Conglobate gland or phallic gland is found ventrally beneath to utricular gland in the sixth abdomenal segment of male cockroach. It is a sac lik, club shaped, accessory gland, opens out by a pore, situated vicinity to the genital pore.

What is the function of Conglobate gland in cockroach?

The conglobate gland of male cockroaches is a reproductive organ anatomically close to the accessory glands. From a functional point of view it has been postulated that the conglobate gland is involved in the formation of the spermatophore, although no clear demonstration of this role has been published so far.

Where are Spermatophores formed in cockroach?

Spermatophore: The sperms produced from testes, while the cockroach is still young, are brought by the vasa deferentia into the seminal vesicles for storage. The sperms in the seminal vesicles are glued together in the form of bundles called spermatophores.

Which of the following are found in mushroom-shaped gland of cockroach?

Mushroom gland or utricular gland is present at the junction of the vasa-deferentia and the ejaculatory duct lying in the 6th−7th abdominal segment. It is a part of male reproductive system of cockroach. It consists of long tubules, small tubules and seminal vesicles.

What is the function of collateral gland?

the function of collateral gland in cockroach is to open on the dorsal side of the genital chamber. The secretion produced by these glandsform the oothecal case of the ootheca.

In Cockroach, conglobate gland occurs in | 12 | ANIMAL TYPES | BIOLOGY | DINESH PUBLICATION | ...

21 related questions found

What is collateral gland in cockroach?

Abstract. The colleterial glands of insects are organs associated with the female genital apparatus. In cockroaches, these glands produce secretions that cover two parallel rows of eggs during oviposition, and in oviparous species, these secretions become the tanned, sculpted, rigid outer casing of the ootheca.

Is collateral gland paired in cockroach?

The female reproductive system in cockroaches consists of a pair of spermathecae and collateral glands that directly opens into the genital chamber. ... Collateral glands- They are unequal, paired tubular glands that open in the dorsum of the genital chamber just above the spermathecal aperture.

What is the name of mushroom gland in cockroach?

- The Phallic or conglobate gland present in the male cockroach secretes the outermost layer. It is present in between the ejaculatory duct and abdomen. It secretes the outermost layer. - Mushroom gland- It is also known as utricular gland.

In which abdominal segment is the characteristic mushroom shaped gland present in male cockroach?

A characteristic mushroom shaped gland is present in the 6th- 7th abdominal segments which functions as an accessory reproductive gland.

What are Alary muscles in cockroach?

Alary muscles in cockroach are associated or connected with Heart. These muscles are attached to both dorsal and tergum diaphragm. They are triangular in shape where in the pointed end is attached to the tergum and other end is attached to dorsal diaphragm.

Do cockroach have Salivary Glands?

The salivary glands of cockroach open on the Hypopharynx. It is a tongue-like structure and through which the salivary glands secrete saliva. Salivary glands are paired and white structures and are situated one on either side of the crop in the prothoracic region. It consists of several lobes of secretory acini.

Where are Sclerites present in cockroach?

Sclerites are present in all the body segments of cockroach. These are of two types Dorsalsclerites often known as tergites, and Ventral sclerites which are referred to as sternites.

What is Utricular gland?

The utricular gland is a large whitish gland which is made up of two kinds of glandular tubules. The peripheral, long, slender tubules utriculi majors, whose secretion also forms the covering of spermatophore. The central, short tubules, utriculi breviores, whose secretion nourishes the sperms.

Where is Conglobate found?

Conglobate gland or phallic gland is found ventrally beneath to utricular gland in the sixth abdomenal segment of male cockroach. It is a sac lik, club shaped, accessory gland, opens out by a pore, situated vicinity to the genital pore.

Where is stink gland found?

The arthrodial membrane between the 5th and 6th abdominal terga is depressed on either side to form a stink gland. The stink glands produce a secretion that gives a characteristic stinky smell.

Which of the following features helps distinguish forewings of cockroach from Hindwings?

The forewings are mesothoracic and are called wing covers or tegmina or elytra. These wings are anteriorly present. They cover the hindwings and are protective in function. These are dark stiff opaque and leathery.

Which gland function is an accessory reproductive gland in a male cockroach?

Complete step by step answer: Conglobate gland is found in the reproductive organs of a male cockroach. It is a broad, extended sac-like framework underneath the mushroom gland as well as the ejaculatory duct.

How many segments are in the abdominal of a male cockroach?

In a male and female cockroach, the abdomen consists of 10 segments. The cockroach body has a head, thorax, and abdominal region. Abdomen: In a male and female cockroach the abdomen consists of 10 segments.

Which of the following structure is present only in male cockroach?

Complete answer: The 9th sternum of the abdomen in male cockroaches, comprises of a pair of minor, unjointed anal styles and the 10th segment consists of elongated, anal cerci, and the sternum of mesothorax is not split. A pair of anal cerci are present in female cockroaches and have the presence of bifurcated sternum.

How many salivary glands are present in cockroach?

Hint: There are two salivary glands present in the cockroach. These salivary glands release their secretion with the help of a common duct, which opens at the base of the buccal cavity.

Is Spermatheca present in male cockroach?

A) 6th abdominal segment of male. Hint: The spermatheca is an ectodermal organ responsible for receiving, maintaining, and releasing sperm to fertilize eggs. ...

What is Vestibulum in cockroach?

Vestibulum: It is a space or cavity near the entrance of another structure. For example, vestibule of vagina is the space where both urethra and vagina opens. Gonapophyses: It is an organ present near the anus of female insects which helps in copulation, formation of ootheca and oviposition.

How many Gynovalvular plates are present in cockroach?

The 7th sternum of a female cockroach encloses a big space, called the oothecal chamber or gynovalvular plates where ootheca is formed. The 7th sternite is produced backwards into two large oval gynovalvular plates or apical lobes.

Which type of vision is found in cockroach?

Answer: The two types of vision in a cockroach are mosaic vision or apposition and superposition or dull vision.

How many Ovarioles are found in each ovary of cockroach?

In cockroach each ovary consists of eight ovarian tubules (ovarioles).