymal lining the lateral ventricles

A

Subependymal Layer

40
Q

Grooves within the brain

A

Sulci

41
Q

A flexible, connective tissue that lies beneath the cranial bones

A

Suture

42
Q

A brain structure that allows communication between the senses; also performing many other functions

A

Thalamus

ARDMS- OB/GYN Exam Prep (34 decks)

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