ENDOCRINE SYSTEM Flashcards

1
Q

A small BEAN-SHAPED GLAND at the base of the brain, located in a bony cavity in the base of the skull – the sella turcica.

A

PITUITARY GLAND

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2
Q

pituitary gland is located in a bony cavity in the base of the skull called

A

SELLA TURCICA

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3
Q

_______ control the other endocrine glands and influence growth, metabolism, and maturation

A

SECRETIONS

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4
Q

pituitary gland is divided into:

A

ANTERIOR PITUITARY (adenohypophysis)
POSTERIOR PITUITARY (neurohypophysis or pars nervosa)

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5
Q

anterior pituitary

A

adenohypophysis

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6
Q

posterior pituitary

A

neurohypophysis or pars nervosa

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7
Q

a thin cell layer BETWEEN the PARS DISTALIS and the NEUROHYPOPHYSIS.

A

PARS INTERMEDIA

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8
Q

Thin zone of basophilic cells

A

PARS INTERMEDIA

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9
Q

pars intermedia is a thin zone of

A

basophilic cell

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10
Q

surrounds the NEURAL STALK.

A

PARS TUBERALIS

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11
Q

the pars tuberalis surrounds the

A

NEURAL STALK

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12
Q

Consist of basophilic secretory cells

A

PARS TUBERALIS

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13
Q

pars tuberalis consist of

A

BASOPHILIC SECRETORY CELLS

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14
Q

Consist of secretory cells called CHROMOPHILS (include acidophils and basophils) and CHROMOPHOBES

A

PARS DISTALIS

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15
Q

pars distalis Consist of secretory cells called

A

CHROMOPHILS & CHROMOPHOBES

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16
Q

secretory cells that include ACIDOPHILS and BASOPHILS

A

CHROMOPHILS

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17
Q

the LARGEST PART of the hypophysis.

A

PARS DISTALIS

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18
Q

pars distalis is the largest part of the

A

HYPOPHYSIS

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19
Q

located at the BASE OF HYPOTHALAMUS from which extends the pituitary stalk or infundibulum

A

MEDIAN EMINENCE

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20
Q

located the UNMYELINATED AXONS that extend from the neurons in the hypothalamus.

A

PITUITARY STALK / INFUNDIBULUM

21
Q

The LARGE PORTION of the neurohypophysis

A

PARS NERVOSA

22
Q

contains the unmyelinated axons of secretory hypothalamic neurons, their endings with hormones, and the supportive cells, called pituicytes.

A

PARS NERVOSA

23
Q

SUPPORTIVE CELLS that are located in the pars nervosa is called

A

PITUICYTES

24
Q

The hypothalamus’ main role is to keep the body in _____ as much as possible.

A

HOMEOSTASIS

25
Its main role is to keep the body in homeostasis as much as possible.
HYPOTHALAMUS
26
The hypothalamus sends signals to the _____ to release or inhibit pituitary hormone production.
PITUITARY
27
The hypothalamus sends signals to the pituitary to release or inhibit pituitary __________.
HORMONE PRODUCTION
28
The _________ sends signals to the pituitary to release or inhibit pituitary hormone production.
HYPOTHALAMUS
29
The hypothalamus acts as the ______ between the endocrine and nervous systems to achieve this. It plays a part in many essential functions of the body such as: body temperature , thirst, appetite and weight control, Emotions ,sleep cycles, sex drive, childbirth, blood pressure and heart rate, production of digestive juices balancing bodily fluids
CONNECTOR
30
The ________ acts as the connector between the endocrine and nervous systems to achieve this. It plays a part in many essential functions of the body such as: body temperature , thirst, appetite and weight control, Emotions ,sleep cycles, sex drive, childbirth, blood pressure and heart rate, production of digestive juices balancing bodily fluids
HYPOTHALAMUS
31
The hypothalamus acts as the connector between the ______ and ________ systems to achieve this. It plays a part in many essential functions of the body such as: body temperature , thirst, appetite and weight control, Emotions, sleep cycles, sex drive, childbirth, blood pressure and heart rate, production of digestive juices balancing bodily fluids
ENDOCRINE & NERVOUS
32
hormones produced by neurons in the hypothalamus directly influence and control the synthesis and release of how many specific hormones from the adenohypophysis
SIX SPECIFIC HORMONES
33
_____ are produced by neurons in the hypothalamus
RELEASING HORMONES
34
the releasing & inhibitory hormones secreted from the hypothalamic neurons are carried from the primary capillary plexus to the second capillary plexus in the adenohypophysis via the _________
HYPOPHYSEAL PORTAL SYSTEM
35
the _____ DOES NOT secret hormones
NEUROHYPOPHYSIS
36
the neurohypophysis stores and releases only TWO hormones:
OXYTOCIN & VASOPRESSIN
37
antidiuretic hormone or ADH
VASOPRESSIN
38
oxytocin & vasopressin are synthesized in the hypothalamus by the neurons in the ______ and ______
PARAVENTRICULAR NUCLEI & SUPRAOPTIC NUCLEI
39
oxytocin & vasopressin are transported along unmyelinated axons and stored in the axon terminals of the neurohypophysis as _______
HERRING BODIES
40
Herring bodies are visible with a ______ microscope
LIGHT MICROSCOPE
41
This hormone INCREASES WATR ABSORPTION into the blood by the kidneys.
Anti-diuretic hormone (ADH)
42
sends a message to the anterior pituitary gland to STIMULATE THE ADRENAL GLANDS to RELEASE CORTICOSTEROIDS, which help regulate metabolism and immune response
Corticotropin-releasing hormone (CRH)
43
help regulate metabolism and immune response
CORTICOSTEROIDS
44
timulates the anterior pituitary to release FOLLICLE STIMULATING HORMONE (FSH) and LUTEINIZING HORMONE (LH), which work together to ensure NORMAL FUNCTIONING of the OVARIES & TESTES
Gonadotropin-releasing hormone (GnRH)
45
GnRH stimulates the anterior pituitary to release what two hormones
FSH & LH
46
prompts the anterior pituitary to release growth hormone (GH)
Growth hormone-releasing hormone (GHRH) or growth hormone-inhibiting) hormone (GHIH
47
Growth hormone-releasing hormone (GHRH) or growth hormone-inhibiting) hormone (GHIH are also known as
SOMATOSTAIN
48