Hormonas de la adenohipofisis Flashcards

1
Q

Hormonas de la adenohipofisis

A
Hormona de crecimineto
Prolactina
TSH
ACTH
LH
FSH
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Las células basofilas:
Les atrae lo…
Son células…

A

les atrae lo básico

son células ácidas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Las células acidofilas:
Les atrae lo…
Son células…

A

les atrae lo ácido

son células básicas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Estructura de la hormona de crecimiento, GH o somatotropina

A

Es una hormona polipeptidica, compuesta por 191 aa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Receptores de la GH

A

Ligados a enzimas

JAK quinasas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Secreción de la GH

A

Secretada por los somatotropos de la adenohipofisis

Produce de forma episodica

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Moleculas que estimulan GH

A

GNRH

Grelina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Moleculas que inhiben GH

A

GH
Somatoestatina
IGF-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

IGF-1

A

Factor de crecimiento similar a la insulina 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Funciones de la GH

A

Crecimiento- determinado por el desarrollo longitudinal de los huesos
Metabolismo- anabolismo y catabolismo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

La grelina se produce en ___ y estimula

A

ayuno

GH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Alteraciones de la GH

A

Exceso (gigantismo, acromegalia)

Deficiencia (Enanismo, Adultos- disminución masa muscular, densidad ósea, y alteración metabólica)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Síntesis de la prolactina

A

Hormona polipetidica de 199 aa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Receptores de la prolactina

A

ligados a enzima (JAK quinasas)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Secrecóin de la prolactina

A

Secretada por los lactotropos de la adenohipofisis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Factores liberadores de PRL

A

oxitocina, serotonina, vasopresina…

17
Q

Factores inhibidores de la PRL

A

Dopamina, GABA, acetilcolina

18
Q

Función de la PRL

A

Lactancia
Sistema inmune
Angiogénesis