ch. 42-43 vocab
Terms
undefined, object
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- placenta
- a vascular organ that develops in females during pregnancy
- epinephrine
- a hormone that is released into the bloodstream in response to fear or injury
- ectoderm
- the outer germ layer where sense organs develope
- prostagilandins
- any group of potent hormonelike substences that are produced in carious mammalian tissues
- puberty
- the stage of adolesence in which and individual becomes physiologically capable of sexual reproduction
- gonad
- an ogran in animals that produces gamates especially a testis or ovary
- pituitary Gland
- a small oval endocrine gland attached to the base of the vertebrate brain and consisting of an anterior and a posterior lobe, the secretions of which control the other endocrine glands and influence growth, metabolism, maturation
- hypothylamus
- the part of the brain that lies below the thalamus, froming the major portion of the ventral region of the diencephalon and functioning to regulate body temperature, certain metabolic precesses, and other autonomic activities
- blastocyst
- the blastula of mamals
- uterus
- a hollow musculat organ located in the pelvic cavity of female mammals in which the fertilized egg implants and develops
- pancreas
- a long gland in vertebrates that secrates pancreatic juice into the duodenup and insulin, glucagon, and somatostain into the bloodstream
- ovulation
- a formation of ova or eggs in the ovary , and discharge of the same
- estrogens
- tablets
- thyroid
- a two lobed gland found in all vertebrates
- posterior
- located behind a part or toward the rear of a structure
- penis
- The male organ of copulation in higher vertebrates, homologous with the clitoris
- sperm
- a male gamate or reproductive cell
- fallopian tube
- either pair of slender ducts through which ova pass from the ovaries to the uterus in the female reproductive system of humans
- target cell
- a red blood cell having dark center surrounded by a light band that is it's self encircled by a darker ring
- anterior
- placed before or infront
- mesoderm
- the middle embryonic germ layer, lying between the ectoderm and the endoderm, from which connective tissue, muscle, bone, and the urogenital and circulatory systems develope
- negative feedback
- feedback that reduces the output of a system
- adrenal gland
- either of two small, dissimilarly shaped endocrine glands, one located above each kidnet, consisting of the cortex, which secretes several steroid hormones, and the medulla, which epinephrine
- insulin
- a polypeptide hormone secreted by the islets of langerhans and functioning in the regulation of the metabolism of carbohydrated and fats
- glands
- a cell, a group of cells , or an organ that produces a secretion for use elsewhere in the body or in a body cavity or for elimination from the body
- pituitary
- the pituitary gland
- gonads
- organs that produce gamates
- menstral cycle
- periodic series of changes in a female reproductive system
- semen
- contains spermatozoa and consists the secretions of the testes, seminal vesicles, prostate, and bulbourethral glands
- vasdefrens
- adherrant***
- hormones
- a substance produced by one tissue and conveyed by the bloodstream to another to effect growth or metabolism
- endocrine
- internal secreting
- embryo
- an organism in it's early stages of development
- fetus
- the unborn young of a viviparous vertebrate having basic structural resemblence to the adult animal
- exocrine
- secreting externally directly or through a duct
- zygote
- a cell formed by the union of two gamates, especially a fertilized ovum before cleavage
- ovum
- a female gamate: the egg cell
- testes
- the reproductive gland in the male vertebrate
- hypotholomous
- the part of the brain that lies below the thalamus, forming the major portion of the ventral region of the diencephalon and functioning to regulate body temp.
- seminal fluid
- in the male reproductive organs
- menstruation
- the process of discharging the menses
- cortex
- the outer layer of an internal organ or body structure, as of the kidney or adrenal gland
- androgens
- a steroid hormone, such as testosterone or androsterone, that controls the development and maintenance of masculine characteristics
- morula
- a mass of blastomeres formed before the blastula and resulting from cleavage of the fertalized ovum
- umbilical cord
- the flexible cordlike structure connecting a fetus at the abdomen with the placenta and containing two umbilical arteries and one vein, it transports nourishment
- vagina
- the passage leading from the ovening of the vulva to the cervix of the uterus in female mammals
- ovaries
- the female reproductive organ that produces ova
- epedymis
- part of the spermatic duct system that lies on the posterior aspect of each testicle, conecting it to the vas deferens
- parathyroid
- obtained from the parathyroid glands
- gastrulation
- the process of forming a gastrula